Union - Duolok
(62) Tube fitting unions are straight thread fittings that have two tube fitting end connections to connect two pieces of tubing in a straight run.
Reducing Union - Duolok
(89) Reducing unions are straight fittings connecting one larger tube and a smaller tube.
Bulkhead Union - Duolok
(48) Duolok bulkhead unions are straight tube fittings designed to pass through a bulkhead or cabinet wall. They have two equal size tube fitting end connections and an extended threaded body designed to be secured the fitting to a bulkhead or cabinet wall with a bulkhead nut.
Bulkhead Reducing Union - Duolok
(16) Bulkhead reducing unions are straight tube fittings that have unequall size tube fitting end connections and at threaded body designed to be secured in a bulkhead or cabinet with a bulkhead nut.
Union Elbow - Duolok
(61) Tube fitting union elbows have two tube fitting end connections to connect two pieces of tubing at a 90° angle.
Union Tee - Duolok
(59) Union Tees connect three peices of tubing of the same size in a tee pattern.
Reducing Union Tee - Duolok
(34) Reducing union tees connect three pieces of tubing where one or more pieces of tube are smaller than the largest tubing.