The power from the drive is proportional to the capacity of the pump.Seals are an integral part of piston pumps and plunger pumps to separate the power fluid from the media that is being pumped.Ī stuffing box or packing is used to seal the joint between the vessel where the media is transferred and the plunger or piston. The capacity of the piston pumps and plunger pumps can be calculated with the area of the piston or plunger, the number of pistons or plungers, the displacement of the stroke, and the speed of the drive. The volume of the fluid discharged is equal to the area of the plunger or piston. Piston pumps are used in lower pressure applications. Plunger pumps are used in applications that could range from 70 to 2070 bars. The pressure in the chamber actuates the valves at both the suction and discharge points. Piston pumps or plunger pumps use a cylindrical mechanism to create a reciprocating motion along an axis, which then builds pressure in a cylinder or working barrel to force gas or fluid through the pump. Piston pumps and plunger pumps are also called well service or high viscosity pumps. ![]() ![]() The plunger or piston is actuated by a steam powered, pneumatic, hydraulic, or electric drive. Piston or Plunger Pumps are reciprocating pumps that use a plunger or piston to move media through a cylindrical chamber.
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