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Unilok calibration unions are used to connect tube systems to pressure transmitters. SSP offers calibration unions with 1/4-28 UNF thread for Honeywell designs and 5/16-24 UNF and 5/16-24 UNF thread for Rosemont units.
Calibration fitting
Calibration Union - Duolk Tube Fitting
Unit of Measure
1 

Item #

CAD

Body Material

Connection 1 - Type

Connection 1 - Size

Connection 2 - Type

Connection 2 - Size

ISSU4CU1 N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 1/4 in N/A Calibration N/A 1/4-28 UNF
ISSU4CU2 N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 1/4 in N/A Calibration N/A 5/16-24 UNF
IHCU4CU1 N/A CAD Icon (for items table) N/A Alloy C-276 N/A Tube Fitting N/A 1/4 in N/A Calibration N/A 1/4-28 UNF
IHCU4CU2 N/A CAD Icon (for items table) N/A Alloy C-276 N/A Tube Fitting N/A 1/4 in N/A Calibration N/A 5/16-24 UNF
IMU4CU1 N/A CAD Icon (for items table) N/A Alloy 400 N/A Tube Fitting N/A 1/4 in N/A Calibration N/A 1/4-28 UNF
IMU4CU2 N/A CAD Icon (for items table) N/A Alloy 400 N/A Tube Fitting N/A 1/4 in N/A Calibration N/A 5/16-24 UNF
Unit of Measure
1