





SPTZ series vacuum oil coaters are suitable for spraying extruding fish, pet and similar products by vacuuming. This machine has the feature of adding small and large amounts of liquid to the raw material and producing a homogeneous product.






● Vertical low-energy input units ensure no shear during coating, minimizing material fragmentation;
● Liquid addition rate up to 22%, uniformity CV < 10%, breakage rate < 1.0%;
● Batch coating method with separate weighing of materials and fats ensures precise application and minimal oil loss;
● Entire coating process occurs in a sealed environment, eliminating dust and oil mist generation during production;
● External nozzle design facilitates easier cleaning and maintenance;
● Patented discharge slide gate valve features flexible operation, residue-free discharge, and excellent sealing performance;
● Key components utilize fully imported renowned brands, ensuring stable and reliable equipment performance;
● Control system features recipe storage and memory functions for simplified operation;
● Control system incorporates multiple safety alarms including airtightness detection, vacuum level monitoring, and misoperation protection;
● Capable of adding other ingredients: liquid vitamins, liquid amino acids, probiotic enzyme preparations, and other trace substances (liquid or powder).
|
Model |
Capacity (t/h) |
Power(kW) |
Design maximum negative pressure |
|
SPTZ1200 |
3~4 |
7.5 |
100mbar(absolute pressure, conversion gauge indication -0.9 bar) |
|
SPTZ2000 |
5~7 |
11 |
|
|
SPTZ3500 |
9~11 |
18.5 |
|
|
Note: Volume 350kg/m3. Liquid addition set at ≤22%. Liquid metering accuracy<0.4%, granular material metering accuracy<0.8%. |
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Liyang Yuda Machinery Co.,Ltd is China SPTZ series Vacuum oil Coater Manufacturers and SPTZ series Vacuum oil Coater Company . The company has introduced a complete set of world-class technology CNC laser cutting machines, automatic profile sandblasting equipment, automatic welding machines, large-scale shearing and bending equipment, CNC lathes, etc. Undertake various types and scales of complete turnkey projects for feed, including complete plant planning, design, equipment manufacturing, installation and commissioning, and personnel training.
Technology and quality are the life of YUDA; the company adheres to the business philosophy of "honesty and quality", strict quality control, relying on strong scientific research, "integrity, pragmatism, pioneering and innovative". "Intelligent" manufacturing is in a leading position in the domestic and foreign industries.


















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