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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.

Pressure Ratings
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.

Temperature Ratings
316 Stainless Steel: -325° F to +800° F (-200° C to +425° C)
Note: Intermittent use to 1200° F is possible, however prolonged exposure to temperatures over 800° F is not recommended.
HOKEChromatographyFitting
ColumnEndFittingforUsewithDropinFritDimDraw
Unit of Measure
Items HOKEChromatographyFitting
4FUM1-316
Column End Fitting (for use with drop-in frit)
HOKEChromatographyFitting
6FUM1-316
Column End Fitting (for use with drop-in frit)
HOKEChromatographyFitting
8FUM1-316
Column End Fitting (for use with drop-in frit)
HOKEChromatographyFitting
16FUM1-316
Column End Fitting (for use with drop-in frit)
Material N/A 316 Stainless Steel
T1 - Tube O.D. N/A 1/4 in ColumnEndFittingforUsewithDropinFritDimDraw.JPG N/A 3/8 in ColumnEndFittingforUsewithDropinFritDimDraw.JPG N/A 1/2 in ColumnEndFittingforUsewithDropinFritDimDraw.JPG N/A 1 in ColumnEndFittingforUsewithDropinFritDimDraw.JPG
T2 - Tube O.D. N/A 1/16 in
L N/A 1.57 in N/A 1.65 in N/A 1.93 in N/A 2.30 in
D N/A .020 in N/A .020 in N/A .030 in N/A .030 in
H1 - Hex Size N/A 9/16 in N/A 11/16 in N/A 7/8 in N/A 1 1/2 in
H2 - Hex Size N/A 1/2 in N/A 5/8 in N/A 13/16 in N/A 1 3/8 in
H3 - Hex Size N/A 1/4 in
E Min N/A .64 in N/A .72 in N/A .97 in N/A 1.31 in
F N/A 0.80 in