VRT3 Adjustable Unloader Valves Trapped Pressure unloader valve – reduces pump pressure to zero but traps the line pressure in the high pressure hose 40 Lpm max flow 90°C rated water temperature Trapped pressure valve Brass & steel construction Blue cap/spring w/ regulator knob 3/8″BSPF inlet 3/8″BSPF outlet 3/8″BSPF bypass No gauge port Available in 3 types. Specification as follows: Colour Rating Order Code YELLOW 140 Bar / 2000 psi EX-28004 BLUE 220 Bar / 3200 psi EX-28006 BLACK 280 Bar / 4060 psi EX-28007
