Variable vane pump manufacturers and suppliers Vdp-sf-12 Model : vdp-sf-12 Delivery at no load (l/min) : 1800rpm:12¡¢1500rpm:10 Pressure adjusting range (kgf/cm2) : 0 to 70 Shaft speed (rpm) : max:1800 ¡¢min:800 Pressure (kgf/cm2) : 70 Weight (kg) flange : 5 Packing:inside with a small box packaging, outside with a wooden box packaging Vane pumps; these hydraulic pumps have higher efficiencies than gear pumps, but are also used for mid pressures up to 180 bars in general. Unique shape and connection design , shorten the variable vane pump and cooling circulating pump length , small size , more compact shape. All alumium structure of the cooling pumps draw hydraulic oil tank , transported to the cooling system and returned to the tank , continuously loop, effectively lowering the oil temperature function. Weight (kg) flange : 5 Packing:inside with a small box packaging, outside with a wooden box packaging