The Quick Flange (QF) Half Nipple Long Weld Stub is made of corrosive resistant stainless steel. Quick Flange fittings are commonly used to build foreline vacuum plumbing and process systems. The fittings are quick to assemble with a circumferential clamp and centering ring forming the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). The centering ring contains a rubber/elastomeric o-ring. The standard sizes for quick flanges are KF10, KF16, KF25, KF40, and KF50 (NW10, NW16, NW25, NW40, and NW50). KF (Klein Flange) is the ISO (International Standards Organization) standard but is often called QF or NW.
Quick Flange Half Nipple Long Weld Stub
Flange Size ISO KF50 NW50 (KF-50 NW-50)
Common Dimensions: A = 1.58", B=2.00"
Please call (505) 872-0037 to place order or for more information.