Dual Plate Check Valve

Class 150#, 300# Flanged End

Dual Plate Check Valve
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AtoZ Engineers provide a comprehensive choice of Dual Plate Check Valve of Classes thanks to our advanced and substantial infrastructure facilities. Our supplied variety of valves is produced utilizing top-grade steel metal by international standards. We provide these valves in various ranges and requirements.

Standard Material:

P. No. Description Material Specifications
WCB CF8 CF8M CF3 CF3<\M
01. BODY ASTM A216 Gr. WCB ASTM A351 Gr. CF8 ASTM A351 Gr. CF8M ASTM A351 Gr. CF3 ASTM A351 Gr. CF3M
02. DISC ASTM A217 Gr. CA15 ASTM A351 Gr. CF8 ASTM A351 Gr. CF8M ASTM A351 Gr. CF3 ASTM A351 Gr. CF3M
03. DISC HOLDING PLATE ASTM A216 Gr. WCB ASTM A351 Gr. CF8 ASTM A351 Gr. CF8M ASTM A351 Gr. CF3 ASTM A351 Gr. CF3M
04. BUSH ASTM A276 TYPE 304 ASTM A276 TYPE 304 ASTM A276 TYPE 316 ASTM A276 TYPE 304L ASTM A276 TYPE 316L
05. SPRING S.S. 304/INCONEL SS.304/INCONEL SS.316/INCONEL SS.316/INCONEL SS.316/INCONEL
06. L-KEY SCREW CARBON STEEL ASTM A276 TYPE 304 ASTM A276 TYPE 316 ASTM A276 TYPE 316 ASTM A276 TYPE 316
07. STOPPER PIN ASTM A276 TYPE 410 ASTM A276 TYPE 304 ASTM A276 TYPE 316 ASTM A276 TYPE 304L ASTM A276 TYPE 316L
08. DISC HOLDER PIN ASTM A276 TYPE 410 ASTM A276 TYPE 304 ASTM A276 TYPE 316 ASTM A276 TYPE 304L ASTM A276 TYPE 316L
09. EYE BOLT CARBON STEEL CARBON STEEL CARBON STEEL CARBON STEEL CARBON STEEL

Trim Material:

Trim No. Seat Ring Face Wedge Seat Face Stem Backseat Bush Lantern Ring
01. F6A/13% cr F6A/13% cr F6A/AISI410 F6A/AISI410 F6A/AISI410
02. F304 F304 F304/AISI304 F304/AISI304 F304/AISI304
05. STELLITE STELLITE F6A/AISI410 F6A/AISI410 F6A/AISI410
08. STELLITE F6A/13% Cr F6A/AISI410 F6A/AISI410 F6A/AISI410
09. MONEL MONEL MONEL MONEL MONEL
10. F316 F316 F316/AS1316 F316/AS1316 F316/AS1316
12. 316+STELLITE 316 F316/AIS1316 F316/AIS1316 F316/AIS1316
13. ALLOY 20 ALLOY 20 ALLOY 20 ALLOY 20 ALLOY 20

Test Pressure:

  • Class : 150
  • Shell Test (HYDROSTATIC) : 30 Bars | 435 PSIG
  • Seat Test (HYDROSTATIC) : 22 Bar | 319 PSIG
  • Class : 300
  • Shell Test (HYDROSTATIC) : 76 Bars | 1102 PSIG
  • Seat Test (HYDROSTATIC) : 55 Bar | 780 PSIG