Product Profile of Bellow Seal Valves
Bellow seal valves are compact valve with up to 10,000 cycles lifetime recommended for steam, thermic fluid [santotherm, dowtherm, hytherm, marlotherm, thermia and dyphil] hydrogen and vacuum. These seal valves are available with zero stem leakage design eliminating product loss and hazardous circumstances. The company also provides welded/bolted bonnets in straight type forged design for application for cast valves. The company provides Stellited hard faced seating surface as optional feature.
Technical specifications:
Valve design: BS 5352/BS1873/ANSI B16.34
Valve test: API 598/BS 5146/ DIN 3230
Socket weld: ANSI B16.11
Butt weld: ANSI B16.25
Screw: ANSI B1.20.1
End-to-end as per ANSI B16.10/specifications
Vacuum-atmosphere: 1 x 10-6 Torr
Vacuum-across seat: 1 x 10-3 Torr
