These ISO-K centering rings with mesh are used for mating ISO flanges and include both the ISO centering ring in SS304 or Aluminium and Viton or NBR o-ring These centering rings with screen mesh are useful in many situations in which a vacuum system or instrument needs to be protected from contamination by particulate generated from outside the system or from within. They are commonly used to build foreline vacuum plumbing and process systems. They are often called quick flange fittings because they are quick to assemble. 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.
ISO 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: ISO63 ~ ISO500
• Vacuum range : 1×10-8 Torr
• Temperature range : 150 °C(Viton) / 80 °C(NBR)
• Standard: KF standards, ISO 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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