$4.40
This Buna O-ring measures exactly 11.1 mm inner diameter with 1.6 mm thickness. It replaces Part #02122009 . This O-ring is used on a wide range of Edwards pump families, including EH Booster, QMB Blower, and E1/E2M models, covering pumps like QMB250, EH250, QMB500, EH500, E2M28, and E2M30 .

O-ring, 11.1 x 1.6 mm - Buna, Part# 02122009

O-ring, 11.1 x 1.6 mm - Buna, Part# 02122009
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10 in stock
Out of stock
10 in stock
10 in stock
10 in stock
10 in stock
Out of stock
The COUPLING BOSS FOR E2M28 PK1 is a replacement part made for the Edwards E2M28 rotary vane vacuum pump. This small metal part is a key piece of the drive coupling assembly. It connects the motor shaft to the pump shaft. Without a good coupling boss, the motor cannot turn the pump. If your pump is not pulling vacuum or making strange noises, this part may be worn out. Replace it to get your pump running again.
10 in stock
10 in stock
10 in stock
10 in stock
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