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Maximizing Efficiency: Graco Piston Pump Technology Explained


Graco’s durable hydraulic and pneumatic piston pumps are perfect for handling the toughest inks and other fluids with a high viscosity. These transfer pumps have an enclosed, dual-seal wet cup design, so expect an extended lifespan. Our hydraulic piston pumps enable direct evacuation from bins, drums, and pails.

What is the purpose of a piston pump?


Gases can be compressed and liquids moved with piston pumps. They can function under a variety of pressure conditions. It is possible to operate at high pressure without negatively impacting the flow rate. Additionally capable of handling viscous media and media containing solid particles are piston pumps.

What distinguishes a gear pump from a piston pump?

For low-pressure applications (35 to 200 bar, or 507 to 2900 PSI), gear pumps are more cost-effective; for high-pressure applications, piston pumps are more effective. If you want a pump with a higher discharge rate, a piston pump is also a better choice.

Piston Pump’s Efficiency

A high-performance piston pump has a 92% efficiency rate when converting mechanical energy to hydraulic energy. When a piston motor is powered by a pump, it can efficiently transform hydraulic energy into mechanical energy with a 92% conversion rate.

Sturdy, High-Performance Piston Pumps

Graco piston pump are capable of effortlessly handling a wide variety of inks and high-viscosity fluids due to their elevated pump pressures and flow rates. These Graco-designed pumps are strong, dependable, and long-lasting for any printing or ink production application. Select from two dependable motor options: hydraulic or pneumatic. Both can produce high pressures to satisfy your manufacturing needs.

How does a piston pump operate?


Both plunger and piston pumps generate reciprocating motion along an axis using a mechanism, usually rotational, which builds pressure in a cylinder or working barrel to force fluid or gas through the pump. Both the suction and discharge points’ valves are activated by the pressure inside the chamber.

How does a Piston Pump for Water Operate?

An inlet, an outlet, and a cylinder with two chambers make up the piston pump. A piston travels through the interior of the cylinder, stopping at both ends. One chamber of the cylinder is filled with fluid as the piston moves, while another chamber is emptying.


Principal Components of a Piston Pump?

Every piston pump has three basic parts: an inlet and outlet valve, a crank, and a piston. The primary mechanism that permits the liquid to enter and exit through the valves is the piston.

 features of a pump with a piston?


A piston pump is a type of reciprocating positive displacement pump that draws fluid through a sealed cylinder using a piston or plunger. The fluid that is drawn into the piston pump through negative pressure as the plunger reciprocates is frequently directly immersed in the fluid at the pump’s fluid inlet.


Options for Pneumatic and Hydraulic Motors

Our pumps are offered in a variety of configurations to accommodate your specific applications. Our piston transfer pumps can be powered by a hydraulic or pneumatic motor. Each provides an impressive array of features and advantages.

Transfer Challenging Materials Easily

When others are unable to move extremely difficult materials with high abrasion, Graco’s powerful line of piston pumps can.


 Quick-Flo Pumps

Fast-Flo Air Operated Piston Transfer Pumps are made to provide a steady, smooth flow at air input pressures of up to 180 psi (12 bar, 1.2 MPa). For wall-mount siphon feed applications or drum transfer, stubby models and drum lengths are available.

Pumps for Transfers

Positive displacement priming piston pumps from Graco are capable of efficiently handling a wide variety of inks due to their increased pump pressures and flow rates. Senator Transfer pumps are robust, powerful, and dependable for a variety of printing or ink manufacturing uses.

Transfer Pumps, Viscount II 1200 and 3100 Series

Positive displacement priming piston pumps from Graco are capable of efficiently handling a wide variety of inks due to their increased pump pressures and flow rates. Senator Transfer pumps are robust, powerful, and dependable for a variety of printing or ink manufacturing uses.



Three Pump Lengths for a Wide Range of Applications

Our hygienic food pumps are available in three distinct lengths—drum, bin, and stubby—to accommodate a range of container sizes. Additionally, everyone has the same high-performance requirements.

Move Difficult Materials Easily

When other piston pumps are unable to move challenging materials, Graco’s powerful line of pumps can. Beverages, juices, and sauces with low to medium viscosity are best suited for fluid pressures of up to 83 bar (1200 psi).

Quick & Simple Cleaning Conserves Time

Quick knockdown lowers increase overall efficiency with their easy-to-clean sections and stainless steel construction, which resists corrosion.

Graco Drum Unloading Systems for Piston Pumps

Without diluting the product, Graco’s SaniForce drum unloaders can remove medium high-viscosity products from their original 55-gallon containers in less than five minutes. Building a system can be done with a great deal of flexibility thanks to the Graco systems’ modular design. With Graco’s options, you can customize your system to your liking. Choices consist of:


  • Carbon steel frames coated with epoxy or stainless steel


  • Enclosed or open controls made of stainless steel


  • A selection between two distinct diaphragm pumps or three distinct piston pumps


Graco’s robust hydraulic and pneumatic piston pumps are ideal for managing the most difficult inks and other viscous fluids. Because of their enclosed, dual-seal wet cup design, these transfer pumps should have a long lifespan. Direct extraction from bins, drums, and pails is made possible by our hydraulic piston pumps.


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