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Material | Casting | Media | Water | Port Size | 50-600 |
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Power | Manual | Pressure | Medium Pressure | Standard or Nonstandard | Standard |
Structure | Butterfly | Temperature of Media | Medium Temperature |
Double Flange Butterfly Valve:
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DN50~DN2400 2"~56" PN10/16
End flange: EN1092, Top flange: ISO5211
F/F:? EN 558-1 series: 13/20
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Brief Introduction:
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Butterfly?valve?is?mainly?consisted?of?body,?stem,?disc,?seat?and?driver(lever,?gearbox,?pneumatic?and?electric?Actuator)?and?so?on.?On?off?and?controlling?flow?
of?valve?are?made?by?turning?stem?and?disc?together.
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Size | DN50-DN2400 |
Design Standard | EN593 |
End flange | ANSI B 16.1, EN 1092 |
Face to face | EN 558-1 series13/20 |
Top flange | ISO 5211 |
Normal pressure | PN1.0/1.6MPa (150/200PSI) |
? | ? |
Series 13 | ? |
Body | HT200, A126 CLASS B, QT450-10, A536 65-5-12, WCB |
Disc | DI, ALB, CF8, CF8M, 1.4529 |
Stem | 416, 420, 431, 17-4PH |
Seat | NBR, EPDM, Viton |
? | ? |
Series20 | ? |
Body | CI, DI, WCB |
Disc | DI, ALB, CF8M, 1.4529 |
Stem | 416, 420, 431 |
Seat | NBR, EPDM |
Suitable temperature | -20C~150C |
Suitable medium | fresh water, sewage, sea water, food etc. |
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Astall Trading Co., Ltd.(BJ)