To create a tight seal in vacuum conditions higher than 29. 9” Hg, these valves have ultra-high-vacuum tube fitting connections, which are also known as KF, QF, and NW fittings. They are often used in applications such as vacuum coating and heat treating, leak testing, and analyzing gases.

Also referred to as NW, QF, or DN flanges, KF flanges are ideal for quickly assembling vacuum systems thanks to their ease of use, maintenance, and reusability. We offer KF25 Flange Compression Fitting Adapters to quickly connect glass and metal pipes to …

These KF-25 Hinge Clamp 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.

Weld Socket Flange KF-25 Vacuum Fittings, ISO-KF Flange Size NW-25, for 1 inch OD tubing

BVV Premium Stainless Steel KF-25 to 1.5-inch Tri-Clamp Adapter - 304 Stainless Steel, 3A Sanitary High Polish, Leak-Proof Connection, Versatile Use - Ideal for Lab, Industrial & DIY Applications

这些理想真空光纤馈入件通过 kf-25 真空法兰安装。 多模阶跃折射率光纤具有低 OH、Ø100 µm 纤芯，能够在 400 - 2400 nm 波长范围内传输 1 W 光功率。 该光纤的数值孔径 (NA) 为 0.22，并在真空侧和空气侧均配备标准 SMA-905 连接。

To create a tight seal in vacuum conditions higher than 29. 9” Hg, these valves have ultra-high-vacuum tube fitting connections, which are also known as KF, QF, and NW fittings. They’re often used in applications such as vacuum coating and heat treating, leak testing, and analyzing gases.

These KF-25 bellow flex vacuum pump fittings follow ISO-KF standards and have a flange size of NW-25. Bellow hose are commonly used to build foreline vacuum plumbing and process systems. They are often called quick flange fittings because they are quick to assemble.

This KF25 vacuum ball valve acts as a high vacuum flange to adapt to any other KF25 pump or manifold and is made out of 304 stainless steel. Buy yours today.