Checkvalve

LIFT / PISTON CHECK VALVE

STANDARD

REFERENCE

DESIGN BS 5352, API 602
FACE TO FACE API 6D, ASME B16.10
END CONNECTION ASME B16.5, ASME B16.25, ASME B16.11, ASME B1.20.1
TESTING API 598 / EN 12266 / BS 6755 PART-1
NACE COMPLIANCE NACE MR 0175 / 0103, ISO 15156
PT RATING ASME B16.34
SPECIFICATIONS
VALVE SIZES 2" TO 8"
CLASS RATINGS CLASS 150 TO 2500
END CONNECTIONS FLANGED FF, RF, RTJ, BWE, SWE, NPT, BSP

Note:

  • MANUFACTURING SIZE RANGES WILL BE BASED ON PRESSURE CLASSES, SERVICE MEDIUM & APPLICATION.
  • LARGER SIZE WILL BE MANUFACTURED UPON REQUEST.

MATERIAL OF CONSTRUCTION
BODY / TOP COVER CARBON STEEL, STAINLESS STEEL, DUPLEX STAINLESS STEEL, SUPER DUPLEX STAINLESS STEEL, HIGH NICKEL ALLOYS, EXOTIC MATERIALS
TRIM STAINLESS STEEL, DUPLEX STAINLESS STEEL, SUPER DUPLEX STAINLESS, HIGH NICKEL ALLOYS
GASKET SPIRAL WOUNDED, OCTAGONAL RING TYPE (RTJ) METAL GASKET IN SOFT IRON.
STUDS & NUTS ASTM A193 Gr.B7/A194 Gr.2H, B7M/2HM, B8/8, B8M/8M, L7/4, B16/2H
SPRINGS SPRING STEEL, STAINLESS STEEL, EXOTIC MATERIALS

Note:

  • ACTUAL MATERIALS OF CONSTRUCTION WILL DEPEND UPON THE VALVE SIZE PRESSURE CLASS, END CONNECTION AND SERVICE CONDITIONS.
  • OTHER MATERIALS ARE ALSO AVAILABLE BASED UPON THE REQUEST.