Description
A Fire Hose Coupling Gasket That Stops the Leak at the Swivel
Product Overview
When a hose or hydrant connection weeps under pressure, the threads are rarely the problem: the gasket is. Fire hose threads seal on the rubber gasket inside the female coupling, so a cracked or flattened ring means a leak no amount of wrenching will cure. This 2-1/2" fire hose coupling gasket restores the seal without tools, right at the connection.
Key Features and Benefits
- Fits standard 2-1/2" fire hose couplings and hydrant adapters, including NPSH and Canadian hydrant thread styles.
- Rubber holds the compression connection after connection, so the joint seals hand-tight the way hose threads are meant to.
- At 0.25 lb, a spare rides in every tool kit and field repair bag.
- A pack of ten fire hose gaskets keeps the truck, the shop drawer, and the inspection kit stocked from one order.
When to Replace a Fire Hydrant Gasket
Pull the old ring and look at it during routine inspection. Cracks, flattening, or hardening mean the rubber has stopped springing back, and water leaking at a coupling under pressure is the classic sign.
Fire hydrant gasket replacement takes moments in the same visit, and a fresh ring brings the hydrant seal back.
One Gasket Across Couplings and Adapters
The same adapter gasket seals female fire hydrant adapters, which ship without gaskets, the mating side of male fire hydrant adapters, and the swivel couplings on 2-1/2" hydrant-threaded fire hose assemblies. One ring size covers the connection points a 2-1/2" water supply setup uses.
Specifications
| Specification | Detail |
|---|---|
| Fitting category | Fire hose fittings |
| Fitting type | Fire hose replacement gasket |
| Size | 2-1/2" |
| Fits | Standard 2-1/2" fire hose couplings and hydrant adapters |
| Material | Rubber |
| Weight | 0.25 lb each |
| Sold as | Each (G80G-250-01) or Pack of 10 (G80G-250-10) |
| Manufacturer part | G80G-250 |
| UPC | 882974172583 |
| Not suitable for | Systems requiring certified potable-water gaskets |
Buy Fire Hose Coupling Gaskets Online from Cleanflow
Cleanflow Utility Supply Company keeps 2-1/2" fire hose coupling gaskets in stock in Canada, alongside the hose, adapters, and hydrant tools they seal. Orders ship across Canada and the USA, and free shipping applies to most orders over $199. Exchanges are accepted within 30 days of purchase under the Cleanflow refund policy. Email info@cleanflow.ca with fitting questions.
Frequently Asked Questions
What fittings does this replacement gasket fit?
It fits standard 2-1/2" fire hose couplings and 2-1/2" hydrant adapters, including NPSH and Canadian hydrant thread styles. The gasket seats inside the female swivel, so the thread standard on the outside does not change the ring inside.
When should I replace a fire hose gasket?
Replace it when the connection leaks under pressure or the rubber shows cracks, flattening, or hardening. Many crews simply fit a fresh fire hydrant gasket at every routine inspection, since the part costs little and a failed seal costs a callback.
Is the gasket safe for potable water?
It is made for hydrant and firefighting service. Certified drinking-water gaskets are a separate class of part, so if your system requires potable-water certification, check the governing standard before using this ring.
How do I install a fire hose gasket?
Pry the worn ring out of the female coupling, wipe the seat clean, and press the new gasket in until it sits flat. No tools or sealant are needed, and the job takes moments per coupling.
Why does my fire hose coupling leak even when tight?
Because hose threads do not seal on the threads: they seal on the gasket seated in the female swivel. Overtightening cannot fix a cracked ring and can crush a good one. A new 2-1/2" gasket restores the seal that the threads alone cannot make.
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