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Tube fitting unions are straight thread fittings that have two tube fitting end connections to connect two pieces of tubing in a straight run.
Tube fitting union
Union - Duolok
Unit of Measure
1 2 3 4 5 

Item #

CAD

Body Material

Connection 1 - Type

Connection 1 - Size

Connection 2 - Type

Connection 2 - Size

ISSD10U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 5/8 in N/A Tube Fitting N/A 5/8 in
ISSD12U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 3/4 in N/A Tube Fitting N/A 3/4 in
ISSD14U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 7/8 in N/A Tube Fitting N/A 7/8 in
ISSD16U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 1 in N/A Tube Fitting N/A 1 in
ISSD1U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 1/16 in N/A Tube Fitting N/A 1/16 in
ISSD20U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 1 1/4 in N/A Tube Fitting N/A 1 1/4 in
ISSD24U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 1 1/2 in N/A Tube Fitting N/A 1 1/2 in
ISSD2U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 1/8 in N/A Tube Fitting N/A 1/8 in
ISSD32U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 2 in N/A Tube Fitting N/A 2 in
ISSD3U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 3/16 in N/A Tube Fitting N/A 3/16 in
ISSD4U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 1/4 in N/A Tube Fitting N/A 1/4 in
ISSD5U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 5/16 in N/A Tube Fitting N/A 5/16 in
ISSD6U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 3/8 in N/A Tube Fitting N/A 3/8 in
ISSD8U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 1/2 in N/A Tube Fitting N/A 1/2 in
ISSDM10U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 10 mm N/A Tube Fitting N/A 10 mm
ISSDM12U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 12 mm N/A Tube Fitting N/A 12 mm
ISSDM14U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 14 mm N/A Tube Fitting N/A 14 mm
ISSDM15U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 15 mm N/A Tube Fitting N/A 15 mm
ISSDM16U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 16 mm N/A Tube Fitting N/A 16 mm
ISSDM18U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 18 mm N/A Tube Fitting N/A 18 mm
ISSDM20U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 20 mm N/A Tube Fitting N/A 20 mm
ISSDM22U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 22 mm N/A Tube Fitting N/A 22 mm
ISSDM25U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 25 mm N/A Tube Fitting N/A 25 mm
ISSDM3U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 3 mm N/A Tube Fitting N/A 3 mm
ISSDM4U N/A CAD Icon (for items table) N/A 316 SS N/A Tube Fitting N/A 4 mm N/A Tube Fitting N/A 4 mm
Unit of Measure
1 2 3 4 5