Common Dimensions: A= 30 mm(1.18 in), B= 17.20 mm(0.68 in), C= 9.40 mm(0.37 in), D= 12.70 mm (0.5 in), E= 40 mm(1.57 in), ISO-KF Flange Size: KF/NW-16 We fabricate these KF (QF) nipples (spools) for HV systems from tubing and KF flanges. The KF (QF) flange is used for through- or foreline vacuum plumbing and for simple HV chamber ports. KF flanges are a sexless design—made from 304 stainless steel. Half nipples feature one KF flange. They are commonly used to build foreline vacuum plumbing and process systems.We fabricate these KF (QF) nipples (spools) for HV systems from tubing and KF flanges.

These KF-16, Half Nipple Long Weld Stub fittings follow ISO-KF standards and have a flange size of KF-16. The KF (QF) flange is used for through -or foreline vacuum plumbing and for simple HV chamber ports. KF flanges are a sexless design—made from 304 stainless steel. Half nipples feature one KF flange. Vacuum Weld Sock Flange Half Nipple Long Weld Stub ISO-KF Flange Size: NW-16 Common Dimensions: A= 30 mm(1.18 in), B= 17.20 mm(0.68 in), C= 9.40 mm(0.37 in), D= 12.70 mm (0.5 in), E= 40 mm(1.57 in) Package Contains: 1 pcs Half Nipple Long Weld Stub