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Gate, globe, and check valves
Bonnetless Valves
ASME B16.34 Forged Steel Bonetless Y-Pattern Bellows Seal Globe Valves
ASME B16.34 Forged Steel Bonetless Y-Pattern Bellows Seal Globe Valves
Size range(s)
NPS 1/2 - 2 (DN 15 - 50)
Pressure rating
ASME Classes 150 - 800
Standard connections
Threaded, socket weld, butt weld
Features and benefits
- Long cycle life bellows (10,000 cycles): Designed and qualification tested for high pressure/temperature applications.
- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.
- Two secondary stem seals: a) Backseat in open position; b) Graphite packing.
- Superior seating faces: Seats hardfaced with CoCr alloy, disc is solid CoCr alloy.