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McCannalok Cryogenic

High Performance Butterfly Valve


Size Range

NPS 3 to 24 / DN 80 to 600

Temperature Range

-320°F to +250°F (-196°C to +121°C)

Maximum Allowable Operating Pressure

ASME Class 150, 300
EN 1092 PN 10, 16, 25, 40

Shutoff Rating

Zero Leakage (at ambient temperatures)
BS 6364 (at cryogenic temperatures)
ISO 28921 (at cryogenic temperatures)

Body Style

Wafer, Lug

Body Materials

316 Stainless Steel

Stem Materials


Seat Materials

Polar® Seat

Disc Materials

316 Stainless Steel

Flange Drilling

ASME B16.5, EN 1092

Features & Benefits

The McCannalok Cryogenic high performance butterfly valve provides industry leading cryogenic sealing technology and performance while being produced to the highest quality standards. The valve is designed to handle the most difficult medias in today’s industrial environments — liquid oxygen, liquid natural gas, and other cryogenic liquids.

McCannalok Cryogenic Features

  • The advanced Polar® Seat provides strength, flexibility, and unparalleled performance at cryogenic temperatures.
  • Industry leading leakage performance, with high cycle capability, at cryogenic temperatures.
  • Material compatibility with liquid and gaseous oxygen, certified by third party testing laboratory.
  • One-piece, high-strength, low temperature impact resistant stem.
  • Contoured disc to maximize flow.