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Product Data Sheet From Shell Lubricants
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Metering Valves S, M. L, and 31 Series (MS-01-142;rev M;en ...
www.swagelok.comwith nitrogen at 1000 psig (69 bar). Shell testing is performed to a requirement of no detectable leakage with a liquid leak detector. Every Swagelok L series metering valve is tested for bubble-tight seat shutoff at 100 psig (6.8 bar) differential pressure. Every Swagelok 31 series needle valve is factory tested with nitrogen at 1000 psig (69 ...