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These 303 stainless steel quick disconnects are the standard coupler for hydro excavation washdown hoses and guns. The locking sleeve keeps hoses from randomly disconnecting under pressure.
Washdown Hose Quick Disconnect Couplers Specifications
Material: 303 stainless steel
Operating pressure: 3,000 PSI
Burst pressure: 12,000 PSI
Thread: 1/2"-14
Options: 1/2" x 1/2" MNPT disconnect (G20188LM) or 1/2" disconnect (G20188L)
Washdown Hose Quick Disconnect Couplers Features
Locking sleeve for safety
Quick hookup on washdown hoses and guns
Common Uses for the Washdown Hose Quick Disconnect Couplers
Swapping guns, lances and nozzles without wrenches
Washdown and hydro excavation lines
How to Choose the Right Quick Disconnect Coupler
Rated to 3,000 PSI; your pump's maximum should not exceed it
Connection: 1/2"
Match plug and coupler from the same series
Compare every option in our High-Pressure Hose and Fittings collection.
Washdown Hose Quick Disconnect Couplers FAQ
What pressure is the Washdown Hose Quick Disconnect Couplers rated for?
Up to 3,000 PSI. Keep every part in the line rated at or above your pump's maximum pressure.
Which half goes on the hose?
Usually the female coupler (socket) goes on the hose and male plugs go on tools, so the hose stays connected while tools change.
Will different brands connect?
Only if they share the same interchange. Match plug and coupler from the same series to be safe.
Not sure which one fits your truck? Call 402-237-1914 (Mon to Fri, 7AM to 4PM) and talk to someone who has run the equipment.
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