2 - TCA spa

CONTENTSSECTION 12 - UNLOADING VALVESThis section contains a range of pump unloading valves both cartridge and bodied versions. Flowsup to 200 litres/min (52 US GPM) and pressures up to 350 bar (5000 psi). The bodied valves containcheck valves and an internal pilot. Ideal for accumulator systems.SELECTIONSECTION SERIES APPLICATION RANGE PAGE1UL60This valve will unload a pump to tankwhen a pilot pressure reaches thesetting. The valve also gives reliefprotection350 bar(5000 psi)60 litres/min(16 US GPM)12-1111PUL601PUL200This valve will unload a pump toanother system when a pilotpressure is reached. The valve alsogives relief protection350 bar(5000 psi)200 litres/min(52 US GPM)12-11112-1211UL65This valve contains a check and aninternal pilot line ideal foraccumulator circuits when the outletflow is dumped to tank350 bar(5000 psi)60 litres/min(16 US GPM)12-1121PUL651PUL250This valve contains a check and aninternal pilot line ideal foraccumulator circuits unloading thepump when the outlet flow isdiverted to a secondary circuit350 bar(5000 psi)200 litres/min(52 US GPM)12-11212-122121UL255Designed to be used in two pump,hi/lo circuits to unload the high flowpump at a low pressure and providehigh pressure reliefP1 = 50 litres @350 bar (5000 psi)P2 = 100 litres @350 bar (5000 psi)12-131Integrated Hydraulics LtdIntegrated Hydraulics IncCollins Road, Heathcote Ind. Est., Warwick, CV34 6TF, UK.7047 Spinach Drive, Mentor, Ohio 44060, USATel: +44 (0) 1926 881171 Fax: +44 (0) 1926 315729 Tel: (440) 974 3171 Fax: (440) 974 3170Website: www.integratedhydraulics.comWebsite: www.integratedhydraulics.com12-101.A