These KF-25 90 degree elbow vacuum fittings follow ISO-KF standards and have a flange size of NW-25.
These stainless steel elbow fittings are commonly used to build foreline vacuum plumbing and process systems.
They are particularly made of corrosive resistant Stainless Steel. KF-25 Fittings Elbow 90 Degrees
ISO-KF Flange Size: NW-25
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