Sanitary Pump Specifications
The improper choice of pump can lead to issues with surging, product waste and early component wear. We help you choose a pump that reduces operating costs, increases uptime, and improves line efficiencies.
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Types Of Sanitary Pumps
A sanitary pump is any kind of pumping system designed to process slurries or liquids through processing or piping systems while maintaining food-safe conditions.
Sanitary pumps can be ‘clean-in-place’ or ‘clean out of place’. These are typically abbreviated as CIPable or COPable.
The difference between the two is that a CIPable pump does not require disassembly to clean. CIPable tends to be higher in up-front cost (higher manufacturing and design standards) but much lower in long-term cost (due to no additional man-hours required for disassembly and reassembly during every cleaning cycle).
Most styles of sanitary pumps will be available in CIPable or COPable configurations.
Here is a shortlist of the most common Sanitary pumps:
- Centrifugal
- Positive Displacement
- Liquid Ring
- Inline Powder Mixing & Blending
- Persistaltic
- Twin Screw Pumps
- CIP’able
We also provide common industry pumps such as dedicated hot water pumps.
FAQs
What Makes a Pump Sanitary?
A pump is sanitary when it’s made of hygienic materials and is corrosion-resistant. Usually, the metal is stainless steel or high nickel alloy.
You cannot have any kind of ‘dead angle’ in the pump chamber that allows the product to accumulate.
If something needs high purity or is intended for human consumption, a sanitary pump will be used.
What is the difference between Sanitary Pumps and CIP Pumps?
A pump may be sanitary but not necessarily ‘CIP’able’, meaning you may have to clean it out of place, by taking it apart and cleaning it separately – it cannot be left in place while a cleaning solution is run through it.
Meanwhile, a CIPable pump is fully cleanable without disassembly. It remains in line during the cleaning process and does not require any type of disassembly to meet cleanliness requirements.
What are high-pressure Sanitary Pumps typically used for?
High-pressure pumps in the sanitary world do not exceed 300 PSI. Tri-clamps (which are critical in sanitary construction so that pipes can be removed and cleaned) can only handle roughly 140 PSI.
As a result, Sanitary plants are rarely built above 300 PSI.
There aren’t sanitary pumps that are designed to hit industrial high-pressure levels of 10,000 PSI (such as are commonly used in the oil and gas industry)
Which type of Sanitary Pump is most used in high-purity applications?
Usually, centrifugal pumps and PD pumps would be the most common types of pumps in sanitary plants, but application dictates the style of the pump. Specific to high-purity pharma designs, peristaltic pumps are also often used.
In pharmaceutical processing, it’s not uncommon to see these pumps handling critical process fluids.
It’s part of the process to ensure the best possible cleaning standards. This doesn’t always apply to food to the same standard.
The choice of pump mostly depends on the type of product you are working with. The product will dictate the type of pump being used
What are the industry standards for Sanitary Pumps?
Dave Erlebach, Intrinsic Organics
I work with DeJong Consulting because of his industry knowledge, drive and willingness to go the extra mile. Many consultants would prolong the problem to make extra money, but Michael does what it takes to get it done.
What are the main types of Sanitary Pumps?
Centrifugal Pumps
Centrifugal pumps are generally chosen for their ability to use centrifugal force to maintain a high rate of flow.
They are sought after to their ability to handle abrasive liquids well.
Centrifugal pumps have a great flow and handle food, pumping fluids, dairy/milk, and various other products.
Positive Displacement Pumps
A positive displacement pump is a right pump to use if you’re looking to process high viscosity fluids, any type of thick liquid, or slurry material, as often happens in the food industry.
These types of pumps are usually either a rotary pump or a reciprocating pump: the main difference is that the rotary uses cogs or gears to turn and pump the fluids, whereas the reciprocating pump does the same thing with a back and forth suction motion.
Very suitable for thicker, denser products.
Liquid ring
A liquid-ring pump is another type of rotating positive displacement pump, also considered a vacuum pump.
This pump has advantages to certain industries, specifically milk and dairy as well as the brewing industry.
Unlike other pumps, a liquid ring pump is able to handle flow and liquid products very well and also handles products with gas in them.
It is technically also a centrifugal pump, and the combination of the use of a vacuum with a liquid seal helps in these industries.
Liquid Ring Pumps help your production stay low cost, as you save on supply and enjoy lower waste.
It’s a quality centrifugal pump and a great return pump.
CIP’able pumps
What is a pump that is CIP’able? Simply put, it’s ideal for clean-in-place solutions that don’t require your system to be taken apart to clean it.
You don’t need spare parts and you don’t have to make a system centered around hygienic design, necessarily, with a CIP system.
You can save time cleaning, and a CIP system can serve you in a wide variety of industries. Not all sanitary pumps are CIP’able.
Inline Powder Mixing & Blending
Maceration is breaking food products or ingredients into softer pieces and chopping it down.
Inline Powder Mixing & Blending uses a blade that rotates at a fast speed to accomplish this, along with a few other moving parts.
Ideal for thicker materials, and is technically a type of rotor pump.
Not a form of gentle product handling.
Peristaltic Pump
This is another type of rotor pump that uses a gentler motion.
This makes it ideal for processing shear-sensitive products. It also works well for pumping foods with off-gas such as brewer’s yeast.
Both low viscosity fluids and any material suited for human consumption or use can be used here.
Hot Water Heat Pump
This is a type of pump that’s used for supplying commercial hot water.
These pumps stay efficient by supplying a constant flow of on-demand hot water, and by rotating the water in the pipes when not in use to prevent cold water lines.
Twin-Screw Pump
This is another positive displacement pump that rotates with two screws. It is ideal for setups with low inlet pressure.
This solves cavitation problems when processing foods such as processed cheese, peanut butter, meat, chocolate, and whipped toppings, where the lines may only be partially full.
Where other pumps may struggle with those products, the Twin-Screw pump is better suited.
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