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231 Series - 400 PSIG

231 Series - 400 PSIG


231 Series - 400 PSIG Stainless Steel Globe Valves


A rugged construction and easy access are design features which provide minimum installation and maintenance cost while maintaining superior performance and operator safety. This valve replaces higher cost bellows-seated valves in many applications. The proprietary Goddard GRAFOIL® stem packing system provides excellent performance when the valve operates in liquid hydrogen service.

Key Features & Benefits:

  • Top Entry: Rugged stainless steel * soft seated cryogenic globe valve. This valve can be permanently installed in the line and serviced from the top
  • Soft Seated: PCTFE Seat provides a bubble tight seal and is replaceable
  • Construction: One piece investment cast bonnet eliminates welded joint in topworks
  • Stem Packing: Proprietary Goddard system utilizing GRAFOIL® flexible graphite
  • Sizes: ¼” through 1½” (6mm through 40mm)
  • Ends: Socket weld, Butt weld
  • Service: Liquified and Gaseous hydrogen service only (see series 232 for non-hydrogen service)
  • Temperature Rating: -425°F to 150°F (-254°C to +65°C)
  • Pressure Rating: (Cold, Non-shock) 300 PSIG (20 Bar) 400 PSIG (27 Bar)
  • *Stainless steel ASTM A351-CF3M (316L)
  • PED Approved, Approved for US and Canada
  • Designed to ASME B16.34

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