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Pet Food Slurry Viscosity Heating using Direct Steam Injection

Flow Rate:
12 GPM [3 m³/hr]

Inlet Temperature:
50°F [10°C]

Discharge Temperature:
195°F [91°C]

Steam Supply Pressure:
105 PSIG [7.2 barg]









Pet Food Slurry Viscosity

A pet food processor division of a conglomerate manufacturer featuring 50 leadership brands wanted to improve their process at the spray bar of the extruder and needed to maintain the proper viscosity of the meat slurry. Another main objective was to implement sustainability initiatives per their corporate plan. 

At this location, an inefficient sparging system was in use that had trouble holding the proper water temperature. In addition, this system took up a lot of space and wasted energy. This company also needed better temperature control at the extruder for a more consistent product viscosity. 

Learn More About Replacing a Steam Sparger


A 1.0” EZ Heater® Skid System was installed to produce 195°F water at the spray bars of the extruder. The EZ Heater holds water temperature to within ±1°F assuring consistent and proper product quality. 

The viscosity of the meat slurry in the extruder produces proper kibbles with moisture levels within process parameters and the EZ Heater saves space. The sparge system took up 4 times as much floor space as the EZ Skid™ and needed more clearance for maintenance work. 

The company is pleased with the results as they positively affect their sustainability efforts. The energy required at the boiler for steam is 7% less than with the old system and the company is saving over $10,000/yr in energy costs. Also, maintenance at the sparge tank is no longer an issue and the peripheral equipment needs less attention because it is no longer damaged due to steam vibration

Explore Our Industrial Steam Heaters


• Maintain proper viscosity of meat slurry
• Implement sustainability initiatives
• Accurate temperature control
• Reduce footprint
• Decrease energy costs


• Improved product quality with consistent, uniform cook 
• Precise temperature control 
• Saving over $10,000/yr in energy costs 
• Successfully implemented sustainability initiatives 
• Reduced maintenance 

Discover the Benefits of Direct Steam Injectin

Are you interested in learning more about how Hydro-Thermal can help you? Contact us today!

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Hydro-Thermal is the global leader in the development and manufacturing of Hydroheaters. Through our vast global channel partners, we support hydro heating in six continents and all industrialized areas. We create heating systems for a variety of industries including: pulp, paper, chemical, ethanol, food & beverage, metal, & more!

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