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China Factory Price DIN Carbon Steel Bellows Globe Valve1
Valve, Globe Valves, Industrial Valve
Hebei Zhongji Heavy Industry Valve Co., Ltd.
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Product Description Din standard bellows seal ptfe lined dn150 pn40 cast iron globe valve for steamOne of the most frequent and serious problems valve face is gland leakage,results in wasted and increased plant downtime . Apart from the high cost of energy losses, Gland leakages can also cause serious environmental , ecological and health hazards to plant workers and personnel , Leakage of sensitive material can also constitude to a fire hazard , explosion, or damage to equipment by corrosive material . Air entering the pipeline could produce inflammable explosive or poisonous mixtures. Gland packed valves ofen demand continual maintenance in accessibility creating particular difficulties . The bellows complies to conditions at high temperatures and are capable of withstanding over 10,000 cycles without failure.Technical specificationDesign standard: DIN 3356Face to face dimension: DIN 3202Flanged ends: DIN 2543-2545Test & inspection: DIN 3230 Main part materialsNO.Part nameMaterial1BodyGS-C25,GGG-40G,1.44012Seat1.4301,Stellite3Disc1.4021,1.4401+Stellite4Stem1.4021,1.44015Bellows1.4301,1.44016GasketFlexible Graphite+stainless steel7BonnetGS-C25,GGG-40G,1.44018BoltA193-B7,A193-B89NutA194-2H,A194-810PackingFlexible graphite11Packing Gasket1.4021,1.440112Gland 1C45,1.440113Locator1C2514Pin1C3515Stem nutAlloy steel,Copper alloy16HandwheelCarbon steel17Cap1C35Performance specificationNominal PressurePN Test PressureStrength test1.5PNMPaSealing test1.1PNGas seal test0.6----Suitable temp-196oC~600oC
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