INDUSTRY STANDARDS

  • ASME B16.1, B16.5, B16.24, B16.34,B16.47, and B31.1
  • API 594 and 598
  • MSS-SP-25, MSS-SP-55
  • API 6A and 6D (as applicable)
  • MSS-SP-61 (standard for the resilient seated, metal seated when required)
  • NACE MR-01-75 (Latest Edition,when required)
PART NAME CAST IRON /BRONZE  
BODY A 126 CAST IRON A 126 CAST IRON
PLATE ALUMINUM BRONZE A 351 CF8M
SPRING 316 316
STOP PIN 316 316
NPT-PLUG 316 316
END BEARING 316 316
BEARING WASHER 316 316
SLEEVE 316 316
SEAT BUNA-N OR VITON BUNA-N OR VITON
PART NAME WCB/ 316SS 316SS/ 316SS CN7M / CN7M
BODY A 216 – WCB A 351 – CF8M CN7M
PLATE ALUMINUM BRONZE A 351 CF8M CN7M
SPRING INCONEL X -750 INCONEL X -750 INCONEL X -750
STOP PIN 316 316 ALLOY 20
NPT-PLUG 316 316 ALLOY 20
END BEARING 316 316 ALLOY 20
BEARING WASHER 316 316 ALLOY 20
SLEEVE 316 316 ALLOY 20
SEAT 316 OR VITON 316 OR VITON A20 OR VITON
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