Cast Iron Double Disc Swing Check Valve

DN40  water flap non return natural gas check valve/soft sealingdouble bronze disc check valve PN16 DN100 Ductile Iron  spring loaded dual disc wafer check valves, Wafer Type Dual Disc Check Valve /Ductile iron Check Valve ,  Product FeatureCenterline structure, short face to face length, small volume and light weight.Unobstructed flow passage, small fluid resistance.Disc uses the spring to load, its quick closedown can effective reduce the hammer pressure.The sealing property is good, the closure does not have noise and can meet the requirement of zero leakage.Easy installation, can be used in both horizontal and vertical pipes. Technical ParametersNominal diameter(mm)50~90050~900Nominal pressure(Mpa) 1.0 1.6Testing pressureShell(Mpa)1.52.4Seal(Mpa)1.11.76Suitable temperature(°C)-40°C~200°CSuitable mediumDrinking water,sewage,seawater,food,medicines,gas,oil and acid Main Raw MaterialBodyDiscStemSeatSpringCast ironPlated ductile ironStainless steelEPDM/NBRSS304Ductile ironCF8WRAS-EPDMSS316Carbon steelCF8MViton Stainless steelAluminum bronzecustomisedSilicon PS:Vulcanized seat Reference StandardDesign standardAPI 594Testing standardAPI 598End flange standardDIN PN10 / PN16,ANSI 125# / 150#,BS4504 PN10 / PN16Face to face standardAPI 594 Overall Dimension and Weight  SizeΦDΦD1LWeight(kg)DIN PN10DIN PN16ANSI150#ANSI 125#ASNI 150#DN501071071046554601.75 DN651271271237860672.29 DN801421421369467733.00 DN10016216217411767735.00 DN12519219219614583837.00 DN15021821822217195989.50 DN20027327327922412712718.53 DN25032832934027614014631.00 DN30037838441033818118152.00 DN35043844445137518418470.00 DN400489495514416191191101.00 DN450539555549467203203119.00 DN500594617606514213219139.00 DN600695734717616222222205.00 DN700810804831720305305370.00DN750  883770305305420.00 DN800917911940825305305480.00 DN900101710111048925368368630.00 PRODUCT FEATURE Other productsWhy Choose USOur factory is specialized in valves' production. As one of the biggest and most professional manufacturer and exporter majored in valves, we assure that we can provide our products with cheapest price, good quality and best service. If you like, welcome to our factory and have a look!We test leakage of each roll before braiding, then we cut 300mm and crimp it to testburst pressure after brading.We use CNC Lathes Machine for end fittings production. Machine system, knife and inspectiontools are all imported from Japan.We use Techmaflex Crimping Machine which is imported from France. This machine hasaccurate and stable performance for crimping because it is produced for PTFE hose crimping only.Contact to this supplier xbvalve.en.made-in-china.com     /* 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