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B ports Control Function N/A Control Mechanism Meter Out (Y) Auxiliary Symbol N/A Design Number 20 (For 01 Size) Weight 2
direct-fit replacements for maintenance and rebuilds
OEM-grade seals: high-temperature elastomers & backup rings
ensuring increased corrosion resistance
20SC9 B ports Control Function N/ADescription The BuTech 20SC9 O Ring Check Valve provides reliable one way flow control through 9 16" medium pressure tubing, preventing backflow in high pressure fluid and gas systems. Constructed from 316 cold worked stainless steel, it withstands pressures up to 20,000 psi (1,380 bar) and maintains seal integrity with a Buna N standard O ring (optional Viton, Teflon, Kalrez). Compact and robust, it s ideal for instrumentation, sampling loops, and
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