ISO Ring
ISO Ring
Sanitary Fittings

The ISO Rotatable Bolt Ring is a type of KF flange used in vacuum systems.  The ISO Split Retainer Ring is designed to secure ISO Rotatable Bolt Rings in place.  Its split design allows for easy installation and removal, making it a convenient and reliable choice for vacuum applications.  These rings are made of stainless steel 304 or 316L, with sizes ranging from ISO63 to ISO500.

Material： Stainless Steel 304, 316L
Size： ISO63 ~ ISO500
Vacuum Range： Down to 10-8 Torr

Available Parts：
ISO Rotatable Bolt Ring SS304
ISO Split Retainer Ring SS304
  • ISO Rotatable Bolt Ring SS304
    SS304 ISO Rotatable Bolt Ring
    Model No. A B C D P.C.D.
    IRBR-63 130 98.5 12 9x4 110
    IRBR-80 145 113.5 12 9x8 125
    IRBR-100 165 133.5 12 9x8 145
    IRBR-160 225 185.7 16 11x8 200
    IRBR-200 285 245.7 16 11x12 260
    IRBR-250 335 295.7 16 11x12 310
    IRBR-320 425 375.8 20 14x12 395
    IRBR-400 510 458.8 20 14x16 480
    IRBR-500 610 558.8 20 14x16 580
  • ISO Split Retainer Ring SS304
    SS304 ISO Split Retainer Rings
    Model No. A P.C.D.
    ISR-63 3 ISO63
    ISR-80 3 ISO80
    ISR-100 3 ISO100
    ISR-160 5 ISO160
    ISR-200 5 ISO200
    ISR-250 5 ISO250
    ISR-320 5 ISO320
    ISR-400 8 ISO400
    ISR-500 8 ISO500
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