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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.
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Tube fitting bulkhead union

Bulkhead Union - Duolok
Tube fitting bulkhead union

Bulkhead Union - Duolok
Tube fitting bulkhead union

Bulkhead Union - Duolok
Description N/A Duolok Bulkhead Bulkhead Union, 1/4 Tube Fitting x 1/4 Tube Fitting, Alloy 400 N/A Duolok Bulkhead Bulkhead Union, 3/8 Tube Fitting x 3/8 Tube Fitting, Alloy 400 N/A Duolok Bulkhead Bulkhead Union, 1/2 Tube Fitting x 1/2 Tube Fitting, Alloy 400
Body Material N/A Alloy 400
Connection 1 - Type N/A Tube Fitting
Connection 1 - Size N/A 1/4 in N/A 3/8 in N/A 1/2 in
Connection 2 - Type N/A Tube Fitting
Connection 2 - Size N/A 1/4 in N/A 3/8 in N/A 1/2 in
Shape N/A Straight
A N/A 2.27 in N/A 2.45 in N/A 2.80 in
Bx N/A 1.03 in N/A 1.16 in N/A 1.25 in
C N/A 0.70 in N/A 0.76 in N/A 0.86 in
D N/A 0.60 in N/A 0.66 in N/A 0.90 in
E N/A
G N/A 9/16 in N/A 11/16 in N/A 7/8 in
H N/A 5/8 in N/A 3/4 in N/A 15/16 in
T N/A 1/4 in N/A 3/8 in N/A 1/2 in
Specialty N/A Bulkhead
Ax N/A 1.32 in N/A 1.45 in N/A 1.65 in
B N/A 1.69 in N/A 1.87 in N/A 2.00 in
Maximum Panel Thickness N/A 0.40 in N/A 0.44 in N/A 0.50 in
Panel Hole Drill Size N/A 29/64 in N/A 37/64 in N/A 49/64 in
End Connections N/A TF x Tube Fitting
Production Category N/A 1
Handle Type N/A 0
Handle Color N/A 0

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