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Brand: KAYSEN
Origin: China
Certification: CE,FCA,SGS,3A
Packaging: CARTON BOX INSIDE WOODEN CASE
Productivity: 10000ton
Transportation: Ocean,Air
Place of Origin: China
Supply Ability: 10000ton
Certificate: CE,FCA,SGS,3A
HS Code: 7307230000
Port: Shanghai Port,Ningbo Port,Tianjin Port
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
ISO63-500 Aluminium Outer Rings mate ISO Flanges, including an ISO centering ring (SS304 or aluminium), Viton/NBR O-ring, and aluminium outer (retainer) ring. Available in sizes ISO63-ISO500 (special sizes on request), they belong to the ISO Vacuum Flanges & Components series. Made of corrosion-resistant stainless steel, these fittings are commonly used in foreline vacuum plumbing and process systems.
ISO63-500 Aluminium Outer Ring Feature:
• Centering Ring: 304 S.S. or Aluminum (Other material available upon request)
• O`ring: Viton or NBR
• Outer Ring: Aluminum
• 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.

Product Categories : Vacuum Components > Vacuum Centering Rings
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.