Conval
Bellows seal valves for when leakage is not an option
Low-pressure ASME Class 150-900 Clampseal bellows seal valves (photo) are suitable for demanding toxic, corrosive and caustic applications, as well as regulation of severe-service process control where leakage to the environment is not an option. They feature low weight and seismic profile; leak-proof integrity; in-line servicing; high cycle bellows; high flow capacity; and no fugitive emissions. The valves are available in ½- through 4-in. sizes with socket weld, butt weld, flange and threaded end connections. High-pressure Clampseal single- and double-bellows seal valves for up to ASME Class 2500 are suitable for applications where packed valves may not reliably contain light gases or hazardous system fluids due to leakage in the stem/packing seal area or stuffing box wall/packing seal area. — Conval, Inc., Enfield, Conn.