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Butterfly Valve

1967

19

29

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Standard Features:

The valve shall be capable of Bi-Directional, bubble tight service to 175 PSI (2" - 12"), 150 PSI (14" - 21")


Body: One-piece bodies cast in both wafer and tapped lug patterns.  Flanged top plate for direct mount actuation.


Disc: Machined round and hand polished to provide a bubble tight shut off, lower torque and longer seat life.


Stem:  One piece double D, blow-out proof design.


Seat: Dovetail seat for bubble tight, bi-directional shutoff and shall be field repairable.  No gaskets required for pipeline installation.


Upper Bushing:  Heavy duty non-corrosive Delrin.


Lower Bushing: Bronze or stainless steel.


Stem Seal: Two O-rings for positive sealing and leak prevention


Disc and Stem Connection: A stainless steel retaining pin provides a positive leak proof connection and quick disassembly.


Operating / Test Conditions:

Face to Face: ISO 5752 table 5 short


Mounting Flange: ISO 5211


Flange Requirements: ANSI 125/150 flat or raised face.


Pressure Rating: Bi-Directional bubble-tight shutoff to 150 PSI and tested to 110% of full rating.


Maximum Working Pressure: 150 PSI


Test pressure: 170 PSI


Shell Testing: 300 PSI

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