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标题:Flange Butterfly Valve
正文:
Flange Butterfly Valves Three-dimensional incline taper airproof seat 900 openinger cleaningTriple eccentric,Bereled wedgedisc small friction and torque,self-cleanManual,electric,pneumatit and gear operation etc.Technical specificastion Design Standard MSS SP 67-1997 Face to Face BS5155 Flange Ends ANSI B16.5 Test & Inspection API598 Material specification NO. Part name Material A216 WCB A217 LCB A351 CF8 A351 CF8M A351 CF3M 1 Nether cover A105 A105 A182 F304 A182 F316 A182 F316L 2 Bearing A182 F6a A182 F304 A182 F304 A182 F316
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