bmotiontech ISO-KF KF25 NW25 vacuum chamber venting valve or air admittance valve Nr._WN124-031 tabs { border-top: 2px solid

tabs { border-top: 2px solid #ec008b

Flange to flange length = 40mm

It follows ISO-KF standards and all flange size of NW-16

Major OD 2

The other end is KF40 flange which follows ISO-KF standards and all flange size are NW-40 / KF-40 / QF-40

bmotiontech ISO-KF KF25 NW25 vacuum chamber venting valve or air admittance valve Nr._WN124-031 tabs { border-top: 2px solidbmotiontech uniquely designed for small vacuum chambers This adapter is for venting or breaking chamber vacuum in a controllable manner by atmospheric air Air admittance flow is controlled by the height of the top knob Easily replaceable FKM Viton O ring Free 2pcs O ring provided for future maintenance