Description:
These KF-25 Metal Hose Bellows Flex Coupling vacuum fittings follow ISO-KF standards and have a flange size of NW-25.
They are unsheathed and butt welded. Commonly used to build foreline vacuum plumbing and process systems.
They are often called quick flange fittings because they are quick to assemble.
A circumferential clamp and centering ring form the vacuum seal between the connecting flanges.

Features:
1. Soft, flexible, easy to bend, vibration absorbing
2. It has already passed the helium leakage test

Specifications:
Model: KF25
Materials: 304 Stainless Steel
Application: Vacuum Equipment