Cast Iron Wafer Butterfly Valve
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Techniquestandard |
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Design |
GB/T12235 |
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FacetoFace |
GB/T12221、HG/T3704-2003 |
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Flangedimension |
HG20592-97ANSIB16.5a |
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Modeofdriving |
Hand、electrically-driven、air-operated |
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NominalPressure |
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Pressuretest |
GB/T13927、API1598 |
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Mainpartsmaterialspecifications |
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Name |
RefinedD.I |
Caststeel |
Stainlesssteel |
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|
QT |
C |
P |
R |
RL |
RL |
|
|
Body/Bonnet |
QT400 |
WCB |
CF8 |
CF8M |
CF3 |
CF3M |
|
Innerlining |
FEP/PTFE(F4)/PFA/PO/PE |
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Packing |
FTFE(F4) |
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|
packingcover |
QT400 |
WCB |
CF8 |
CF8M |
CF3 |
CF3M |
|
Disc |
QT400 |
WCB |
CF8 |
CF8M |
CF3 |
CF3M |
|
Bolt |
35 |
35 |
SS316 |
SS316 |
SS302 |
SS302 |
|
Nut |
45 |
45 |
SS304 |
SS304 |
S304 |
SS304 |
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