Circle Valve Technologies Inc.
307 Derstine Ave, Suite 204
Lansdale, PA 19446

Toll Free:800-645-6733
Phone: 267-933-6300
Fax: 267-933-6305
Email: [email protected]
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HOKE Gyrolok tube fittings for use in gas or liquid chromatography applications are available in a variety of user-required configurations. HOKE’s Chromatography Fittings feature low dead volumes, male nut designs, as well as configurations utilizing either press-fit or drop-in frits. For user convenience, both frit versions are available in a number of micron sizes. By combining the needs of the Chromatography Fitting with key Gyrolok features, such as controlled ferrule drive, the HOKE Chromatography Fitting offers capabilities and performance that are unmatched in the industry.
Chromatography Fittings
Unit of Measure
Items Chromatography Fittings
4FUM1-316
Gyrolok® Column End Fitting 		Chromatography Fittings
6FUM1-316
Gyrolok® Column End Fitting 		Chromatography Fittings
8FUM1-316
Gyrolok® Column End Fitting 		Chromatography Fittings
16FUM1-316
Gyrolok® Column End Fitting 		Chromatography Fittings
2FRUM1-316
Gyrolok® Column End Fitting
Body Type N/A Column End Fitting (with drop in frit) N/A Column End Fitting (with drop in frit) N/A Column End Fitting (with drop in frit) N/A Column End Fitting (with drop in frit) N/A Column End Fitting
Fitting Configuration N/A Chromatography Fittings
Basic Part No. N/A FUM1 N/A FUM1 N/A FUM1 N/A FUM1 N/A FRUM
Body Material N/A 316 Stainless Steel
Tube Fitting Size N/A 1/4 in N/A 3/8 in N/A 1/2 in N/A 1 in N/A 1/8 in
Connection Size 2 N/A 1/16 in
Connection Type 2 N/A Tube Fitting
Operating Temperature N/A -200 to 425 ºC-200 to 425 ºF
Optional Materials N/A 600 - Inconel 6MO - 254 SMO D50 - Super Duplex 2507 DX3 - Duplex 2205 HC - Hastelloy® C-276 M - Monel TI - Titanium
Note N/A Intermittent use to 1200 °F is possible, however prolonged exposure to temperatures over 800 °F is not recommended.
Features & Benefits N/A Low Dead Volume
  • Accurate analysis and measurement

    Press-fit or Drop-in Frits
  • Filter elements can be ordered factory installed (press-fit) or for field installation (drop-in).
  • 4 micron sizes are offered as standard, other sizes can be provided.
  • Perform final filtering function for low volume fluids.
  • Press-fit frit design reduces internal volume

    Conical Diffusion Angle
  • Assures fluid contact over a greater surface, extending frit life while reducing unfiltered volume

    Male Nut Configuration
  • Reduced internal volume

    Fritless Configurations
  • For use with G.C. columns or L.C.’s with screens

    Controlled Ferrule Drive
  • Long product life with outstanding remakeability

    Interchangeability
  • Fittings are interchangeable with those of certain other manufacturers (consult factory)
    • Pressure Ratings N/A HOKE Gyrolok Chromatography fittings are rated for working pressures higher than the tubing recommended for use. Refer to HOKE’s Tubing Data Charts for specific information.
    Type N/A Tube Fittings