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Swagelok® screwed-bonnet needle valves offer shutoff or regulating stem tips in straight- or angle-pattern valves with externally adjustable packing.
Every JB series needle valve is factory tested for bubble-tight shutoff at 100 psi (6.8 bar) differential pressure. Shell testing is performed on a sampling basis at 3000 psig (206 bar) to a requirement of no detectable leakage.
Every JB series needle valve is cleaned and packaged in accordance with Swagelok Standard Cleaning and Packaging (SC-10).
Standard ball stem tip is 316 stainless steel; 440C stainless steel and cobalt-based alloy material are available.Nonrotating ball shutoff stem is standard; regulating stem is available.Standard handle is anodized aluminum; stainless steel bar handles are available.
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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.