1PC KF High Vacuum Bellows

Pneumatic Equipment Accessories: These KF- 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 form vacuum seal between connecting flanges.
Features:
1. Soft, flexible, easy to bend, vibration absorbing
2. It has already passed helium leakage
test

Specifications

:
Model: KF-16, 25, 40, 50
Length: 100mm-500mm
Materials: 304
Stainless Steel Application: Vacuum
Equipment Size: KF16, Inner
Diameter: 16mm;
Ferrule OD: 30mm KF25, Inner
Diameter: 25mm;
Ferrule OD: 40mm KF40, Inner
Diameter: 40mm;
Ferrule OD: 55mm KF50, Inner
Diameter: 50mm;
Ferrule OD: 75mm
Package Included: 1 X Vacuum Bellows