These KF-16/25/40/50 Metal Hose Bellows Flex Coupling vacuum fittings follow ISO-KF standards and have a flange size of NW-16/25/40/50. 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: KF16/25/40/50
Materials: 304 Stainless Steel
Application: Vacuum Equipment
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