This is a PFPE-lubricated ball bearing used on Edwards EH Booster and QMB Blower pumps . It fits models QMB250, EH250, QMB500, and EH500.
This is an S-Row ball bearing used on Edwards EH Booster and QMB Blower pumps . It fits models QMB250, EH250, QMB500, and EH500.
The COUPLING COVER EH250/500 C/SEAL PK 1 is a complete replacement cover for the Edwards EH250 and EH500 mechanical booster pumps. It comes with the seal already included. This cover bolts onto the side of the pump where the motor connects. It protects the coupling area and holds the oil inside. If your existing cover is cracked, leaking oil, or damaged, this is the direct replacement you need. It fits both the EH250 and EH500 pump models .
The Felt Filter (Part # 22302015) is a replacement part for Edwards EH Series mechanical booster pumps and QMB Series blowers . It fits the EH250, EH500, QMB250, and QMB500 models . This small felt disc acts as a filter. It traps dust and debris before they can enter the pump’s internal parts.
This is the Edwards Ballast Gasket. Part number 27159615. It seals the gas ballast valve on your E1/E2M series vacuum pump . If your pump is losing vacuum or hissing, this small gasket might be the problem. Replace it to stop air leaks.
This is the Edwards Gasket. Part number 27159438. It is used on EH Booster and QMB Blower pumps . Specifically designed for the EH250, EH500, QMB250, and QMB500 models . If you are servicing your booster pump, this gasket is essential for a proper seal.
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