O-ring, 42.5 X 3 mm – Buna, Part# 2120077 – vacstellar

4.40

This O-ring is a small but vital part for your vacuum system. It is specifically designed for Edwards vacuum pumps and systems. The O-ring’s job is simple: it sits between two parts to create a tight seal. When the seal is good, your pump can pull a strong vacuum. If the seal fails, you get […]

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SKU: 2120077
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Description

This O-ring is a small but vital part for your vacuum system. It is specifically designed for Edwards vacuum pumps and systems.

The O-ring’s job is simple: it sits between two parts to create a tight seal. When the seal is good, your pump can pull a strong vacuum. If the seal fails, you get leaks. Leaks make your pump work harder and stop it from working right.

This particular O-ring is made from Buna-N, also known as Nitrile. It is a standard, reliable material for vacuum work. It resists many common oils and fuels. 

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