large search – modified car audio

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outdoorspeaker – China Manufacturer
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Modified models: Audi

Modification requirements: to achieve the perfect sound field effects, crystal clear treble, tenor pure full, powerful bass, dive penetration.

Conversion costs: 40,000 yuan

Modification Location: Kunming, automotive supplies company JUVENIA

Conversion program: host using Sony\\ s new machine, the power of 52W × 4, which is to strengthen the speaker\\ s signal strength and sound reduction benefits are great, but the new machine uses several new technologies: DRIVE-S, BBE MP, S-MOSFET amplifier, dynamic Xiang panels, greatly improved sound clarity and quality. Audio part with Sony 10-disc DVD video system, the first sound field used by the U.S. to Fu X Series 6 sets speaker, to the enhanced sound field over the same period sound effects, in the back door panel fitted up fu X Series 6 sets speaker, so that the whole drive space full round sound quality, rich clear. Then, after the Audi car trunk, according to the professional audio design requirements, with a professional subwoofer accurate calculation formula the length, width, height and cubic volume, tailored to the blessing of the P series two bass cabinet, next to the blessing on the United States to install the 301X and the United States with excellent power amplifier power amplifier of a Thunder B2.4004, respectively speakers and two bass drive. The middle and two amplifier configuration modifications required of a professional car audio capacitor American Thunder LB10Y 1. The overall configuration of the bass part of the main highlights to the blessing of strong bass, so a good seal from the Alto car out of the trunk through the bass will be vigorous, strong, powerful. In addition, the conversion process to add the United States Thunder LBIC-5 5-meter signal line 3, the professional power cord, a number of professional speaker wire, insurance, switches and so on.

Modification effect: the conversion took 9 hours, the most critical is the tuning. Full installation, commissioning is completed, the entire sound of the flowing out of the notes and the power to shock people through the Qingche effect, to modify the desired effect.

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Just to the security doors fitted with two locks burglary, theft from the ceiling

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standard LCD module – China Manufacturer
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Early morning of November 5 last year, a Technology Development Co., Ltd. in Liangshan staff Ms Xu Peng received a master s telephone workers, factory office said she was stolen. Ms. Xu was wondering, long ago, the office also specifically to the anti-theft doors, the two locked it!

    Half an hour later, Ms. Xu rushed to the office, looked up and actually have a big hole in the ceiling, she immediately called the police.

    Ms. Xu inventory of office stolen things, there is important information that a desktop computer, together with the host, power lines are gone.

    Jiulongpo Public Security Bureau police investigators examine the scene initially, may be inferred in the White City station a long time, Liangshan people who commit crimes in the three young men. Soon, the police caught the incident on the night wandering in the company, flustered local Zhao, a few days later, Zhou also questioning the associates. Earlier this year, police are also Internet cafes, extended stay a few days later, the gang "creative staff" "Heiwa" Liu arrest.

    "Three Stooges" wanted "big business"

    Police found Tongnan Ryu this year it was 16 years old, junior high school graduates mingled after the main city to work, because skin is black, he claimed, "Heiwa" addicted to the Internet to play games all day.

    Money, when Ryu would steal some of pilfering copper scrap to sell, and he also knew of similar age, similar to the situation Zhou and Zhao.

    "Three Stooges" mixed together, they combined the development of "business", have a good point of life.

    Found that "weak link" is the ceiling

    Evening of November 4, Liu and Zhao stroll around the company to Ms. Xu, analysis can be "dry, one vote": Zhao is a local familiar faces, is responsible for lookout, Liu and Zhou responsible for the start.

    Liu said that usually they are Chuaimen or Fanchuang burglary, kick feet often hurt, the door is untouched, "But this time, we found a relatively low house edge, and from the wall you can jump to the roof. "

    Ryu in this building, two floors of the house only two found on the "weak link", Liu could not conceal their excitement, come see, this ceiling is a layer of sheet metal!

    Thus, Liu jump on the ground, he took two tiles from the street, and turned back to the roof, and Zhou with the pound ceiling. Soon, it smashed a hole in the ceiling.

    Wall was 40 yuan a lot to contribute to the never ending

    Liu and Zhou excited to jump into it, directly to the most prominent office location, including host and monitor cables are stolen out. Successful, they Hua Yan a computer repair shop to sell 600 yuan. Finally, as Liu and Zhou wall, never ending contribute more than 40 yuan Zhao multisection.

    Soon after, Zhou Zhao are captured, while Liu was playing a "latent", has wandered, no longer return to their temporary housing. But the police know that Liu has not changed is the Internet this hobby, there is no network he must endure a few days.

    Next, police Ryu "fixed" Internet cafes sit back and wait, and sure enough, Liu took the bait. Liu admitted that in his memory, the theft of at least 20 times successfully. Currently, Liu trio has been under criminal detention, the case is under further investigation.

 

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AMOLED smartphone sales to reach 169% of the explosive growth

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graphic LCD modules – China Manufacturer
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According to DisplaySearch2011 year is OLED (organic light-emitting diode) displays an important year, especially the development of AMOLED display panel. According to the latest quarterly NPDDisplaySearch and small and medium-size panel shipments forecast QuarterlySmall / MediumShipmentandForecastReport pointed out that with the strong growth of smartphones in 2011 AMOLED shipments expected to reach 90 million pieces, compared with 97% growth in 2010; while revenue is expected to rushed to 3.36 billion U.S. dollars, the annual growth rate of 169%.

    In the small and medium size (mean 9-inch and smaller panels) shows the market, AMOLED penetration rate has gradually improved. 2010 accounting for small and medium-size AMOLED active matrix flat panel display market, 6%, while in 2011 there will be twice the expected growth of 12%.

    Mainly from the growth of AMOLED smartphone. As the number of shipments increased screen size and performance improvements raised the average selling price (ASP), 2011 sales of smart phones panel also turned up more than twice.

AMOLED s success comes from large-size screen smart phone applications. Three quarters of 2011, 3.5 "AMOLED panel shipments reached more than 5.97 million, compared with 2010 growth of three times.

    "Samsung Mobile Display Department (SMD) is a major promoter of the growth of AMOLED, AMOLED panels for all its shipments accounted for 97.5%." NPDDisplaySearch HiroshiHayase small and medium size market research vice president said, "to see the growing market demand, LG display, AUO and CMO are planned in 2012 on shipments of AMOLED panels smart phone market. "

    Samsung Galaxy series smartphones as the AMOLED panel of early adopters, with high contrast and fast response time watch videos, high resolution with the Apple iPhone to compete with IPS LCD panel. These two brands also brings competition AMOLED high note for everyone, only Samsung Mobile Display the current production of the panel.

    NPDDisplaySearch latest release of the quarterly report on small and medium-size shipments and forecasts QuarterlySmall / MediumShipmentandForecastReport include the following:

    With the successful mass production of AMOLED and a new 5.5-generation line of advance, Samsung Mobile Display will produce larger AMOLED panel to provide, such as Samsung GalaxyNote and Tablet PC applications, and sales to customers outside of Samsung.

    AMOLED also penetrate into new markets, such as SonyPS-Vita with 5 "AMOLED handheld game; LG AMOLED display is a mobile phone panel to LG Electronics.
 

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sound bad installation Puguang Tai Sonata

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xlr stage box – China Manufacturer
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http://www.chinafuturesound.com/key-xlr-stage-box-27/

Owners: Mr. Wang

Model: Hyundai Sonata

car audio conversion project: the installation of a subwoofer.

Problem:

1 subwoofer directly connected to the common power supply circuit.

2, the bass line of control and power cathode connected together, when the key is unplugged, the subwoofer lights were still bright.

Hazard:

1, ordinary car stereo\\ s power cord is generally unable to meet the needs of car subwoofer, this link is easy to cause a short circuit, the light will accelerate the aging of the circuit, leaving for future long-term use of circuit problems.

2, low long-term cause and effect of electric gun is no problem in theory, but any electrical appliances are likely to random failure, once a serious problem affecting the power supply circuit, the car unattended, the problem can be thought of
With knowledge.

The right connection: exclusive use of car audio power cable, power lead from the battery. Within 30 cm away from the battery check access a waterproof fuse box. Power cable through the firewall should be reinforced insulation. In order to prevent aging of the power cord, power cord should be put on the whole line flame retardant snakeskin casing. Solder joints should be rinse process, associated with the battery or the power amplifier should be used when lines the nose.

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New lithium transformation iPhone 4 battery support one week

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electric bicycles – China Manufacturer
Thank you for inquiry my electric bicycles, Tel: 86-579-82176026, E-mail: sales@repow.com.cn
http://www.chinaripu.com/Electric-Bicycles/

After a sandwich and drilling process of new lithium ion battery, its storage capacity and speed than the original charge have increased 10-fold

Over the years, the battery has been the weak link in most consumer electronics. Smart phones, for example, although the technology with each passing day, the phone has can watch high-definition video, but can not see how long it will charge. Notebook PCs fitted with a dual-core, able to perform multiple tasks with ease, but as long as the full run hours, the internal battery will run out. We have experienced such embarrassment – waiting for important calls when the phone but no electricity; favorite songs is about to begin, iPod\\ s light is extinguished; doom went cafe, only to laptop charging. Thanks to a group of U.S. scientists have made breakthroughs, such as embarrassment will be less and less.

Focus on the source, clever use of sandwich

The research team from Northwestern University in Chicago, is the lead researcher of Chicago professor of chemical and biological engineering at Harold. Dr. Kung (Harold Kung). Dr. Kung and his colleagues announced that the battery by adding new material, they have let the battery charge storage capacity and higher speed. The recent \"Advanced Energy Materials\" (Advanced Energy Materials) magazine\\ s introduction of this innovative, write to Dr. Kung, who in the text for a detailed description of the new technology.

The study focused on lithium-ion battery. Most on the market today can charge devices are powered by lithium-ion battery, the current technical terms, it has two major flaws: First, the limited power supply, the second is charging slowly. Right now there are more and more consumers are using smart phones and tablet PCs for data-intensive operations, such as watching movies, playing games, Internet browsing, and more. Therefore, the battery performance will naturally become the focus of attention.

In order to improve power efficiency, manufacturers have their products on the move from the brain, for example, has just completed iPhone4S Apple software update to address the problem of excessive consumption; recent invention of the E-MiLi technology can prevent the phone Sleep mode, the search signal, thereby extending battery life; advent of a new silicon chip can double the efficiency of the processor, so that the device does not run out of battery in the premise of complete intensive operations; mobile phone manufacturers even developed a transparent solar screen film, so the smart phone charging in the sun.

More creative starting point is to improve the efficiency of electricity equipment; and Dr. Kung, who\\ s goal is to enhance the performance of the battery itself, from source to solve the problem of electricity shortage.

As the name suggests, contains an internal lithium-ion battery is lithium ion battery. Each piece of lithium-ion battery cathode are installed several layers called \"graphene\" materials, graphene is layer upon layer of carbon atoms, lithium ion is located between the carbon layers, when charging the battery or power, they from a carbon-carbon layer to another layer. Charge is sent to the lithium-ion battery cathode process, when all have arrived in the positive ion, battery is full. Put into use in the device when the lithium-ion batteries had begun to move to the negative, when they all arrived in the negative, the power will come running out.

Dr. Kung and his colleagues aim to increase the energy density of lithium-ion battery; In other words, how batteries store more energy, and how quickly the energy deposited out. They decided to change the internal structure of the battery positive start.

Lithium-ion battery inside the battery storage capacity is determined by the number of lithium ion. Graphene formed by the conventional lithium-ion batteries, every six carbon atoms can accommodate a lithium atom. In order to increase storage capacity, scientists have tried to replace the carbon with silicon; larger than the carbon capacity of silicon, each silicon atom can accommodate a four lithium atoms, so more good rechargeable batteries, but silicon also has its shortcomings, is in charge when the expansion and contraction, fragmentation occurs, so that the rapid loss of battery power.

To solve this dilemma, Dr. Kung and his colleagues think of the \"sandwich\" approach: they will be small silicon clusters sandwiched between two graphene middle. In the charge and discharge process, graphene and silicon clusters with expansion, contraction, but not so broken. As a result, not only to maintain stable form of silicon, the shuttle in the lithium-ion batteries to the greatest number. Dr. Kung told reporters: \"This is a long way to be the gathering of two, both with increased energy density of silicon, and silicon with the sandwich technique to reduce power losses caused by stretching.\"

Thus, the storage capacity of the problem can be satisfactorily resolved, then, how to make it charge faster? Over the years, lithium-ion battery charging efficiency has been constrained by the form of graphene: the battery in the graphene sheets are very thin, only one atom thick, compared to his size becomes very big. Charging, the lithium ion to be around in front of the graphene sheets in order to place it first moved out to the edge of graphene sheets, and then back to the middle of two graphene remain, this process takes a long, consuming weeks Zhang, leading to the edge of graphene sheets, with \\ traffic congestion. \"

For this reason, researchers naturally thought of ways to ease the traffic – has decided the time is lithium-ion rechargeable graphene layers in between speed, then why not open up a few shortcuts to these ions it? The use of chemical oxidation process, they drilled in graphene sheets hundreds of millions of small holes, each hole diameter in 10 to 20 nm. As a result, lithium-ion battery can more freely walk through the charging rate also increased.

After a sandwich and drilling process of lithium-ion battery, its storage capacity and speed to charge 10 times the original.

Drawback is limited, promising

Although the new technology of lithium ion batteries to fill the existing gaps, but it itself is not perfect – in charge 150 times, it\\ s storage capacity and the charging rate will dip. However, Dr. Kung shortcomings that limited fundamental, he said: \"Even after more than a year and 150 the use of the charge, the new battery on the market still higher than the efficiency of existing lithium-ion battery 5 times higher.\"

Since the papers published after the publication of the results, Dr. Kung has been busy reacting to venture firms and invitations. The industry can not wait to commercialize the results of the new battery into mass production. Scientists participated in the study that the new technology is not yet mature, production is now too early. They pointed out that the work completed to date has focused on the improvement of the battery cathode – also battery powered, the current into the battery which pole is now needed to continue to study the negative current flow, to further improve battery performance. Dr. Kung believes that if goes well, new products are expected in three to five years into the mall.

Once put into the market, it would be our daily lives be affected? The first is to make sure a variety of electronic products more durable, more efficient electricity to charge up. Future of smart phones as long as 15 minutes, sufficient power, but also continued to use a week\\ s time.

On the other hand, even if the battery is reduced to the size of the current 1 / 10, its performance can be maintained. Seen iPad or smart phones as long as the battery, the battery will understand hindering the miniaturization of electronic products, an important factor. Once the promotion of new technology, many products are expected to significantly reduce the volume, in time, laptop computers and hearing aids no longer need to carry heavy batteries which horizontal.

However, Dr. Kung is also brewing in the mind of a greater ideal. He hoped that this new type of rechargeable battery to its greater capacity, shorter charge time innovative electric drive car technology.

\"If you do not have electric drive cars ran every 60 miles (96.5 km) on one charge, but can series ran 600 km, then the electric car will be easy to use than it is now a lot of you do not fully charged at home again on the road, As long as gas stations pause in the middle, a 15-minute electric charge on the line. If you can do this, consumer acceptance of electric vehicles will reduce the resistance. \"

He also noted that high-quality battery electric vehicles can not only promote, but also solar and wind power generated by renewable resources such store. This will reduce human dependence on fossil fuels in reducing atmospheric carbon emissions, reduce dependence on imported oil.

\"With the easy way to store electricity, our power generation can be more dependent on those renewable resources.\" He such a prospect.

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China Taiwan industry to actively develop hardware market in India

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stainless steel eblow – China Manufacturer
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Indian market experts said recently that China Taiwan hardware industry in parts 15, 20 years ago, the situation is excellent, but have since the relocation of the upstream industry in recent years, the orders substantially reduced, metal parts industry can only be hard, but close to emerging economies body in India, as the basis of the industrial structure was incomplete, the rapid economic and industrial under the urgent need to supply a large number of hardware components, should be transferred into China Taiwan industry a good place.
According to reports, China Taiwan Representative Office in India Commerce Secretary Zhang Yulin economic group, said in the past in promoting Taiwan\\\\\\\\ s contribution to regional economic development of plastic spray molding products, screws, electrical switches, capacitors and motor

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Experts teach you to save money is the last word economical home improvement

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stainless steel tee – China Manufacturer
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Went to the decoration of the season, but in the process of renovation will be a lot more to this or that problem, so that consumers spend a great deal of heart. So in the end how to appear the least problems? In the home decoration, you must have a detailed plan, only step by step according to plan implementation, in order to minimize losses and improve the quality of decoration, following the author to a brief introduction about the renovation process in several important aspects of . (HC coating Editor: Paint the wall decorating material to occupy ratio is 54.16%, the cost of wall decoration is an important expenditure items)

    Home improvement principles: application, landscaping, economy;

    Home improvement ready:

1 preparation: the first response to his room carefully to understand the structure, measuring about the actual area and draw a detailed diagram. Mainly look at the specific layout (including a reasonable change of the original structure) and the total cost of renovation (including the price of materials and labor costs) can be decorating their house to have a general idea.

2, the capital reserve: In general, the total cost of decorating the house price should be 10% to 20%.

3, materials, budget and cost allocation: There is now in pursuit of comfort-oriented, and that a reasonable allocation of cost of materials ratio: 45% bathroom with Chu Fang, Department accounted for 35%, 20% of the bedroom.

4, time to prepare: the Bedroom, for example, in normal circumstances, the period of 30 days, as some count other factors, such as changes to the design and so on, up to 40 days.

5, the expertise to prepare: in the home before the renovation, the expertise to make certain savings.

6, the market research:

l. the investigation of basic price

Home decoration is an economic activity, the price is an important factor in the design, construction prices, we also need some basic understanding of the family, to be aware of when in the fitting operation can be comfortable with.

(2) investigation of market conditions

On the home improvement market a comprehensive understanding of the situation. , Should go to a professional organization, unit or organization to understand, such as Decoration Association, decoration service center.

3 choice of home improvement works

(1) directly to decoration team: this approach has some risks, mainly for construction units do not understand.

(2) to the home improvement market to find decorative team: a comparative way to save energy.

(3) to determine the construction team through an intermediary: intermediaries, there are two cases, one is described by friends and family, this method is exposed by the intermediary industry, the breadth, depth restrictions. Another is through the introduction of professional service organizations, introduced by the team should be safe and reliable.

(4) through the network to determine the construction team: This is a new way, the relative savings in money and time.

7 ways to save money:

1. Careful planning and design is the perfect way to save money first.

2. A "finishing touch" approach. Focus on the decoration of the place, the choice of high-grade materials, fine workmanship; other parts of the renovation to take simple, clean approach, materials Mandarin, work simplification.

3. Relying on the decoration is a shortcut to save money. Decoration companies in the selection of a fixed network, material prices; experience in construction, fine workmanship; services are complementary, quality assurance. Therefore, the best construction workers do not own directly with the surface to save money, the actual error may be because your choice resulting in greater economic losses.

4. Follow the rules, the better off budget accounts. Changes in the construction process will inevitably change, should refer to the original list of projects to do the process of record, in order to clean up the accounts for changes in the project.

Decoration five steps:

Develop programs, select grade: high, medium, low;

Planning and design, reasonable layout: Provide a list of items to be placed;

Understand the market, control prices: an overview of material prices;

Contract, each constraint: to avoid complaints;

Control contract, acceptance of project: identify problems, solve

Selection of home improvement how to choose?

All-round solution

● wood: 70% of households preferred timber is three: Ash, Meranti, Teak; 20% of households choose wood are: oak, beech, the pine; choice white pine and 10% of households Gason .

● wall decorating material: paint the top, accounting for 54.16%; wallpaper ranks second, accounting for 21.17%; other materials were as follows: PVC siding 9.47%, 5.79% plywood, plywood 5.55%, 3.86% tile.

● decorative line: 73.13% of the households selected molding; 18.34% of the households selected gypsum; 8.53% of the households choose plastic lines.

● the living room floor decorating material: 48.73% of households choose wood flooring; 25.06% of the households selected marble; 16.40% of the households selected tiles; 9.81% of the households choose granite.

● Solid wood flooring: 53.73% of the households selected ash; 24.56% of the households selected teak; choose oak, beech, maple, oak, no more than 8% of households.

● Kitchen cooking countertops: choose marble accounted for 60.36% of households; selected tile accounted for 18.74% of households; selection of stainless steel accounted for 14.84% of households.

● Tap: focus on style accounted for 30.30%; focus on the brand accounted for 21.50%; focus on product prices accounted for 10.93%.

● matching shower fittings: 40.7% of the households selected stainless steel tube; 32.94% of the households selected galvanized pipe; 16.5% of the households selected plastic tube; 9.85% of the households selected brass.

● Carpet: 55% of households choose wool carpets; 25.06% of the households selected acrylic carpet; 16.63% of the households selected cotton rugs; 3.33% of the households selected silk carpets.

● bathroom mirror: non-condensing mirror top, 63% of households choose it; suite bathroom mirror second with 21.30% of the households select it; 15.73% households in the general election edging mirror.

● wash basin, toilet bowl, bathtub three-piece: in these products, about 40.90% of the households in an acceptable price 1000-3000 yuan; 42.63% of the households in a 3000-5000 acceptable price; 9.46% of the households of more than 5,000 a acceptable price.

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Metering pump engineering requirements and implementation guidelines related to

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stainless steel tee – China Manufacturer
Thank you for inquiry my stainless steel tee, Tel:+86-577-85989898, Email:JD@CNJIEDE.CN
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1 range

    Provided that the engineering of industrial installations and its driving machine with a metering pump, auxiliary equipment, the minimum requirements.

    The engineering requirements for the performance of metering pumps, structural design, materials, driving machine, testing, labeling, packaging and purchasing regulated.

    2 standards, norms and regulations

    2.1 In addition to the engineering requirements, comply with the pump data sheet should be indicated on the Standard (latest edition), such as:

    GB9236 metering pump technical conditions;

    GB7783 metering pump test methods;

    API675 pumps (PositiveDisplacementPumps-ControlledVolume).

    2.2 When the engineering requirements and specified standards conflict, subject to the provisions of the engineering.

    At the same time the seller shall be in writing to clarify the discrepancies to the buyer, to remind the buyer s attention and resolve.

    3 General

    3.1 Unless otherwise specified, pump, drive machine and its auxiliary equipment shall specify the minimum and maximum outdoor ambient temperature for start-up and continuous operation. Continuous operation cycle should not be less than 8000 hours.

    3.2 untested prototype can not be accepted, and only production-proven pumps can accept. The so-called production-proven pump is operating in similar conditions at least two years experience of safe operation.

    3.3 Unless otherwise specified, Seller shall provide, including pump, coupling, driver and all auxiliary equipment including the pump unit, and to ensure the quality of the pump unit.

    3.4 Unless otherwise specified, pump, drive unit, coupling and guard, auxiliary equipment should be installed on the same base.

    4 Performance

    4.1 metering pump should be able to operate in the operating or non-state flow can be adjusted, the adjustment ratio of at least 10:1 (10% to 100% of rated flow range), and 25% to 100% range of the stability of metering pump of accuracy should be within ± 1%, linearity and reproducibility accuracy should be within ± 3%.

    4.2 scale or adjust the hand wheel adjustment scale accuracy of ± 0.1% should be higher than the accuracy of the instructions.

    4.3 The rated flow metering pump should be at least equal to the user s maximum (operating) flow of 110%.

4.4 Motor power rating should be at least equal to the maximum shaft power metering pumps (including gear box, coupling power loss) K times. K value given in the table to take.

    Maximum shaft power Pa (kW)

    Maximum shaft power Pa (kW) K

    Pa ≤ 3150%

    Pa ≤ 19125%

    19Pa> 55110%

    4.5 effective NPSH NPSHa and NPSH NPSHr should use the same datum. NPSHa and NPSHr difference is less than equal to 0.6m should be NPSH test.

    5 design

    5.1 Pressure parts

    5.1.1 The maximum outlet pressure of the pump allows the pump should be at least equal to 110% of rated outlet pressure.

    5.1.2 All pressure parts (including the impact of inlet pressure area) should be allowed maximum pumping temperature, outlet pressure design, by taking the material allowable stress values:

    Of domestic pumps, should not be greater than HG20531-93 (cast iron, cast steel containers) the maximum allowable stress values;

    On imported pumps, should not exceed ASMESectionVIII the maximum allowable stress values.

    5.2 Interface

    5.2.1 Unless otherwise provided in the data table, all interfaces are the flanges.

    5.2.2 Unless otherwise specified, the import and export of domestic pump connection flanges shall comply with the provisions of GB9112, import export pump connection flanges shall comply with the provisions of ANSIB16.1 and 16.5. Diameter or thickness greater than the above standard flange is allowed.

    5.2.3 Import and Export flange should take the same level of pressure flange.

    5.3 Pump

    5.3.1 Stuffing box packing rings should be provided in order to fill the wash or lubrication.

    5.3.2 shall ensure that the leakage of hydraulic fluid side packing do not enter the power end.

    5.4 Diaphragm

    5.4.1 Single or double diaphragm pumps diaphragm pumps diaphragm diaphragm should limit the first institution.

    5.4.2 Dual-diaphragm between the two diaphragms should be filled with inert liquid (and divide both sides of the process fluid, hydraulic oil mixture should not harm), and should have a probe, when the alarm time when the diaphragm rupture.

    5.5 Bearings

    Bearings should be a standard form, shall not be used to develop their own manufacturing non-standard bearings.

    5.6 buffer

    If the data specified on the table, the import and export buffer provided by the seller, buyer and seller of its type by mutual agreement.

    5.7 safety valve

    5.7.1 Oil chamber diaphragm valve should be able to automatically reset and the adjustment, maintenance, replacement easy, and its set pressure metering pump should be at least 110% of rated pressure.

    5.7.2 If the data specified on the table, the external piston pump with safety valve provided by the seller.

    5.8 auxiliary piping

    5.8.1 If you need lubrication, cooling and seal flushing pipe system, the seller shall provide and install the pump and (or) base.

    5.8.2 All piping system, pipe, fittings, etc. should not be less than 1 / 2 inch (13mm), the wall thickness of not less than 1.6mm (1 / 16 inch).

    5.8.3 Unless otherwise specified ,1-1 / 4 (32mm) ,3-1 / 2 (90mm), 7 (175mm), 9 (225mm) inches of the tube can not be used.

6 Material

    6.1 Materials determined by the buyer to fill in the pump data sheet. If the seller is more appropriate that the other materials, may make a written report, but whether to adopt the required confirmation of the buyer.

    6.2 Unless otherwise specified, carbon steel, low alloy steel corrosion allowance to take 3mm, high alloy steel to take 0mm.

    6.3 Do not use materials containing asbestos fibers.

    6.4 transport of organic solvents, the rubber material is strictly prohibited.

    6.5 transport flammable or toxic media pressure can not use cast iron parts.

    6.6 In addition to austenitic stainless steel, when the medium or ambient temperature ≤ -20 ℃, the Seller shall base metal and welded joints for V-impact test.

    7 workshop test

    7.1 Workshop pilot project see pump data sheet.

    Hydrostatic test pressure shall be 7.2 maximum allowable working pressure of 1.5 times, but not less than 0.14MPaG.

    Stability of the accuracy test is mandatory, its accuracy should be within ± 1%, reproducibility and linearity test accuracy test is optional, its accuracy should be within ± 3%.

    7.3 pairs specified by the purchaser to be the scene witnessed inspection or test items, the seller to determine the test should be at least twenty days after the date of notification the buyer to the buyer in time to participate.

    7.4 Non-witnessed test results should be recorded and sent to the buyer s approval.

    8 painting, marking, packaging

    8.1 Painting

    8.1.1 should be removed before painting all the dust, rust, oil and other attachments.

    8.1.2 Equipment shall be the buyer finish requirements.

    8.2 mark

    8.2.1 Application of 18-8 pump made of stainless steel plate, and secured a prominent place in the pump.

    8.2.2 The plate should include:

    a. bit number;

    b. the device name / device name;

    c. the seller (manufacturer) name and trademarks;

    d. pump type and name;

    e. The main parameters of the pump, including the rated flow rate (l / h), allowing the maximum outlet pressure (MPaG), safety valve set pressure MPaG, shaft power (kW), and pump weight (kg), etc.;

    f. pump serial number and date.

    8.3 import and export of pumps should be set metal sealing plate, and with rubber pads and at least four bolts.

    8.4 pump and auxiliary piping (including the driver and auxiliary equipment) should be able to ensure that the packaging of the product is not damaged during transport, loss, and should be suitable for outdoor placement and storage time should be able to guarantee open at least six months.

9 files, drawings

    9.1 Vendor Quote

    Seller s offer should include the following information:

    a. buyer data sheet, completed by the seller which the seller of data;

    b. Initial dimensional drawing, piping layout;

    c. of water, electricity, steam and other utility requirements;

    d. The typical profile of the pump;

    e. Recommended spare parts list;

    f. whether the strict implementation of the pump unit the specific instructions. If the pump unit is not in strict compliance with the instructions, the seller shall submit a detailed explanation of each of the specific list of discrepancies.

    9.2 Contract Data

    9.2.1 The seller must be identified on the purchase order to provide time for the file, type, number of copies sent to the address indicated on the order.

    9.2.2 The following shall be marked on each page of the document:

    a. the buyer (user) Company name;

    b. project number;

    c. Purchase order number or file number;

    d. pump-bit number;

    e. Purchase Order to comply with any other representation.

    9.2.3 The seller shall provide at least the following documents:

    a. file directory list;

    b. Pump Data Sheet (for manufacturing);

    c. stability of the accuracy test report;

    d. dimensions and layout (including basic data, the main import and export over the location, size and pressure rating, the motor terminal box position, import and export pipeline allowable external forces and moments, etc.);

    e. Auxiliary piping layout and take over the table (which can also be in the dimensional drawings on that);

    f. pump profile and materials containing the name of the component parts table column;

    g. seal profile and related parts and materials containing a list of names of parts;

    h. spare parts inventory;

    i. lubricating oil, hydraulic oil inventory;

    j. auxiliary device data sheet (if required);

    k. installation, maintenance, operating instructions.

    9.2.4 If the buyer requires the seller to the buyer shall provide the following reports and records:

    a. material test reports;

    b. reproducibility, precision, linearity test report;

    c. plant test data records;

    e. Other requirements of the test report.

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long-term high-temperature steel performance measurement?

Web Design And Seo For www.china-webdesign.com
valve castings – China Manufacturer
Thank you for inquiry my valve castings, Tel:0086-574-27851019 E-MAIL:thomas@steel-casting-forging.com
http://www.steel-casting-forging.com/valve-casting/

(1) Determination of high temperature creep
The force of long steel in the state, even if the stress is less than its yield strength, and with time will slow plastic

deformation, a phenomenon known as creep. When the temperature exceeds the recrystallization temperature of steel is particularly

significant. For high temperature and pressure conditions of operation of equipment such as turbines and boilers and other steel

materials used to improve the creep resistance, ie creep strength and rupture strength, etc. is particularly important.
At a given temperature and a given load capacity extension, the material stress suffered less than its yield strength, elongation

of the specimen with the case of the slow loading time that creep curves, can be divided into three parts: beginning, Creep

elongation rate of growth over time and gradually reduced, which is the first phase of creep; then reached a constant value for

the two creep; finally breaking the sample rapidly increased to, for the third period of creep.
(2) Determination of creep properties
Purpose is to test a steel at different temperatures measured creep strength, in fact, mapping at different temperatures and

stress creep curves, to determine the temperature and stress on the deformation and deformation rate of the impact of changes

over time. Test is a long-term work, the time required for the thousands of hours and even tens of thousands of hours, the total

deformation was measured to a few thousandths of a few per cent per hour minimum deformation (10-6–10– 4)%.
1) Sampling, sample preparation the sample should be the national standard GB2039-80 or the relevant provisions of the technical

conditions, but should consider some of the factors affecting the test, such as specimen shape and size, the test furnace and

temperature control for test elongation of instrument types.
2) Test Equipment creep testing machine a wide range of their request by the Ministry of Metallurgical Industry and the Ministry

of Machinery Industry instrumentation are detailed provisions in professional standards. The main number is:

    Test machine load at maximum load of 5% or more, the deviation of not greater than plus or minus 1%, and should remain

constant during the test, the load should be evenly applied or removable, smooth, no vibration.
    Increase in the eccentricity of the load on the specimen should not exceed 15%; test machine should be a device, it is not

due to the elongation of the specimen and reduce the load test machine accuracy and increase the sample load eccentricity.
    Test machine should be installed on a solid basis of vibration in a horizontal position. The temperature of the test machine

should be kept constant, the general provisions of 20 ± 5 ℃. Connected to the power supply voltage on the test machine should

be stable and uninterrupted.
    Sample standard furnace should be kept away from the part of the specimen is heated evenly, and should have automatic

temperature control equipment, the test specimen in the long process of keeping within the permissible range. Should preferably

be fitted with devices that automatically record the sample temperature.

3) The test procedure during the test to maintain constant temperature and stress. As the test progresses, the gradual elongation

of the specimen, a stretch measuring time intervals, making elongation e and time t curve. Determine the total elongation and the

second phase of the residual elongation or creep speed.
Creep test test high precision, and require long-term reliability. The second stage creep rate measured per hour when the sample

is small relative deformation to 1 * 10-7 per cent. In order to test data and a standard of comparability, the creep test must

meet the above requirements on the testing machine, according to the international GB2039-80 method.
The shorter the test the first time creep strength, generally obtained by interpolation, and the following two Reform:

    Depending on the test specimen under the provisions of sharp force elongation at time t, to stress – elongation curve.
    Specimens at different stress according to the required testing time required for elongation, to stress-time curve.

(3) lasting performance measurement
Persistence test is to determine the material at a given temperature for a given time by breaking strength, this strength is

called the lasting strength. Also known as persistent breaking strength. And creep tests it is not measured on different material

creep. Required only at a given temperature and by breaking a certain time can withstand the maximum stress. This data is mainly

used to design some of the high temperature operation only requires the state to withstand a given stress life without having to

consider the deformation of the parts.
1) The test equipment can test lasting creep test machine. The difference is the test temperature is higher, the larger the load,

the test cycle is shorter. For these reasons, persistent test is best to use dedicated test machine.
2) sample and test process and results of the collation used by the sustainable performance test and creep test specimens used in

the same sample.
Lasting process of performance measurement and creep tests are also similar, but simpler, unless there are special requirements

do not determine its deformation over time.
(4) Determination of high temperature oxidation resistance
Steel high temperature oxidation resistance ability of the atmosphere known as the corrosive effect of oxidation resistance.

High-temperature gas corrosion process, usually steel in high temperature combustion products of fuel when the Co2, H2o or O2 in

the air in the process. The speed of this process depends on the nature of steel and it is the product of the decomposition

pressure oxidation, but also on the gas medium composition, temperature and pressure.
High-temperature oxidation of steel is a form of chemical corrosion. Therefore, high temperature resistant steel can be directly

palpable resistance of steel corrosion in a certain time after the Canon of the size of that weight loss weight loss of speed

metal, said.

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ductile iron pipe construction technique

Web Design And Seo For www.china-webdesign.com
forging parts supplier – China Manufacturer
Thank you for inquiry my forging parts supplier, Tel:0086-574-27851019 E-MAIL:thomas@steel-casting-forging.com
http://www.steel-casting-forging.com/key-forging-parts-supplier-47/

   Ductile iron pipe installed prior to the construction, to the pipe, pipe fittings, rubber ring, and so do a check on the

appearance, if you have any questions, must be promptly addressed, determined not to be practical.
    In the installation process should pay attention to, first of all to clean up all the parts, for example, the nozzle should

be cleaned inside the debris, and to scrub clean. Then we take a look apron is not clean, if there is dirt, then we need to

remove the dirt above. When installing the card to make apron uniform ductile iron pipe in the tank. We can bend it as a \"plum-

shaped\" or \"8-shaped.\" In order for ductile iron pipe to use more lubrication, we need to jack on the apron and brushing the

outer surface of the lubricant. When we take the next ductile iron pipe ductile iron pipe down to the bottom. Side of the

interface, there are gaps. We do this all the time to carefully operate. Note clean tube site. Do not make the ductile iron pipe

again and then the various parts of the contamination.
    Contamination clean-up issues must be careful. Should be careful during the installation process, do make ductile iron pipe

installed in a flat above, to prevent the top of the apron, resulting in ductile iron pipe quality issues. Ductile iron pipe in

the connection interface is to align the socket, if the bad connection, do not use much of the effort to force it. If forced into

the rubber ring will lead to distortion. This pipe is made out of ductile iron failed. There will be security risks.
    Ductile iron pipe corrosion resistance, so the application area is also very broad, we have to clear ductile iron pipe

construction technology, otherwise, the installation failed, equivalent to the risk that planted the seeds of the site.
 

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