Top Entry Check Valves
Cast Steel Bolted Bonnet Check Valves are designed for fast check valve action and maximum service life.
NPS 2"-36" Class 150-2500
Design Features: • Swing check valves can fit on both horizontal and vertical (up-flow) piping; • Corrosion-resistant overlaying of seats and disc sealing surfaces; • Robust one-piece construction to withstand the severe shock of check valve service.
Size range: 2” to 36”
Pressure Class: ANSI 150 to 2500
Temperature range: -60 °C to +650 °C
Materials: ASTM, UNS, AISI, NACE MR-01-03
Carbon, alloy and stainless steels, duplex steels, special alloys CRA weld overlays are available. All materials conform to NACE MR-01-75 upon requirement.
Flanges:ASME B16.5 and B16.47, API 605, MSS-SP 44
Buttweld: ASME B16.25