Blind Flange

  • Available with all common casing and tubing threads in all API flange sizes, pressures and trims.
  • Hot-dipped galvanized flanges conform to ASTM A153
  • Companion flanges threads conform to ASME B1.20.1
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Blind Flange

A Blind Flange is a solid disk used to block off a pipeline or to create a stop. Like a regular flange, it also has mounting 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.

Techanical Specification

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


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