Carbon Iron/ Ductile Iron/Carbon Steel Flange BS4504 DIN Ansib16.34 Pn16/25 Class125/150 Double Flanged Check Valve Water Control Check Valve

Gray Iron Body for Open Water Supply Systems and Closed Circulation Systems with Ductile Iron and EPDM Seat Control Check Valve Product DescriptionTriple 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.NameMaterialChinese StandardASTM  Standard1BodyHT250QT450-10ASTM 126-ClassBA536 65-45-122DiscQT450-10EPDMA536 65-45-12EPDM3Shaft1Cr13ASTM  4104CoverHT250QT450-10ASTM 126-ClassBA536 65-45-125O-RingEPDMEPDM6Hand WeelCarbon SteelASTM A570Nominal Diameter: DN50-DN300Nominal Pressure: Class125/PN16/PN25Flanged End Standard: ANSI B16.1,EN1092-2,GB/T17241.6Working Temperature: -20ºC- 120ºC NPS22 1/2345681012DN506580100125150200250300L213250254368407457546648762H(Open)251265282320363380579663771Kv59.581.9102.41690341.9409.479711501774Cv69.495.6119.5197.2399.0477.8930.11342.12070.3 Advantages1,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 ProfileShanghai 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 FAQQ1: 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 We arrange the production. Q5:Do you offer guarantee for the products?A5: Yes, we offer 1 year warranty to our products.Q6: Why choose us? A6: We are a manufacturer, we have been manufacturing for over 20 years.  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1