Powell Valves - Model MSS SP-71 -Iron Check Valves

2` to 24` Swing Check Valve Class 125.Figure Numbers: 559 / 1259 / 559P.Bolted Bonnet.Flat Face Flange Ends.A126-B or 3% Nickel Iron.

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Seat faces lapped for smooth finish and superior sealing.
Swivel disc for improved seat alignment and longer life.
Each valve is shell and seat pressure tested per industry standard MSS SP-71.
Check valve are suitable for service in horizontal line with cap vertical or in a vertical line with flow upward.

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