The Ballast Piston Assembly (Part #A19201007) is a replacement component for Edwards E1/E2M series vacuum pumps . This assembly is a critical part of the gas ballast system. It creates the seal that controls the flow of air into your pump .
The Ballast Valve (Part #A25904601) is a replacement gas ballast valve for Edwards E1M40, E2M40, E1M80, and E2M80 vacuum pumps . This valve lets a small amount of air into your pump on purpose.
10 in stock
10 in stock
10 in stock
10 in stock
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