The Inter Stage 3 – 4 Valve (Part #52840217) is a direct replacement part for Edwards dry vacuum pumps. This small valve, made of high-quality plastic , is used in the “interstage” purge system. It specifically controls the flow of purge gas between the 3rd and 4th stages of the pumping mechanism . This helps protect the pump when handling harsh or dangerous gases . If this valve fails, your pump will not purge correctly.
The Rubber Exhaust Valve (Part #27159516) is a direct replacement part for Edwards E2M and EM series vacuum pumps . This small rubber valve is responsible for controlling the release of exhaust gases from your pump . It is a key part of the exhaust system. If your pump is making unusual noises or losing performance, a worn or damaged exhaust valve could be the cause. Replace it to keep your pump running smoothly.
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