This Buna O-ring measures exactly 13.94 mm inner diameter with 2.62 mm thickness. It replaces Part #2125013 (cross-reference OB-1240E) . This O-ring is specifically used on Edwards E2M2, E2M5, E2M8, and E2M12 pump models .
This Buna O-ring measures exactly 19.6 mm inner diameter with 2.4 mm thickness. It replaces Part #2120041 . This O-ring is specifically used on Edwards E2M2, E2M5, and E2M8 pump models . The Buna-N (Nitrile) material offers great oil resistance at a fair price .
This Viton O-ring measures exactly 28.17 mm inner diameter with 3.53 mm thickness. It replaces Part #2125026. This O-ring is used on a very wide range of Edwards E1/E2M pump models including E2M2, E2M5, E2M8, E1M18, E2M18, E2M12, E2M0.7, E2M1, E2M1.5, E2M28, and E2M30 . The Viton (FKM) material handles high heat up to 200°C and harsh chemicals better than standard rubber.
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, E2M2, E2M5, E2M8, and E2M12 The Buna-N (Nitrile) material offers great oil resistance at a fair price.
This Buna O-ring measures exactly 6.6 mm inner diameter with 2.4 mm thickness. It replaces Part #2120028 This O-ring is used on a wide range of Edwards E1/E2M pump models, including E2M2, E2M5, E2M8, E1M18, E2M18, E2M12, E2M0.7, E2M1, E2M1.5, E2M28, and E2M30 .
This Viton O-ring measures exactly 7.59 mm inner diameter with 2.62 mm thickness. It replaces Part #02126116 This O-ring is used on a wide range of Edwards E1/E2M pump models, including E2M0.7, E2M1, E2M1.5, E2M2, E2M5, E2M8, E2M12, E1M18, E2M18, E2M28, and E2M30 .
This Buna O-ring measures exactly 86 mm inner diameter with 2 mm thickness. It replaces Part #02124086. This O-ring is specifically used on Edwards E2M2, E2M5, E2M8, and E2M12 pump models . The Buna-N (Nitrile) material offers great oil resistance at a fair price and is the standard choice for oil-sealed vacuum pumps.
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