Sanitary Pumps are used to transport and meter solutions, slurries, and colloids of food and agricultural materials in operations such as food processing and other processes that require utmost cleanliness and hygiene.
There are four basic types of sanitary pumps:
- Centrifugal Pumps
- Positive Displacement Pumps
- Jet Pumps
- Airlift Pumps
- Centrifugal pumps apply centrifugal force to generate velocity, use rotating impellers to increase velocity, and push fluids through an outlet valve.
- Positive displacement pumps use rollers, gears, or impellers to move fluid into a fixed cavity so that when liquid exists, the vacuum that is created draws in more fluid.
- Jet pumps force fluid through a nozzle, converting the fluid’s energy into velocity energy.
- Airlift sanitary pumps mix air or gas with the liquid media so that the air-liquid mixture, with a lower specific weight than the liquid, rises in the pipe and is discharged above the level of the liquid.
What are the salient features of the Sanitary Pumps
Sanitary pumps are available with a variety of features. Adjustable speed pumps can operate at speeds selected by an operator while continuous duty pumps maintain performance specifications at 100% duty cycle. Run dry capable pumps can operate without pumped fluid or external lubrication for an extended period of time.
Some wastewater pumps include a backup battery, grinding mechanism, pressure gauge, control panel, level control device, thermal overload protection, strainer, filter, or suction. Other wastewater pumps are belt-driven, close coupled, explosion-proof, frame mounted, hygienic, jacketed, seal-less, self-priming, portable, or are configured to pump sticky or stringy materials. Multistage, reversible, plug-in, and wash-down duty capable devices are also available. Sanitary pumps can move media either vertically or horizontally, depending on the direction of the pump stator/rotor assembly.
Applications of Sanitary Pumps
Sanitary pumps are used in a variety of commercial and industrial applications. Examples include agriculture and horticulture, brewery and distillery, dairy, food processing, food service, medical, municipal, OEM supply, and pharmaceutical and biotechnology applications.
The Types of Pumps In Different Industries Based on Their Applications
- Centrifugal Pump – Centrifugal pumps consist of a set of rotating vanes, enclosed within a housing or casing, that are used to impart energy to a fluid through centrifugal force.
- Condensate Pumps – Condensate pumps are used to collect and transport condensate back into a steam system for reheating and reuse, or to remove unwanted condensate from an HVAC or appliance collection pan.
- Diaphragm Pumps – Diaphragm pumps use a diaphragm that moves back and forth to transport liquids from one place to another.
- Gear Pumps – Gear pumps use inter-meshing gears to pump various types of liquids. Typically, one gear is the driver and the other is free wheeling. The gears have very tight tolerances so that the fluid being pumped cannot pass through them. Common uses for gear pumps include high pressure, metering, and flow control applications.
- Screw Pumps – Screw pumps are rotary, positive displacement pumps that have one or more screws to transfer fluids or materials along an axis. It is mostly used for Viscous products having viscosity more than 500 cp.
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