What is Check Valve

Check Valve is a very important category in the Industrial Equipment & Components industry. A good Check Valve can make a big difference in your comfort and productivity. There are many styles of Check Valve available, so you can choose one that's well suited to your needs.

How to source & buy Check Valve

At made-in-china.com, Check Valve are made from various kinds of features such as Temperature, Low Temperature, High Temperature, Ordinary Temperature, which offer unique user experiences to every kind of taste.
Take Temperature for example, you can find Low Temperature Temperature, High Temperature Temperature and more.

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The Best Check Valve Products

Gray Iron Body for Open Water Supply Systems and Closed Circulation Systems with Ductile Iron and EPDM Seat Control Check Valve Product Description Triple duty control check valve is generally used for pump control in open water supply systems and closed circulation systems. It is often installed behind the water pump outlet or rubber expansion joint to achieve flow regulation, check, cut off, and change the installation direction. Specification NO. Name Material Chinese Standard ASTM Standard 1 Body HT250 QT450-10 ASTM 126-ClassB A536 65-45-12 2 Disc QT450-10 EPDM A536 65-45-12 EPDM 3 Shaft 1Cr13 ASTM 410 4 Cover HT250 QT450-10 ASTM 126-ClassB A536 65-45-12 5 O-Ring EPDM EPDM 6 Hand Weel Carbon Steel ASTM A570 Nominal Diameter: DN50-DN300 Nominal Pressure: Class125/PN16/PN25 Flanged End Standard: ANSI B16.1,EN1092-2,GB/T17241.6 Working Temperature: -20ºC- 120ºC NPS 2 2 1/2 3 4 5 6 8 10 12 DN 50 65 80 100 125 150 200 250 300 L 213 250 254 368 407 457 546 648 762 H(Open) 251 265 282 320 363 380 579 663 771 Kv 59.5 81.9 102.4 1690 341.9 409.4 797 1150 1774 Cv 69.4 95.6 119.5 197.2 399.0 477.8 930.1 1342.1 2070.3 Advantages 1,The Control check valve assembled at the outlet of the pump, can replace the check valve,regulating valve and close off valve at the pump outlet side. 2,This product has the function of prevent the medium back-flow and water hammer. 3,There is position indicator at the valve stem, can indicate the valve disc position exactly. 4,Thread fit components are made of different material, this could avoid the parts lock each other. Don't need special tools to maintenance this product at site. 5,This product can be assemble vertical or horizontal, please note the medium flow direction arrow on the valve body, do not assemble it in a wrong direction. Packaging & Shipping Company Profile Shanghai Flow Valve &Fitting Co, Ltd. was founded in 1998, mainly in foreign trade export business, has invested in two professional manufacturing factories in Shanghai Jiading Waigang Industrial Zoneand Tianjin Wuqing Jingbin Industrial Park. These two subordinate factories are responsible for the professional production of ANSl, DINBS, GB and other standards of ball valve, butterfly valve, gate valve, stop valve, balance valve, filter, plug valve, control valve and other series of products. Nearly 80% of the company's products are exported to Europe,America, the Middle East, Southeast Asia and other parts of the world and we also conduct technical cooperation and OEM production with many European and American companies. Shanghai Flow Valve & Fitting Co., Ltd. began to actively participate in major domestic engineering projects in 2003. lt has established five sales centers in Shanghai, Beijing, Guangzhou, Xi'an and Chongqing, and its business covers northeast China, North China, northwest China,Southwest China, Central China, South China and other regions. Certifications Exhibition FAQ Q1: Can I have a sample order for valve? A1:Yes, we welcome sample order to test and check quality. Mixed samples are acceptable. Q2:Do you have any MOQ limit for valve order? A2: Low MOQ, 1pc for sample checking is available. Q3: How do you ship the goods and how long does it take to arrive? A3: We usually ship by sea. It usually takes 30 days to arrive. Airline shipping also optional. Q4:How to proceed an order for valve? A4: Firstly let us know your requirements or application. Secondly We quote according to your requirements or our suggestions. Thirdly customer confirms the samples and places deposit for formal order. Fourthly

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