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Swagelok® Bellows Valves for General and High-Purity Service
Swagelok bellows-sealed valves are available in a wide variety of sizes, materials, and configurations to fill your needs for general and high-purity applications.
More Information
Find bellows-sealed valves in the product search.
See bellows valve references including catalogs and technical reports.
General-Service B Series
Swagelok B series bellows-sealed valves are available in a variety of models for system versatility.
Specifications
Working Pressure
Temperature
Flow Coefficient |
Up to 1000 psig (68.9 bar)
–20 to 900°F (–28 to 482°C)
0.12 to 1.2 |
More Information
Download the Bellows-Sealed Valves—B Series catalog.
Find bellows valves, general service, in the product search.
See B series bellows valves features and options.
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 Valves with Secondary Packing—U Series
Swagelok U series bellows-sealed valves enhance reliability, versatility, and safety—with a secondary containment system that prevents leaks to atmosphere even if the primary seal fails.
Specifications
Working Pressure
Temperature
Flow Coefficient |
Up to 2500 psig (172 bar)
–20 to 1200°F (–28 to 648°C)
0.36 to 5.3 |
More Information
Download the Bellows-Sealed Valves—U Series catalog.
Find secondary packed bellows valves in the product search.
See U series bellows valves features and options.
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 General-Service, Compact H and HK Series
With flow coefficients from 0.11 to 0.28, Swagelok H and HK series valves are compact bellows-sealed valves for general service.
Specifications
Working Pressure
Temperature
Flow Coefficient |
Up to 1000 psig (68.9 bar)
–80 to 600°F (–62 to 315°C)
0.11 to 0.28 |
More Information
Download the Bellows-Sealed Valves—H and HK Series catalog.
Find general service bellows valves in the product search.
See H and HK series bellows valves features and options.
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 BM Series Metering
Swagelok bellows-sealed metering valves feature micrometer handles for precise, repeatable flow settings.
Specifications
Working Pressure
Temperature
Flow Coefficient |
Up to 700 psig (48.2 bar)
–20 to 900°F (–28 to 482°C)
0.005 to 0.30 |
More Information
Download the Bellows-Sealed Metering Valves—BM Series catalog.
Find metering bellows valves in the product search.
See BM series bellows metering valves features and options.
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 BY Series Valve for Switching Service
The compact, packless Swagelok BY series bellows-sealed valve switches flow from one line to another.
Specifications
Working Pressure
Temperature |
Vacuum to 150 psig (10.3 bar)
0 to 200°F (–18 to 93°C) |
More Information
Download the Bellows-Sealed Valve for Switching Service—BY Series catalog.
Find switching service bellows valves in the product search.
See BY series bellows valve features and options.
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 High-Purity BN Series
Swagelok BN series bellows-sealed valves offer packless operation, with an all-metal seal to atmosphere and cleaning for high- and ultrahigh-purity systems.
Specifications
Working Pressure
Temperature
Flow Coefficient |
Vacuum to 500 psig (34.4 bar)
–40 to 200°F (–40 to 93°C)
0.30 and 0.70 |
More Information
Download the Bellows-Sealed Valves—BN Series catalog.
Download the BN Series Bellows Valve Technical Report.
Find high-purity bellows valves and high-purity bellows valves, multiport in the product search
See BN series bellows valves features and options.
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 High-Pressure HB Series
Swagelok HB series bellows-sealed valves offer pressure ratings up to 3500 psig (241 bar) and cleaning for high-and ultrahigh-purity systems.
Specifications
Working Pressure
Temperature
Flow Coefficient |
Up to 3500 psig (241 bar)
–40 to 400°F (–40 to 204°C)
0.30 |
More Information
Download the High-Pressure, Pneumatically Actuated Bellows-Sealed Valves—HB Series catalog
Download the HB Series Bellows Valve Technical Report.
Find high-pressure bellows valves in the product search.
See HB series bellows valves features and options.
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