Listing of cataloged pumps by manufacturer
Listing of cataloged pumps by manufacturer
| Description of types of pumps Centrifugal Pumps - Most pumps are
centrifugal type that use a rotating impeller to add Horizontal Pumps - These pump are mounted in a horizontal direction with the motor. They may be centrifugal or positive displacement. They require a seal to prevent the pumping solution from leaking past the rotating shaft. Shaft sealing can be of packing, mechanical seal, or magnetic driven. Vertical Pumps - These pumps are mounted in a vertical direction -- usually in or over the supply tank. The shaft sealing is normally a restrictive bushing that will limit the leakage up the shaft or may use a second impeller (expeller) to prevent solution migration up the rotating shaft. Magnetic driven - seal-less pumps are also available in this type of pump. Submersible Pumps - These
pumps are mounted in the tank with the solution. The motor is normally contained in
an oil filled cavity that is protected for contact with the liquid by a lip or mechanical
seal. They can be Positive Displacement - This type of pump uses a mechanical force to push the liquid through and out of the pump. Rotating gears, reciprocating pistons or diaphragms are the most common type. Pressure will be rated in PSI (pounds per square inch). This type of pump is suitable for higher viscosity liquids or when pressure requirements are high. Pumps are designed for may different special applications. Pumps are constructed of metal or thermoplastics suited for their abilities to handle corrosive chemical or solution process temperatures. There are special designs for most unusual applications -- Pump designs will incorporate the service conditions of the application and will be balanced with pump efficiency, pump service life, corrosion resistance, manufactured cost and physical size. Let us help you in your selection process to obtain the
features and benefits that are most important for your application. |
| Centrifugal Pumps -
Horizontal and vertical for transfer applications
Horizontal Mechanical Sealed Pumps -
Vertical Sealless Centrifugal Pumps
Centrifugal - For sump applications - submersible
Centrifugal - For transfer from containers and drums
Centrifugal - Gasoline Engine Powered
Positive Displacement - For chemical metering
applications
Positive Displacement - For transfer applications
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velocity to the liquid being
pumped. Within the pump, the velocity of the liquid is generated by centrifugal
force. The velocity of the solution is converted with internal
restrictions within the pump into pressure. Pressure is usually rated in feet
of head for centrifugal pumps. This type of pump is used for liquids
that are water like in viscosity (thickness), when quantities of flow are large compared
to the pressure requirements.
designed
to pump large solids or grind solids to smaller sizes, transfer waste water at large
flow rates or high pressures, or just pick up water off the floor or the bottom of a tank.
Often called sump pumps, they usually incorporate a float valve to automatically
stop when the liquid level is low. Most submersible pump are centrifugal type.
