AWWA C504 Manual Large Diameter Butterfly Valves For Water / Steam 2 Inch 4" 6"

Face to Face:? API 609?Table 2C(Short pattern)
???????????????????????? ISO 5752?Series 13
?????????????????????????BS 5155 Series 2 (Short)
???????????????????????? AWWA C504(Short)
End Connection:?EN1092-2 PN10/PN16
Top Flange: ISO 5211/1
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Standard Features:
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* The heavy duty double flanged design is suitable for high pressure loading and is excellently suited for use in shipbuilding,waterworks,iron&steel industry and power stations.
* ISO 5211 top flange is provided on every valve for easy actuation
* One-Piece shaft design,blow-out proof,ensures positive disc positioning and accurate flow control
* Disc edge is machined and polished 360o to assure low friction,which results in low operating torque plus increased seat life.
* Precision taper pins, vibration-proof, ensure positive shaft-disc connection.
* The resilient seat is fully vulcanized in the body, which isolates the body components from the media and provides the primary shaft seal.
* Abosolutely tight shut-off(no visible leakage at the naked eyes) in either flow direction.
* Can be installed in any desired direction