Check Valve Products
ANSI Check Valve
Specification: API 6D, API 594, BS 1868, API 602
Type: Swing, Piston, Dual Plate, Single Plate
Nominal Sizes: Up to 56"
ANSI Class: #150, #300, #600, #900, #1500, #2500
Features: Non-Slam, Full/Reduced Opening
End Connection: Flanged, Butt Weld, Wafer, Lug, Socket Weld, Threaded
Material: Carbon Steel, Low Alloy Steel, Stainless Steel, Nickel Alloy, Super Duplex
Service: General, Sour Service, Severe Sour Service, Cryogenic and High Temp. Service
NACE MR0175/ISO 15156 compliance
API 6A Check Valve
Specification: API 6A
Type: Piston and Swing
Nominal Sizes: 1-13/16", 2-1/16", 3-1/8", 4-1/8", 7-1/16", 9", 11"
Rating: 3000, 5000, 10000, 15000
M/C: AA, BB, CC, DD, EE, FF, HH
T/R: K, L, N, P, S, T, U, V
PSL: 1, 2, 3 - PR: 1, 2
Material: Carbon Steel, Low Alloy Steel, Stainless Steel, Nickel Alloy, Bronze Alloy
Service: General, Sour Service, Severe Sour Service
NACE MR0175/ISO 15156 compliance