Soft sealing gate valve with by-pass

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Soft sealing gate valve with by-pass
Posting date : Dec 10, 2012
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84-
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Design Standard:CJ/T3056 Flange :DIN2501 Face to face dimensions:DIN3202(equal to ISO5752) Testing standard :CJ/T3055 Working temperature:NNBR<80℃ Technical characteristics: Testing standard CJ/T3055 Nominal pressure 0.4Mpa 0.6Mpa Strength testing Hydraulic 0.8Mpa 1.2Mpa Air 0.6Mpa 0.9Mpa Functional testing Air 0.44Mpa 0.66Mpa Main components and their materials: No. Name Material 1 Body /bonnet QY500-7 GGG50with internal and external epoxy resin coating 2 Wedge GGG50with NBR 3 Stem Stainless steel 4 Stem nut,bushing D2 5 Washer ,O-Ring NBR

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