Centering Ring, aluminum

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Gemini™ MxG5xx

Sensor version
Ionization chamber
Emmision current
Flange connection to vacuum chamber
Switching function
Electrical connection
Digital interface
Analog output signal
Your configuration
Gemini™ MxG5xx
Switching functions
Electrical Connection
FCC, 8-pin
Digital Interface
Measurement range
1.2 - 8.68 V
Personal information
Gemini™ MxG5xx
Gemini™ MAG500
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INFICON ISO-K quality fittings are manufactured according to ISO 1609, DIN 28404 and Pneurop 6606. Our quality large diameter fittings are the standard vacuum components for all vacuum and high vacuum lines. The high quality INFICON fittings are designed and tested for leak rates less than 1 x 10-9 mbar l/s.


  • Competitively priced
  • World wide logistics
  • Design and measures follow strictly international respected standards
  • Surface finish, welds, material specifications and cleanliness meet or exceed high vacuum specifications
  • 2011/65/EU RoHS compliant


 Dimension ADimension BDimension CDimension D
DN63 ISO-K96 mm70 mm3.9 mm8 mm
DN80 ISO-K109 mm83 mm3.9 mm8 mm
DN100 ISO-K128 mm102 mm3.9 mm8 mm
DN160 ISO-K179 mm153 mm3.9 mm8 mm
DN200 ISO-K239 mm213 mm3.9 mm8 mm
DN250 ISO-K287 mm261 mm3.9 mm8 mm
DN320 ISO-K358 mm318 mm5.6 mm14 mm
DN400 ISO-K440 mm400 mm5.6 mm14 mm
DN500 ISO-K541 mm501 mm5.6 mm14 mm
DN630 ISO-K691 mm651 mm5.6 mm14 mm
DN800 ISO-K840 mm800 mm5.6 mm14 mm
DN1000 ISO-K1040 mm1000 mm5.6 mm14 mm

Inner/Outer ring: aluminum 6082
Seal: elastomer CR/FPM


Dimension Drawing

Dimension Drawing
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Part Number

Part NumberDescription
212-251Centering ring, DN63 ISO-K, Al/CR
212-091Centering ring, DN80 ISO-K, Al/CR
212-252Centering ring, DN100 ISO-K, Al/CR
212-253Centering ring, DN160 ISO-K, Al/CR
212-254Centering ring, DN200 ISO-K, Al/CR
212-255Centering ring, DN250 ISO-K, Al/CR
212-256Centering ring, DN320 ISO-K, Al/CR
212-257Centering ring, DN400 ISO-K, Al/CR
212-258Centering ring, DN500 ISO-K, Al/CR
212-259Centering ring, DN630 ISO-K, Al/CR
Part NumberDescription
212-261Centering ring, DN63 ISO-K, Al/FPM
212-092Centering ring, DN80 ISO-K, Al/FPM
212-262Centering ring, DN100 ISO-K, Al/FPM
212-263Centering ring, DN160 ISO-K, Al/FPM
212-264Centering ring, DN200 ISO-K, Al/FPM
212-265Centering ring, DN250 ISO-K, Al/FPM
212-266Centering ring, DN320 ISO-K, Al/FPM
212-267Centering ring, DN400 ISO-K, Al/FPM
212-268Centering ring, DN500 ISO-K, Al/FPM
212-269Centering ring, DN630 ISO-K, Al/FPM
212-270Centering ring, DN800 ISO-K, Al/FPM
212-271Centering ring, DN1000 ISO-K, Al/FPM
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