These KF Quick Clamp with Wing Nut Closure vacuum fittings follow KF standards and have different flange sizes from KF10 to KF50. 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. They are made of Aluminum. \n

Part No.	Size	Material	A	B	C
EV01030	KF10/16	Aluminium	63	42.5	16
EV01031	KF25	Aluminium	72	54	16
EV01032	KF40	Aluminium	90	70	16
EV01033	KF50	Aluminium	114	90	20