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.
Features:
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)
