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KF to KF Fittings

The KF range of flanges and fittings are manufactured from high quality stainless steel. KF flanges utilize an aluminium clamp with a single wingnut fastener allowing frequent disassembly without tools.

The vacuum seal is effected by uniform applications of pressure by the clamp on the 15° surface of the flange. The mating flange surfaces compress on ‘O’-ring (held in place by a metal ring) to produce a seal that can used in vacuum applications down to 10-8 mbar and baked to 200°C (sustained to 150°C)

Advanced sealing material such as aluminium or copper may be used, when the joints have to be operated or baked at elevated temperatures or if high corrosion resistance and/or electrical insulation are required.

Our vacuum components are bead-blasted inside and outside, unless otherwise stated. The sealing faces are polished mechanically.

All components undergo a leak testing prior sales.


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KF10, Kf16, Kf25, KF40, Kf50, Stainless Steel Center Bracket + Fluorine Rubber Ring + Stainless Steel Outer Ring set.
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Features: 1. Soft, flexible, easy to bend, vibration absorbing 2. It has already passed the helium leakage test Specifications: Model: KF50 Materials: 304 Stainless Steel Application: Vacuum Equipment
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Specifications: Conflat Flange (CF) Flexible Coupling, Stainless Steel CF Flange Size: CF 3-3/8 inches, 9.84 inch Common Dimensions: Flange Size OD = 3.365" (L) Free Length for your choice: 250mm / 9.84" Application: Vacuum Equipment Package Contains: 1 PC Conflat Flange (CF) Flexible Coupling
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Product Name: KF Reducer Nipples ISO-KF Flange Size: NW-50 to NW-40 Common Dimensions: B =1.57" (40mm) Material: 304 Stainless Steel Package Content: 1 x Flange Adapter
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