Nor-Cal ESV-150 1" Manual Angle Valve, NW-25 Flange Brand New Fully opening for improved conductance Electropolished body Edge welded bellows Nor-Cal elastomer sealed manual valves have a vacuum range of 1x10-9 Torr. Nor-Cal poppet valves are fully opening for increased conductance. Valve bodies are electropolished for better corrosion resistance.
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