ZB series high-voltage electric oil pump is high voltage, safety and high efficiency. It can be matched with various prestressed equipment, and used in the different works with the oil pressure as power. For example: matched with the suitable machines and devices, it can complete the elemental work such as propulsion, stretching, expansion, clamping, bending, jack-up, extrusion etc; and the engineer operation such as the crimping to conversion wire, rebar, reinforced concrete pile pilling, pile test etc. The oil pump can install safety valve, relief valve and way directional control valve according to your requirement. The oil pump is flexible to operate, convenient to use, safe and reliable. Model:ZB22/50a Rated pressure: 50kn Rated flow: 22(l/min) Net weight: 120kg Power: 3kw Volume: 60l Overall dimension: 740x450x1050.