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To connect two or more tubes together.
BU Bulkhead Unions
Unit of Measure
1 2 

Item #

Body Material

Tube Fitting Size

Connection Size 2

Connection Type 2

Type

4BUBRMM N/A Brass N/A 4 mm N/A 4 mm N/A Tube Fitting N/A Tube Fittings
6BUBRMM N/A Brass N/A 6 mm N/A 6 mm N/A Tube Fitting N/A Tube Fittings
8BUBRMM N/A Brass N/A 8 mm N/A 8 mm N/A Tube Fitting N/A Tube Fittings
10BUBRMM N/A Brass N/A 10 mm N/A 10 mm N/A Tube Fitting N/A Tube Fittings
12BUBRMM N/A Brass N/A 12 mm N/A 12 mm N/A Tube Fitting N/A Tube Fittings
14BUBRMM N/A Brass N/A 14 mm N/A 14 mm N/A Tube Fitting N/A Tube Fittings
15BUBRMM N/A Brass N/A 15 mm N/A 15 mm N/A Tube Fitting N/A Tube Fittings
16BUBRMM N/A Brass N/A 16 mm N/A 16 mm N/A Tube Fitting N/A Tube Fittings
18BUBRMM N/A Brass N/A 18 mm N/A 18 mm N/A Tube Fitting N/A Tube Fittings
20BUBRMM N/A Brass N/A 20 mm N/A 20 mm N/A Tube Fitting N/A Tube Fittings
22BUBRMM N/A Brass N/A 22 mm N/A 22 mm N/A Tube Fitting N/A Tube Fittings
25BUBRMM N/A Brass N/A 25 mm N/A 25 mm N/A Tube Fitting N/A Tube Fittings
3BU316MM N/A 316 Stainless Steel N/A 3 mm N/A 3 mm N/A Tube Fitting N/A Tube Fittings
4BU316MM N/A 316 Stainless Steel N/A 4 mm N/A 4 mm N/A Tube Fitting N/A Tube Fittings
6BU316MM N/A 316 Stainless Steel N/A 6 mm N/A 6 mm N/A Tube Fitting N/A Tube Fittings
8BU316MM N/A 316 Stainless Steel N/A 8 mm N/A 8 mm N/A Tube Fitting N/A Tube Fittings
10BU316MM N/A 316 Stainless Steel N/A 10 mm N/A 10 mm N/A Tube Fitting N/A Tube Fittings
12BU316MM N/A 316 Stainless Steel N/A 12 mm N/A 12 mm N/A Tube Fitting N/A Tube Fittings
14BU316MM N/A 316 Stainless Steel N/A 14 mm N/A 14 mm N/A Tube Fitting N/A Tube Fittings
15BU316MM N/A 316 Stainless Steel N/A 15 mm N/A 15 mm N/A Tube Fitting N/A Tube Fittings
16BU316MM N/A 316 Stainless Steel N/A 16 mm N/A 16 mm N/A Tube Fitting N/A Tube Fittings
18BU316MM N/A 316 Stainless Steel N/A 18 mm N/A 18 mm N/A Tube Fitting N/A Tube Fittings
20BU316MM N/A 316 Stainless Steel N/A 20 mm N/A 20 mm N/A Tube Fitting N/A Tube Fittings
22BU316MM N/A 316 Stainless Steel N/A 22 mm N/A 22 mm N/A Tube Fitting N/A Tube Fittings
25BU316MM N/A 316 Stainless Steel N/A 25 mm N/A 25 mm N/A Tube Fitting N/A Tube Fittings
Unit of Measure
1 2