This Viton O-ring measures exactly 25.12 mm inner diameter with 1.78 mm thickness. It replaces Part #02125260 This O-ring is specifically used on Edwards EH2600 and EH4200 booster pumps and conforms to AS568 standard size AS022 . The Viton (FKM) material handles high heat up to 199°C and harsh chemicals better than standard rubber .
This O-ring is specifically used on Edwards EH Booster and QMB Blower pump families, including QMB250, EH250, QMB500, EH500, EH2600, and EH4200 models . The Buna-N (Nitrile) material offers great oil resistance at a fair price.
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