Checkvalve

DUAL PLATE CHECK VALVES

STANDARD

REFERENCE

DESIGN API 594
FACE TO FACE API 594
END CONNECTION ASME B16.5, ASME B16.47 SER A&B
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 36"
CLASS RATINGS CLASS 125 TO 2500, PN CLASSES ALSO AVAILABLE
END CONNECTIONS FLANGED RF / RTJ, WAFER, WAFER-LUG
SPECIAL REQUIREMENTS RETAINERLESS DESIGN, RETAINER TYPE DESIGN

Note:

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

MATERIAL OF CONSTRUCTION
BODY CARBON STEEL, DUCTILE IRON, CAST IRON, STAINLESS STEEL, ALUMINIUM-BRONZE, DUPLEX STAINLESS STEEL, LOW CARBON STEEL, SUPER DUPLEX STAINLESS STEEL, HIGH NICKEL ALLOYS, EXOTIC MATERIALS
TRIM MATERIAL STAINLESS STEEL, DUPLEX STAINLESS STEEL, SUPER DUPLEX STAINLESS, HIGH NICKEL ALLOYS
SEAT MATERIAL EPDM, VITION, NBR, METAL to METAL.
SEALS PTFE, RPTFE, GRAPHITE, GRAPHOIL.

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.