Description
The plate valve assembly is one of the most important parts inside your Rietschle vacuum pump. Think of it like a one‑way gate. It opens to let gas or air move in the right direction. Then it closes tightly to stop anything from flowing back. This back‑and‑forth action happens many times every minute while the pump runs. The Viton O‑ring is a high‑performance rubber ring. It fits between the valve and the pump body. Its job is to make sure no air or gas sneaks past the edges of the valve. The two parts work together as one unit. You get both in a single assembly, so you don’t have to buy them separately.

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