Pressure Regulator Valve BX421, BX427, MX450 & MX470 Stone Polishing Diamond Pads supplied with the PGUC-250 mount

supplied with the PGUC-250 mount

and it is worth being able to read it:

Either apply sealer directly to the surface and spread with the Styrofoam applicator or add a sealer to the Nylafoam backing on the tool and spread on the surface

per hour Injection Ports 2 x flushing ports Hose Compatibility 1

Optional Extension Bracket with Telescopic Handle

Pressure Regulator Valve BX421, BX427, MX450 & MX470 Stone Polishing Diamond Pads supplied with the PGUC-250 mountOverview Modified high pressure by pass valve. HydraMaster part number 000 169 083, listed as Valve, Hi PSI By Pass Modified and, in the suggested spares schedule, as valve, mod. hi pressure bypass. The by pass valve is what sets solution pressure. It holds the pump's output at the set point and dumps the excess back to the water box. Almost every pressure complaint on a truckmount comes back to this valve, the pump, or a restriction and the by pass