Dual Plate Check Valve
·Sizes NPS 2 to NPS 48
·Class 150 to Class 2500
·Available in Casting (A216 WCB, WC6, WC9, A350 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A), Alloy 20, Monel, Inconel, Hastelloy
·Design & manufacture according to API 594
·Face-to-face according to API 594, ASME B16.10
·End Connection according to ASME B16.5
·Test & inspection according to API 598
·Also available per NACE MR-0175, NACE MR-0103
Retainerless body design with no external body penetrations eliminating the possibility of outside leakage. Disc assembly secured in place by high strength key.
End gasket surfaces are uninterrupted with no screws or lock pins breaking the gasket surface. No gasket restrictions required.
Seat faces lapped for smooth finish and superior sealing.
High torsion inconel springs for quick closing.
Each valve is shell and seat pressure tested per industry standard API 598.