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