- A: 1.50 in / 38.1 mm
- B: 0.98 in / 25 mm
- C: 1.26 in / 32 mm
The flanges, or the vacuum flange fittings, are available in the following sizes KF10, KF-16, KF-25, KF-40, KF-50 with corresponding flange sizes NW-10, NW-16, NW-25, NW-40, NW-50.
The KF-40 to 1/8 NPT female pipe thread adapters are made out of stainless steel and are used to connect the ISO-KF flange with the male pipe. The KF 40 to 1/8 inch NPT-Female Adapter assemblies consist of two flanges, a centering ring, and an aluminum clamp. A uniform application of pressure on the clamp insures a vacuum seal. The mating flange surfaces compress the o-ring, which is held in place by a metal centering ring, to generate vacuum seal.
Please refer to Recommended Products Section at the bottom of this page to choose corresponding clamps and rings for your KF The KF-40 to 1/8 NPT Female Pipe Thread Adapter.
The KF to NPT Female Pipe Adapters are available in the following sizes:
NW 16 x 1/8 NPT
NW 16 x 1/4 NPT
NW 25 x 1/8 NPT
NW 25 x 1/4 NPT
NW 40 x 1/8 NPT
NW 40 x 1/4 NPT
NW 50 x 1/8 NPT
NW 50 x 1/4 NPT




Wholesale KF-40 Vacuum Bellows Hose, 6 Inch, ISO-KF Flange Size NW-40, Stainless Steel
Wholesale KF-40 Vacuum Bellows Hose, 4 Inch, Flexible Coupling, ISO-KF Flange Size NW-40, Stainless Steel
Glove Box Use Double Column Gas Purification
Michell Instruments Easidew Online Monitor
Honeywell North 8NLL3032/9Q Lead Loaded Neoprene Glovebox Glove
Wholesale KF-25 Vacuum Bellows Hose, 80 Inch, ISO-KF Flange Size NW-25, Stainless Steel
Leybold Fine Centering Ring Inlet Screen (0.8 mm), Splinter Guard, fits TURBOVAC with ISO-K DN 63 Flange. PN: 800133V0012
NEW Agilent Varian IDP-3 Dry Oil-Free Scroll Vacuum Pump NEW IDP3D01, 24 VDC
Edwards nEXT300D Compound Turbomolecular Vacuum Pump, 300 l/s, ISO-100 Inlet, 160 Watts, B82200100
Leybold Water Cooling Unit for TURBOVAC i Series Turbo Pumps, G 1/8 in. Connections. PN: 800135V0005
NEW BOC Edwards XDS35iC Corrosive Version Oil-Free Dry Scroll Vacuum Pump NEW A73006983
Blank Off Flange, KF 40 (NW 40), Brass
Leybold Start/Stop Switch for all TURBOVAC i Series Turbo Pumps. PN: 800110V0021
Edwards STP iXA4506C 5-axis Magnetic Bearing Turbo-Molecular Pump Corrosive, Profibus, VG350 Inlet
Leybold Fine Centering Ring Inlet Screen (0.8 mm), Splinter Guard, fits TURBOVAC with CF 4.5 in. Flange. PN: 800132V0012 

