Zwirner Equipment Company carries a vast inventory of high quality stainless steel pumps from a variety of manufacturers. Our large selection of new and refurbished centrifugal pumps, positive displacement pumps, and more come standard with a new electric motor and can be shipped anywhere across the country.
The simple design of centrifugal pumps makes them easy to maintain and allows them to operate at a high efficiency. They have high flow rate capabilities and mixing potential.
The more complex design of PD pumps allows them to produce a consistent flow rate and operate at higher pressures. They are well suited for high viscosity products.
A pump is a device used for moving and transporting fluids. Fluids typically flow from areas of higher pressure to areas of lower pressure, but pumps allow us to control the direction of a fluid within a system. Pumps typically use reciprocating or rotary mechanisms, such as pistons, plungers, impellers, gears, or fans, to mechanically move the fluid through the system. Mechanical pumps can be submerged or placed external to the fluid they are pumping.
Pumps are commonly utilized throughout the automotive, medical, chemical, energy, oil, HVAC, agriculture, pharmaceutical, dairy, and food processing industries. They carry a wide range of applications, such as water supply, irrigation, air conditioning, chemical and wastewater movement, refrigeration, HTST pasteurization, and more.
There are several different types and classifications of pumps, but two of the most basic types are centrifugal and positive displacement pumps.
Centrifugal pumps are relatively simple in their design and work by using the kinetic energy of a motor to move liquids. They have a high flow rate and mixing potential and are most suitable for low-viscosity products such as water, milk or juice. Centrifugal pumps are quite small compared to other types of pumps and provide more flexibility for industrial or household use.
Positive displacement pumps move fluids by repeatedly enclosing a fixed amount and displacing that trapped volume through the system into the discharge pipe. They can operate at high pressures and at relatively low flows more efficiently than other types of pumps and are most suitable for high viscosity products such as cottage cheese, peanut butter or sour cream. Positive displacement pumps are typically more complex than other types of pumps, but they are better suited for applications that require high pressure outputs and accurate dosing.
There are many additional types of pumps that have specific industrial applications, such as piston pumps, double diaphragm pumps, vacuum pumps, progressive cavity pumps, and sugar pumps.
At Zwirner Equipment, we stock a large selection of stainless steel pumps. We specialize in reconditioning used pumps and are also a distributor of new pumps. The advantage of a refurbished pump is most notably the price, however, with our massive inventory of used pumps we can almost always provide a shorter lead time than purchasing new. Our standard pump reconditioning always includes all new seals and wear parts and inspection of all components to comply with factory specs. All reconditioned equipment is subject to test run prior to shipment. New motors are standard with all reconditioned pumps and come with a minimum 1 year warranty.
The experts at Zwirner Equipment have been helping customers find new and used processing equipment for over 30 years. With our large selection of high quality centrifugal pumps, positive displacement pumps, and more – we’re confident you’ll find the model that suits your needs. If you’re interested in learning more about our variety of pumps and other used equipment, fill out a form or give us a call today.
Need something to hold or move your pump around the shop? Zwirner Equipment can also provide you with a heavy duty utility cart or table. Check out our selection of stainless steel pump carts and work tables.Call Today