butterfly valve

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butterfly valve
Posting date : May 26, 2010
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Place of Origin
China [CN]
HS-CODE
82-
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Detailed Description
butterfly valve This product is worm drive hard seal butterfly valve. THE largest diameter is up to DN2000mm Main tehnical parameter: Nominal diameter(mm) 50~2000 Nominal pressure(Mpa) 0.6 1.0 1.6 Seal test (Mpa) 0.66 1.1 1.76 Strength test(Mpa) 0.9 1.5 2.4 Suitable temperature carbon steel : -29℃~425℃ ;stainless steel:-40℃~650℃ Suitable medium Water,air,nutural gas,oil Rate of leakage Correspond to GB/T13927-92 Type of drive Worm drive,motor-driven,pneumatic,hydraulic Name of part : Material Valve body: WCB,alloy steel,stainless steel,QT4500 Disc: WCB,alloy steel,stainless steel,QT4500 Valve shaft: 2Cr13stainless steel,alloy steel Seal ring: Stainless steel Packing: Flexible graphite

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