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Check Valves

Special Marine & Defence ProductsUnder Make In INDIA Project

Cast Steel   Swing Check Valve
DESIGN FEATURES :
  • MANUFACTURING STANDARD - BS: 1868 / API-6D
  • FACE TO FACE AS PER ANSI B16.10
  • ENDS - FLANGED & DRILLED AS PER ANSI B16.5 R.F
  • BUTT-WELDING ENDS AS PER ANSI B16.25
  • TESTING STANDARD : API -598 / BS: 6755 PART I
  • NON SLAM / 'DASH-POT' / BY-PASS ARRANGEMENT ALSO AVAILABLE
  • ALSO AVAILABLE IN CAST ALLOY STEEL (WC6, WC9). & ALLOY STAINLESS STEEL (CF3 / CF3M)
Size : ½ - 24 Inch, Pressure Class:150# ANSI CLASS Up to 2500#
SL
No.		 PART NAME MATERIAL
CARBON STEEL STAINLESS STEEL
WCB CF8 CF8M
1. BODY ASTM A 216 Gr. WCB CF8 CF8M
2. BODY SEAT RING CS with 13% Cr. FACING INTEGRAL
3. DISC ASTM A 216 Gr. WCB CF8 CF8M
4. DISC FACING 13% Cr. DEPOSITED INTEGRAL
5. HINGE ASTM A 216 GR. WCB CF8 CF8M
6. HINGE PIN AISI-304 AISI-304 AISI-316
7. LOCK NUT AISI-304 AISI-304 AISI-316
8. GASKET CNAF / SPIRAL WOUND AISI-304
9. COVER ASTM A 216 Gr. WCB CF8 CF8M
10. STUD
     NUTS		 A 193 Gr. B7
     A 194 Gr. 2H		 A 193-B8
     A 194-8		 A 193-B8M
     A 194-8M
11. BRACKET ASTM A 216 GR. WCB / CS CF8 CF8M
Cast Steel   Pressure Seal Swing Check Valve
Size : ½ - 24 Inch, Pressure Class:150# ANSI CLASS Up to 2500#
SL
No.		 DESCRIPTION MATERIAL
CARBON STEEL STAINLESS STEEL
WCB CF 8 CF 8M
1. BODY ASTM A 216 Gr. WCB CF 8 CF 8M
2. SEAT RING ASTM A 216 Gr. WCB + STELLITED INTEGRAL
3. DISC ASTM A 216 Gr. WCB + STELLITED CF 8 CF 8M
4. HINGE ASTM A 216 Gr. WCB CF 8 CF 8M
5. WASHER S.S. AISI 304 AISI 304 AISI 316
6. DISC NUT S.S. 304 AISI 304 AISI 316
7. SPLIT PINT S.S. AISI 304 AISI 304 AISI 316
8. HINGE PIN S.S. AISI 410 AISI 304 AISI 316
9. COVER ASTM A 216 Gr. WCB CF 8 CF 8M
10. GASKET S.S. AISI 304 AISI 304 AISI 316
11. THREADED RING ASTM A 216 Gr. WCB AISI 304 AISI 316
12. STUD
     NUTS		 ASTM A 193 Gr. B7
     ASTM A 194 Gr. 2H		 A 193-B 8
     A 194-B 8		 A 193-B 8M
     A 194-B 8M
DESIGN FEATURES :
  • MANUFACTURING STANDARD :- BS : 1868 / ANSI B 16.34
  • FACE TO FACE AS PER ANSI B 16.10,
  • ENDS FLANGED & DRILLED AS PER ASME B 16.5
  • BUTT WELD ENDS AS PER ANSI B 16.25 / RR / RTJ
  • TESTING AS PER BS : 6755 PART-I
  • AVAILABLE IN CAST ALLOY STEEL (WC6, WC9) & ALLOY STAINLESS STEEL CF 3 / CF 3M)
  • NON SLAM ARRANGEMENT OPTIONAL
  • BOLTED BONNET ON REQUEST
Forged Steel   Check Valve
Size : ½ - 24 Inch, Pressure Class:150# ANSI CLASS Up to 2500#
SL
No.		 PART NAME MATERIAL
CARBON STEEL STAINLESS STEEL
1. BODY ASTM A 105 / F11 / F22 ASTM A 182 F304/316
2. SEAT RING A 279-410 (HARDENED) AISI 304 / 316
3. DISC A 279-410 (HARDENED) AISI 304 / 316
4. GASKET S.S. 304 SPIRAL WOUND
5. COVER ASTM A 105/F11/F22 ASTM A 182 F304/316
6. COVER BOLT A 193-B7 A 193-B8
DESIGN FEATURES :
  • MANUFACTURING STANDARD - BS: 5352 / (REDUCED BORE)
  • SOCKET WELD END AS PER ANSI B 16.11
  • SCREWED ENDS AS PER ANSI B2.1
  • TESTING STANDARD AS PER BS 6755 PART-1
  • ALSO AVAILABLE IN FULL BORE UP TO SIZE 40 NB
  • TRIM STELLITED FOR 1500# & 2500 #
  • WELDED COVER OPTIONAL.
Cast Iron   Check Valve
DESIGN FEATURES :
  • MANUFACTURING STANDARD BS : 5153.
  • FACE TO FACE AS PER ANSI B 16.10, CLASS-125 / BS : 5153.
  • ENDS FLANGED & DRILLED AS PER ANSI B 16.1, CLASS-125 / DIN PN-16.
  • TESTING AS PER BS : 6755 PART-I.
Size : ½ - 24 Inch, Pressure Class:150# ANSI CLASS Up to 2500#
SL
No.		 DESCRIPTION MATERIAL
1. BODY CAST IRON (ASTM A 126 CI.B)
2. SEAT RING S.S. 18-8 / BRONZE
3. DISC RING S.S. 18-8 / BRONZE
4. DISC CAST IRON (ASTM A 126 CI.B)
5. HINGE CAST IRON (ASTM A 126 CI.B)
6. HINGE PIN S.S. AISI 410 / BRONZE
7. GASKET COMPRESSED ASBESTOS FIBRE
8. COVER CAST IRON (ASTM A 126 CI.B)
9. STUD &
     NUTS		 ASTM A 307 Gr. B
     ASTM A 563 Gr. B
Dual / Single Plate    Wafer Type Check Valve
Size : ½ - 24 Inch, Pressure Class:150# ANSI CLASS Up to 2500#
SL
No.		 PART NAME MATERIAL
CAST IRON CARBON STEEL STAINLESS STEEL
WCB / A - 105 CF8 CF8M
1. BODY ASTM A 126 CL. B ASTM A 216 Gr. WCB CF8 CF8M
2. SEAL EPDM / VITON EPDM / VITON / PTFE EPDM / VITON
3. DISC ASTM A 126 CL. B / ST. STEEL/GGG-40 ASTM A 216 Gr. WCB CF8 CF8M
4. DISC WASHER SS SS AISI 304 AISI 316
5. DISC NUT SS SS AISI 304 AISI 316
6. SPLIT PIN SS SS AISI 304 AISI 316
7. HINGE PIN SS SS SS SS
8. SPRING SS SS SS SS
DESIGN FEATURES :
  • MANUFACTURING STANDARD API 594 / API 6D
  • FACE TO FACE AS PER API 594 / API 6D
  • SUITABLE IN BETWEEN ANSI B16.5 FLANGES
  • TESTED AS PER BS 6755 PART-1
  • METAL TO METAL SEAT OPTIONAL