Blind Flange

Size: 1-13/16 in ~ 26-3/4 in

Working Pressure: 2000PSI, 3000PSI, 5000PSI, 10000PSI, 15000PSI, 20000 PSI

Material: AISI 4130(forged)/ SUS316/Inconel 625 / 410 Stainless Steel

Face: RTJ, FF, RF

Connection: Bolted or Studded

Temp Class: L-U

Material Class: BB, CC, DD, EE, FF

Product Specification Level: PSL1, PSL2, PSL3, PSL4

Performance Requirement: PR1, PR2


Blind Flange is used to block off a pipeline or to create a stop. Like a regular flange, it also has mounted holes around the perimeter and the gasket sealing rings machined into the mating surface. The difference is that a blind flange has no opening to allow fluid to pass through. 


  1. Designed and manufactured according to API 6A latest edition.
  2. All sizes and materials are available, including alloy steel, carbon steel, and stainless steel.
  3. 100% test for each piece including Hardness test, MT, NT, and hydrostatic test.  



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