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These coupler
sockets were installed onto 5000 PSI hoses. The reason being
so that hoses of lower pressure ratings could not accidentally
be coupled to a 5000 PSI machine. The plug can be identified
by a V groove cut into the hex portion of the plug & socket.
The balls are larger than the standard coupler sockets. This
larger ball seating in the mating radius of the XHP plug resists
peening of the plug. This peening occurs when the gun trigger
is pulled and the pressure forces the plug against the coupler
balls. This peening is what destroys the coupler plug. This
socket is of the highest quality made with the body being
machined from brass & the sleeve from 316 stainless steel.
It is highly corrosive resistant.
The o-ring is made of Viton to withstand the higher pressures.
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