Bellows Valve

Fluid & Gas Flow Equipment

Bellows Valves feature pressure rating of 2,500 psig CWP.

July 15, 2013

Designed for high temperature, high pressure instrumentation applications in power industry, FB Series Bellows Valves feature 316 SS construction and are available with welded or gasketed body to bellows sealing. Secondary packing system acts as backup seal above primary bellows seal, which is available in Grafoil® or PTFE with temperature ratings of -65 to 1,000°F and -65 to 450°F, respectively. Single and double ferrule tube compression ports come in ¼, 3/8, or ½ in. fractional sizes. Read More

Fluid & Gas Flow Equipment

Compact Vacuum Valve is rated for 10,000,000 cycles.

July 21, 2010

Available in angle, inline, and internal-only configurations, High Cycle Valve features stainless steel bellows that prevent outgassing, virtual leaks, and particle entrapment. High flow port sizes include NW25, NW40, and NW50, while TIG fusion welded vacuum grade body ensures less contamination build-up. For leak tight operation, elastomer seals are available in Viton® for typical operating conditions, or Kalrez® or Chemraz® for high temperature conditions and chemical resistance. Read More

Fluid & Gas Flow Equipment

Bellows Seal Globe Valve is designed for steam service.

November 10, 2004

Compact BE3L features zero leak, triple seal construction, where bellows, gland packing, and stem seal act as impermeable barrier between fluid and environment. Forged steel construction and stainless steel bellows are tested to withstand 10,000 cycles, and tight shutoff is accomplished via stellite hardened surfaces on valve plug and seat. Available in ½-2 in. sizes in screwed, socket weld, and 300 lb RF, design is rated to 710 psig and 752°F. Read More

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