O-ring, 109.5 x 3 mm – Viton, Part# 2122091

$6.16

This Viton O-ring measures exactly 109.5 mm inner diameter with 3 mm thickness. It replaces Part #2122091   This O-ring is specifically used on Edwards EH Booster and QMB Blower pump families, including QMB250, EH250, QMB500, and EH500 models

  • O-Ring, 26.9 x 2.4 mm - Metal

    O-ring, 109.5 x 3 mm - Viton, Part# 2122091

    $6.16

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      O-Ring, 26.9 x 2.4 mm - Metal

      O-ring, 109.5 x 3 mm - Viton, Part# 2122091

      $6.16

      Ask a Question

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      This specific size (109.5 mm x 3 mm) is used on Edwards EH Booster and QMB Blower pump families . This includes the following pump models:

      • QMB250

      • EH250

      • QMB500

      • EH500

      These are mechanical booster (Roots) pumps used in industrial vacuum systems. They are often combined with a backing pump to form a high-capacity pumping system. If you own or service these pumps, this is a seal you should keep in your spare parts box.

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