VB85 Unloader Valves Trapped Pressure unloader valve – reduces pump pressure to zero but traps the line pressure in the high pressure hose 1/2″ Female inlet, 1/2″ Female outlet 1/2″ Female By-pass, 1/4″ Female Pressure gauge port 30 Litres per minute @ 90°c maximum flow 2 Versions available: Description BAR / PSI Order Code WHITE Spring 150/2200 EX-28010 BLUE Spring 280/4000 EX-28011
