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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.
General Service
High-Purity Service
Swagelok® B series bellows-sealed valves are available in a variety of models for system versatility.
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.
With flow coefficients from 0.11 to 0.28, Swagelok® H and HK series valves are compact bellows-sealed valves for general service.
Swagelok® bellows-sealed metering valves feature micrometer handles for precise, repeatable flow settings.
Up to 700 psig (48.2 bar)–20 to 900°F (–28 to 482°C)0.005 to 0.30316 stainless steelHard chrome-plated 316 stainless steelSwagelok tube fitting, tube socket weld, tube butt weld, integral male VCR® face seal fitting1/4 and 3/8 in.; 6 mm0.07 in.3 (1.1 cm.3)—metering stem tip0.11 in.3 (1.6 cm3)—regulating stem tip
The compact, packless Swagelok® BY series bellows-sealed valve switches flow from one line to another.
Swagelok® BN series bellows-sealed valves offer packless operation, with an all-metal seal to atmosphere and cleaning for high- and ultrahigh-purity systems.
Working Pressure Temperature Flow Coefficient Body Material Stem Tip Material End Connections • Type
• Size Internal Volume
Vacuum to 500 psig (34.4 bar) –40 to 200°F (–40 to 93°C) 0.30 and 0.70 316L stainless steel PCTFE Swagelok tube fitting, butt weld, tube weld, tube extension, VCR® face seal fitting, VCO® O-ring fitting 1/4 to 1/2 in.; 6 to 12 mm 0.18 and 0.27 in. 3 (2.9 and 4.4 cm 3 )
Swagelok® HB series bellows-sealed valves offer pressure ratings up to 3500 psig (241 bar) and cleaning for high-and ultrahigh-purity systems
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Do not use the Cv Calculator for pressure regulators. Use the flow curves in the product catalog.
Swagelok biopharm fittings are inspected by an independent third-party inspection service, Purity Systems Incorporated, to meet ASME-BPE fitting standards.
Use this tool to search for your third party inspection documentation. Simply enter the lot number marked on the product and click search. Links to inspection documentation will be displayed below.
Search Swagelok Biopharm Services Company's material test report documentation by the heat number marked on the fitting.
Search Swagelok Biopharm Services Company's rubber gasket compliance report documentation by the lot number marked on the gaskets.