110*110 for 0.37-0.75kw, 170*170 for 1.1kw to 2.2kw ; pressure compensated valve as optional ; Power up / Gravity down( single action ) or Power up/ Power down ( double action)   ； Pressure 25bar to 100bar;   Flow rate : 1.5LPM to 6LPM;

IP68 protection and 60dB low noisy level .