Brass Compression Fittings-Compression Union Supplier-Topa

Brass Compression Fittings

Brass Compression Union Fitting

Description:

The brass compression union fitting has three structures, the nut, the sleeve, and the body. It is used to connect pipes and tubes securely.

A brass compression union connects two tubes in a straight line using a fitting body, compression nuts, and sleeves. As each nut is tightened, the sleeve is compressed between the tube and the fitting body to form the connection.

Typically, compression union is used with copper, aluminum, and plastic tubing. And it is mainly used in low and medium-pressure environments.

If you have any questions about the brass compression tube fittings, feel free to ask.

Features and Benefits:

Straight union configuration: Connects two compatible tubes in a straight line.
Compression sleeve connection: The sleeve is compressed as the nut is tightened.
Brass construction: Body material is specified for the product series.
Multiple listed sizes: Select the part number according to the approved size table.

Description

Part #	Size	A	Hex	Approx. Wt. Lbs.
18-062	1/8”	0.64	0.31	0.03
18-063	3/16”	0.75	0.37	0.04
18-064L	1/4”	0.79	0.43	0.06
18-064	1/4”	0.81	0.43	0.06
18-065	5/16”	0.88	0.50	0.06
18-066L	3/8”	0.96	0.56	0.09
18-066	3/8”	0.98	0.56	0.10
18-067	7/16”	1.02	0.62	0.12
18-068L	1/2”	1.06	0.68	0.16
18-068	1/2”	1.25	0.68	0.16
18-069L	5/8”	1.43	0.81	0.24
18-069	5/8”	1.25	0.81	0.26
18-070	3/4”	1.41	1.00	0.35
18-071L	7/8”	1.03	1.12	0.34
18-071	7/8”	1.00	1.12	0.36

Brass Compression Union Video

This video shows the structure and details of the brass compression union, including the fitting body, nuts, and sleeves.

The union is designed to connect two compatible tubes in a straight line. Different part numbers correspond to different listed dimensions, so check the tube size and product specifications before selection.

For an OEM project, distributor order, or recurring purchase, send us the part numbers, tube material, operating conditions, and quantities required. Drawings or existing product references can also help us review your requirements.