A circumferential clamp and centering ring form the vacuum seal between the connecting flanges (please see top right figure - click to enlarge). 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 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of corrosive resistant stainless steel with Viton® O-Ring. Viton® is well known for its excellent resistance to heat (400°F/200°C) and to aggressive fuels and chemicals, which are belongs to ISO Vacuum Flanges & Components series, These Vacuum Fittings are made of corrosive resistant stainless steel.
KF Outer Ring, Centering Rings and O-rings with Screen Feature:
• Centering Ring: 304 S.S. or Aluminum (Other material available upon request)
• O`ring: Viton or NBR
• Outer Ring: Aluminum
• Mesh/Screen Material: SS304
• Overpressure Ring: SS304
• Size: KF16-KF160
• Vacuum range : 1×10-8 Torr
• Temperature range : 150 °C(Viton) / 80 °C(NBR)
• Standard: KF standards
• Color: Silver
▪ PMI test to verify material grade
▪ Dimension controlling during fabricating and finished
▪ Visual and surface 100% examination before shipment
▪ Packed in carton box firstly, then in wooden case
1. Any question and inquires will be responded within 24 hours.
2. Professional technical team support OEM/ODM service.
3. Feedback efficiently for the whole trading process.
4. 100% inspection before shipment.
5. We are a manufactor (Forging workshop and CNC machining workshop )
6. We can supply KF(NW) Vacuum Flanges & Components, ISO Vacuum Flanges & Components, CF Vacuum Flanges & Components, Flexible Bellows, Vacuum Fittings, Vacuum Valves, each products are tested well by our strictly Quality Control System.
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