Heavy Duty Flexible Coupling with ASTM a 536 Grade

NameHeavy Duty Flexible Coupling with ASTM A 536 GradeStandardANSI, ASTM, DIN, JIS, GB, BS, etcSize1"-12"MaterialDuctile Iron ASTM A536/QT450-10Surface FinishPaint Epoxy Powder or GalvanizedColorRed-RAL3000,Blue,Orange or as customer wantWorking Pressure300 PSI/2.07 MpaUsage1) Automatic sprinkler system for fire protection on commercial, civil and municipal constructions like water supplying, gas supplying, heat supplying, etc.2) Industrial pipeline system on shipping,mine,textileoil field,powder plant, etc.3) Pipeline system on subway station, railwayPartsStandardBolt&NutISO 898-1 class 8.8Gasket1)EPDM (Nitril, Silicon Rubber)2)Temperature range -30°F to +230°F (-34°C to +110°C)3)Recommended for cold and hot water dilute acids, oil-free air and many chemical servicesLab TestOur Lab for testing the material (bolt,nut,seal ring,sands,coal,etc) and the finished products (quality and performance test as the UL/FM,GB5135.11-2006 standardProduction Process (Our Factory)Smelting—Shot Blasting—-Grooved&Machining—-Painting—Assemble—-PackingPack and DeliveryPackCarton box with palletPaymentT/T :30%deposit,the balanced before deliveryL/C at sightPortQingdaoDelivery Time20-30 days shipment when we get the depositExhibitions (USA NFPA ,INTERSEC DUBAI )and Customers visit factoryFactory IntroductionHangzhou Luyuan Fire Technology Co,.Ltd,a factory specializing in production of Ductile Iron pipe fitting with over 12 years professional experiences.Our pipe fittings have been approved by UL and FM of USA in 2004,We factory has two automatic DISA casting line and CNC lathe,Modeling machine center,Automatic coating and packaging line.Our Products have high reputation at home and abroad and we have been exporting to USA,Canada,Mexico,Chile,Columbia,Peru,Spain,Saudi Araba,Bangladesh,South Africa and so on.If have achance in future,welcome you come to China to visit our factory.