Valves are available in sizes ranging from ½-4 in.

Press Release Summary:




Clampseal® Stop, Check, and Stop Check Valves are offered with ASME pressure classes up to 4500 and butt weld or socket weld connections. Standard materials include A105, F22, F91, F316, F347, Inconel and Monel, with custom materials and special service variations, such as fire-safe and cryogenic, available. Other features include cartridge-replaceable packing chamber, graphite packing system with single one-piece gland, and pressure seal bonnet.



Original Press Release:



Large Selection of High-Performance Clampseal® Stop, Check and Stop Check Valves Offered by Conval



SOMERS, CT USA (11/24/08) - Conval, a leader in high-temperature, high-pressure valves for the world's most demanding applications, now offers an extensive selection of Y, T, and angle pattern stop, check, piston check, and stop check valves.

Valve sizes range from ½" to 4", with ASME pressure classes up to 4500 and butt weld or socket weld connections. Standard materials include A105, F22, F91, F316, F347, Inconel and Monel. Custom materials and special service variations such as fire-safe and cryogenic are available to meet custom application requirements. Accessories include electric, pneumatic, or hydraulic actuators; locking devices; limit switches; stem shrouds; and position indicators.

All Clampseal stop, check, and stop check valves feature cartridge-replaceable packing chamber; high-performance graphite packing system with single one-piece gland; unique pressure seal bonnet; pressure actuated backseat; self-aligning seating; solid Stellite seat and disc; acme body-yoke connection; modular, interchangeable body parts; rapid in-line serviceability; and two-year warranty.

For details and complete catalog, please contact

Conval, Inc., 265 Field Road, Somers, CT 06071; telephone 860-763-3551; fax 860-763-3557; email sales@Conval.com; web www.Conval.com.

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