MR
The MR range of pumps is specifically designed for pumping liquids that contain air or gas.These pumps are most commonly used for CIP return applications in the food, dairy, beverage and pharmaceutical industries.
The MR has a unique construction which makes it perfectly suited to pump liquids with entrained gases. The MR is a well proven Alfa Laval technology that is highly suited to these applications.
The most common application for the MR is CIP return. This application contains is a mix of liquid and gas which needs to be pumped where standard pumps have difficulty.
Made from AISI 316L stainless steel and has a robust, heavy duty design which results in a long life.
Available in 4 models MR 166S,185S, 200S and 300. The range can pump up to 80 m3/Hr and pressure of up to 5.3 bar. The MR features an "External" mechanical seal for maximum hygiene and one seal can fit up to 3 models thus reducing spare parts holding.
The pump is available with both IEC and NEMA standard motors and has CE and 3A certification.
Product benefits
- Unique construction suited to pump liquids with entrained gases
- CIP return application
- Pump up to 80 m3/Hr and pressure of up to 5.3 bar
Alfa Laval LKH Prime
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How it works
Understanding how liquid ring pumps work is key to understanding the efficiency of MR pumps. Like the Alfa Laval LKH and SolidC pump ranges, MR liquid ring vacuum pumps operate on centrifugal force. However, in the MR design, fluid is not directed into the peripheral wake or volute casing, but into channels on either side of the impeller, on the front and back plates of the pump.
This volume is then automatically reduced at the discharge port, creating pressure and forcing liquid out, thus providing the pumping action.
A proportion of the centrifuged liquid is retained around the periphery and re-circulates, forming a "liquid ring" that is used to maintain the prime.
The combination of expansion and contraction of volume, centrifugal force and liquid ring construction increases the permissible gas content in the fluid being pumped. This in turn makes this type of pump particularly suitable for fluids with entrained gases.
Part of a broad pump range
Alfa Laval offers a comprehensive range of pumps intended for hygienic applications in the dairy, food, beverage, home care and personal care.
Food Logic
Alfa Laval's hygienic equipment combines high performance with gentle handling to preserve sensitive ingredients. Keeping up with the food industry trends and addressing four key challenges; supplying food products to consumers at a competitive price, getting the most from raw materials, reducing waste and emissions, and delivering safe and hygienic food products.
Product catalogue
Alfa Laval's hygienic equipment product catalogue "Close at hand" includes product leaflets, performance curves, links to animations, brochures and price lists for ordering purposes.
CAD portal
Download the product models in Neutral or Native CAD file formats. It is also possible to download 3D PDF files.
Animations
Visit the animations site and take a look inside a product to see and understand how it works.
Pumps
Ten top tips: Alfa Laval LKH pump range
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