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

View items

Item #

Fitting Body Type

End Connection 1 Size

End Connection 2 Size

End Connection 2 Type

Operating Temperature
4FUM1-316 N/A Column End Fitting (with drop in frit) N/A 1/4 in N/A 1/16 in N/A Tube Fitting N/A -200 to 425 ºC-200 to 425 ºF
6FUM1-316 N/A Column End Fitting (with drop in frit) N/A 3/8 in N/A 1/16 in N/A Tube Fitting N/A -200 to 425 ºC-200 to 425 ºF
8FUM1-316 N/A Column End Fitting (with drop in frit) N/A 1/2 in N/A 1/16 in N/A Tube Fitting N/A -200 to 425 ºC-200 to 425 ºF
16FUM1-316 N/A Column End Fitting (with drop in frit) N/A 1 in N/A 1/16 in N/A Tube Fitting N/A -200 to 425 ºC-200 to 425 ºF
2FRUM1-316 N/A Column End Fitting N/A 1/8 in N/A 1/16 in N/A Tube Fitting N/A -200 to 425 ºC-200 to 425 ºF
4FRUM1-316 N/A Column End Fitting N/A 1/4 in N/A 1/16 in N/A Tube Fitting N/A -200 to 425 ºC-200 to 425 ºF
6FRUM1-316 N/A Column End Fitting N/A 3/8 in N/A 1/16 in N/A Tube Fitting N/A -200 to 425 ºC-200 to 425 ºF
2FRU1-316 N/A Reducing Union N/A 1/8 in N/A 1/16 in N/A Tube Fitting N/A -200 to 425 ºC-200 to 425 ºF
4FRU1-316 N/A Reducing Union N/A 1/4 in N/A 1/16 in N/A Tube Fitting N/A -200 to 425 ºC-200 to 425 ºF
6FRU1-316 N/A Reducing Union N/A 3/8 in N/A 1/16 in N/A Tube Fitting N/A -200 to 425 ºC-200 to 425 ºF
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