Bellows Hose Metal KF-25, 4 Inch, Flex Coupling, ISO-KF Flange Size NW-25, 316 Stainless Steel

Advantages
①Leak detection for each bellows helium
②Professional high vacuum bellows
③Standard Stainless Steel 316 material (test report can be issued)
④Good quality and low price, high price, quality, speed and quantity
⑤Provide all models of bellows KF16-ISO200; Stainless Steel 316, fast non-standard customization. Welding process, stainless steel material.

These KF-25 Bellows hose vacuum fittings follow ISO-KF standards and have a flange size of NW-25. They are 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 . The centering ring contains a rubber elastomer o-ring. The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of corrosive resistant stainless steel.