Brass Hose Expansion Rings are used during hose coupling installation to help expand and support the hose jacket/liner for a proper, secure fit. They’re a simple but essential component for anyone who builds, repairs, or recouples fire hose—helping ensure the coupling seats correctly and the hose is properly prepared for assembly.
With multiple configurations available, you can choose the correct ring by hose size and application, including options for single jacket (SJ), double jacket (DJ), and rubber hose.
Key Features
Brass construction for durability and corrosion resistance
Helps expand and support hose during coupling installation
Ideal for hose repair, recoupling, and assembly work
Multiple sizes/lengths available to match hose type and construction
Options specifically listed for SJ, DJ, and rubber hose
How to Order
Select the correct hose diameter and ring length from the configuration list (examples: used on SJ, used on DJ, used on rubber).
Product Configuration
25mm (1") x 7/8" long - used on SJ or
25mm (1") x 25mm (1") long - used on rubber or
25mm (1") x 32mm (1.25") long - used on DJ or
38mm (1.5") x 19mm (0.75") long - used on SJ or
38mm (1.5") x 25mm (1") long - used on SJ or
38mm (1.5") x 32mm (1.25") long - used on DJ or
44mm (1.75") x 32mm (1.25") long - used for DJ or
50mm (2") x 32mm (1.25") long - used on SJ or
50mm (2") x 38mm (1.5") long - used on DJ or
65mm (2.5") x 38mm (1.5") long - used on DJ or
77mm (3") x 50mm (2") long - used on DJ or
100mm (4") x 50mm (2") long or
114mm (4.5") x 50mm (2") long or
125mm (5") x 50mm (2") long
Hose Expansion Rings
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