ISO-KF Flanges

The ISO-KF flange system utilizes a single clamp system. This is an economical and reusable solution for rapid and frequent assembly and disassembly.

The ISO-KF flanges can operate in high vacuum environments to pressures in the range of 10-8mbar (10-8torr).

Blank Flange
  • HV rated to 10-8 mbar/torr
  • Bakeable
    • AluminSum to 200oC/390oF
    • 304 SS to 250oC/480oF
    • 316 SS to 400oC/750oF
  • Not Bakeable
    • Plastic
    • Brass
  • Clamp Fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Weld Flange
  • HV rated to 10-8 mbar/torr
  • Bakeable
    • 304 SS to 250oC/480oF
    • 316 SS to 400oC/750oF
  • Clamp fastened
  • ISO Compatible
  • Custom materials and sizes available upon request
  • Metric and imperial tube sizes available
Half Nipple
  • HV rated to 10-8 mbar/torr
  • Bakeable
    • 304 SS to 250oC/480oF
    • 316 SS to 400oC/750oF
  • Not Bakeable
    • Brass
  • Clamp Fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Metric and imperial tube sizes available
Half Nipple With Internal Tapering
  • HV rated to 10-8 mbar/torr
  • Bakeable to 250oC/480oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Half Nipple With External Tapering
  • HV rated to 10-8 mbar/torr
  • Bakeable to 250oC/480oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Full Nipple, 304 SS
  • HV rated to 10-8 mbar/torr
  • Bakeable
    • 304 SS to 250oC/480oF
  • Not Bakeable
    • Plastic
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Full Nipple, Aluminum
  • HV rated to 10-8 mbar/torr
  • Bakeable
    • Aluminum to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Aluminum bar stock creates better outgassing properties than cast Aluminum
Elbow
  • HV rated to 10-8 mbar/torr
  • Bakeable
    • Aluminum to 200oC/390oF
    • 304 SS to 250oC/480oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Available in 45o and 90o
  • Mitred Elbows in Aluminum
Elbow, Aluminum
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Manufactured from bar-stock
  • Aluminum bar stock creates better outgassing properties than cast Aluminum
Mitred Reducer Elbow, Aluminum
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Manufactured from bar-stock
  • Aluminum bar stock creates better outgassing properties than cast Aluminum
Tee
  • HV rated to 10-8 mbar/torr
  • Bakeable
    • Aluminum to 200oC/390oF
    • 304 SS to 250oC/480oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • POM is a plastic (polyacetal)
Tee, Aluminum
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Manufactured from bar-stock
  • Aluminum bar stock creates better outgassing properties than cast Aluminum
Reducer Tee, 304 SS
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Reducer Tee, Aluminum
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Manufactured from bar-stock
  • Aluminum bar stock creates better outgassing properties than cast Aluminum
4-Way-Cross, 304 SS
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
4-Way-Cross, Aluminum
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Manufactured from bar-stock
  • Aluminum bar stock creates better outgassing properties than cast Aluminum
Reducer Cross, 304 SS
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Reducer Cross, Aluminum
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Manufactured from bar-stock
  • Aluminum bar stock creates better outgassing properties than cast Aluminum
Straight Adapter, ISO-K to ISO-KF
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Connects ISO-K large flange to ISO-KF small flange
Conical Adapter, ISO-K to ISO-KF
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Connects ISO-K large flange to ISO-KF small flange
Reducer Nipple, ISO-KF to ISO-KF
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Conical Reducer, ISO-KF to ISO-KF
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Flanges with Pipe Thread, Male
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • The threads on these ISO-KF to male thread adapters are straight, imerial threads. These ISO-KF threaded male adapters can not be used in conjunction with NPT(National Pipe, Tapered) threads.
  • Available with and without o-ring
Flanges with Pipe Thread, Female
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • The threads on these ISO-KF to female thread adapters are straight, imerial threads. These ISO-KF threaded female adapters can not be used in conjunction with NPT(National Pipe, Tapered) threads.
  • Available with and without o-ring
Flanges with NPT Thread, Male
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Please note that the nominal diameter is not the actual diameter of the thread. See the table available by clicking "more info" for a reference
Swagelok Adapter
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
VCR Adapter
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Available in male and female thread
Flanges with NPT Threads, Female
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
  • Please note that the nominal diameter is not the actual diameter of the thread. See the table available by clicking "more info" for a reference
Hose Adapter
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Hose Adapter 90o
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Adapter for PVC Hose
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
PVC Hose

PVC hose with metal reinforcement spiral. Cut to length, price per meter.

Adapter/Feedthrough for tube
  • HV rated to 10-8 mbar/torr
  • Bakeable to 200oC/390oF
  • Clamp fastened
  • Elastomer o-ring sealed
  • ISO compatible
  • Custom materials and sizes available upon request
Stainless Steel Pipe

Cut to length, price per meter.

Protection Caps