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S740 技术参数
GRV High Performance Butterfly Valves S740 are made with double-offset disc construction provides excellent controllability, bubble tight shut off, long seat life and smooth operation, recommended for applications including refinery, chemical, liquor and hydrocarbon services and also throttling steam control, gas and vacuum, corrosive fluids etc..
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DOUBLE-OFFSET BUTTERFLY VALVES S740 - SPECIFICATIONS |
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Size |
2" to 60" |
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Rating pressure |
ANSI Class 150, 300, 600 |
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Temp. application |
-29°C ~ +260°C |
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End connection |
Wafer, Lug, flanged |
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Design standard |
API 609 , BS 5155, EN 593 |
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Flange standard |
ANSI B 16.47, ANSI B 16.5 |
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Testing standard |
API 598, FCI 70-2 |
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Seat leakage rating |
API 598 , FCI 70-2 Class VI |
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Flow direction |
Bi Directional |
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Body material |
WCB, CF8, CF3, CF8M, CF3M etc |
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Operators combinations |
Manual, Pneumatic, Electric |