Bell-O-Seal Valves Pvt Ltd manufactures Bellow Seal Cryogenic Valves. Bell-O-Seal Valves Pvt Ltd is an ISO 9001:2000 accredited company. The Company also manufactures various types of bellow seal valves. The Bellow Seal Cryogenic Valves finds an application in nuclear, space, chemicals, petro-chemicals, fertilizers and synthetic industries for handling various hazardous fluids and gases. The Bellow Seal Cryogenic Valves are available in sizes ranging from 1/2" NB to 24" NB. These Valves can be used for pressure over 400 bars and temperature above 450 Degree C. These Valves are made of cast carbon steel, cast stainless steel, alloy 20, hastelloy-C, forged carbon steel, forged stainless steel etc.