Mueller Milk Coolers
Paul Mueller Company is an American manufacturer of milk cooling systems with over 70 years of experience. Margo distributes this brand's closed, automatic coolers — Models O and P — in capacities from 1,725 to 36,000 liters, with Milk Guard control.
Two Mueller Cooler Models
Model O
1,725–36,000 L, 26 sizes. Mueller's best-selling model — oval shape, large evaporator surface area, low energy consumption.
Model P
5,070–25,200 L, 9 sizes. Seamless outer casing and reinforced, adjustable profile legs.
Mueller Coolers on Farms




Model O
A compact, oval tank providing fast cooling with low energy consumption. Mueller Temp-Plate® cooling plates mounted in the lower part of the tank make use of the large oval-shaped evaporator surface.
- 26 sizes: 1,725–36,000 L
- Temp-Plate® cooling plates in the lower part of the tank
- Built-in stainless steel steps (O-700 models and larger)
- Digital temperature display
- Deep-cool cycle with automatic start
- 3.25" (DN80) stainless steel milk outlet with butterfly valve
- Automatic detergent dosing
- Automatic acid switchover
- Microprocessor-controlled wash cycles
- Control panel at the front of the tank, easy access
- Fully stainless steel — tank and control system
- LNE certification (compliant with French regulatory standards)
Model P
A tank with a seamless outer casing, on reinforced, adjustable profile legs that ensure even load distribution onto the floor.
- 9 sizes: 5,070–25,200 L (PC 5000 to P 24000)
- Digital temperature indicator
- 3.25" (DN80) stainless steel milk outlet with butterfly valve and cap
- Stainless steel housing for the control system, built into the tank
- Wash water level control
- Automatic detergent dosing and acid switchover
- Built-in Milk Guard functions
- Deep-cool switch, automatic cooling start
- Stainless steel wash pump mounted at the front
- LNE certification (compliant with French regulatory standards)
Milk Guard — Monitoring the Whole Installation
The integrated Milk Guard system, made entirely of stainless steel, monitors the tank's operation and warns of any deviations from normal values.
- Milk temperature monitoring
- Wash process control
- Cooling time control
- Agitator operation control
- Warnings when a deviation from normal is detected

Looking for a large Mueller silo for storing milk? See Mueller Silo Tanks (DSV line, 37,850–151,416 L). Looking for a different cooler brand? Also check out: Wedholms / Eurotanks, Serap, or Margo's own new milk coolers.
Request a Quote for a Mueller Cooler
We will help you select the model and capacity best suited to your herd size.
Request a Quote Call: +48 29 769 09 89