Piston pump, also known as electric reciprocating pump, from the structure is divided into single cylinder and multi-cylinder, which is characterized by high lifts. Suitable for conveying oil emulsion with no solid particles at room temperature. Used for oilfield, coal seam water injection, oiling, oil production; bore pressure hydraulic pump, hydraulic sand, fertilizer transfer ammonia and so on. Corrosive liquids can be delivered if the overcurrent unit is stainless steel. In addition, according to the structure of different materials can also be transported high-temperature tar, slime, high concentrations of mortar, high viscosity liquid. Piston pump schematic Piston pump reciprocating piston, making the pump chamber volume changes, to achieve the inhalation and discharge of liquid. By the pump cylinder, piston, inlet and outlet valves, water pipes, connecting rods and transmission components. Powered by reciprocating piston in the pump cylinder. When the piston moves upward, the inlet valve opens and the water enters the pump cylinder. At the same time, the water valve on the piston closes and the water in the upper part of the piston lifts upward with the piston. When the piston moves downward, the inlet valve closes and the valve on the piston opens , At the same time, the pressure in the lower chamber of the pump cylinder is raised to the upper chamber and rises into the outlet pipe, so that the water is continuously discharged and lifted so that the water is continuously discharged from the outlet pipe. Piston pumps are divided into single, double-acting; single, double, multi-cylinder type; lying, vertical, inclined; motorized, manual, pedal, animal type. Piston pump flow Q = 0.71 ~ 6000 m 3 / h, the discharge pressure P2 ≤ 39.2 MPa, in most cases P2 ≤ 24.5 MPa.
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