Sanitary Diaphragm Pumps: The Ideal Choice for Food-Grade Pumping

Mar,24,2025

CONTENT [HIDE]

1.What is a Sanitary Diaphragm Pump?

2.Key Features of Sanitary Diaphragm Pumps

3.How Does a Sanitary Diaphragm Pump Work?

4.Sanitary diaphragm pump technical specifications

5.Applications of Sanitary Diaphragm Pumps in the Food Industry

6. Advantages of GODO sanitary diaphragm pumps

What is a Sanitary Diaphragm Pump?

A sanitary diaphragm pump is a specialized type of diaphragm pump designed for applications where hygiene and product purity are critical. Constructed from stainless steel, such as 304 or 316L, these pumps feature smooth, seamless surfaces to prevent product contamination. The diaphragm, which is the heart of the pump, isolates the pumped fluid from the mechanical components, ensuring product integrity.

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Key Features of Sanitary Diaphragm Pumps

  • Hygienic and safe: Made of food-grade stainless steel, the surface is smooth and easy to clean, and meets international hygiene standards such as FDA and EHEDG.
  • Strong self-priming ability: No need to fill water, the liquid can be directly pumped, suitable for various complex working conditions.
  • Dry operation safety: The diaphragm is in direct contact with the liquid, there is no mechanical seal, and the pump body will not be damaged even if it is dry-running.
  • Good corrosion resistance: Suitable for various acidic and alkaline liquids, with excellent corrosion resistance.
  • No pollution:The pump body material does not react with the material to ensure the purity of the conveyed liquid.
  • Adjustable flow: By adjusting the air source pressure or motor speed, the flow can be adjusted steplessly.

How Does a Sanitary Diaphragm Pump Work? 

A sanitary diaphragm pump operates by creating a vacuum on one side of the diaphragm, causing the fluid to be drawn into the pump chamber. As the diaphragm moves, the fluid is then forced out of the pump. This process is repeated continuously, providing a steady flow of fluid.

Sanitary diaphragm pump technical specifications

Pump Material  Stainless steel 304, stainless steel 316L
Capacity 48 – 568L/min
Pressure 4 – 8.4 bar
Port Size 1"/ 1.5"/ 2"/ 3"
Suction Lift 3 – 5.48 m
Max Head 40 – 84m
Max Solid Particle Size 2.5 – 6.4 mm
Noise Level 80 db

Application of sanitary diaphragm pumps in the food industry

Sanitary diaphragm pumps are widely used in the food industry, mainly including:

Transferring raw materials, mixing raw materials, transferring raw materials to packaging machine tanks or filling machines, transferring finished products, etc.

  • Transferring slurry foods: transferring ingredients, pumping chili sauce, ketchup, fish sauce, oil, milk, chili sauce, lotion, candy, ice cream, spice production lines...
  • Transferring liquid foods: transferring fish sauce, milk, oil, vegetable oil, olive oil, soy sauce, etc.
  • Beverage production pumps: pumping beer, soft drinks, wine, juice, wine...
  • Pharmaceutical pumps: transferring infusions, herbal extracts in drug production, drug solutions, liquid herbs...
  • Transferring chemicals: toothpaste, shampoo, shower gel...

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Advantages of GODO sanitary diaphragm pumps 

As a professional manufacturer of pump products, GODO's sanitary diaphragm pumps have the following advantages:

  • Excellent material: High-quality stainless steel is used to ensure the corrosion resistance and hygiene of the pump body.
  • Excellent design: Reasonable flow channel design reduces liquid retention and reduces the risk of contamination.
  • Stable performance: After rigorous testing, the performance is stable and reliable.
  • Perfect after-sales service: Provide professional pre-sales consultation and after-sales service.

Sanitary diaphragm pumps play an increasingly important role in the food processing and pharmaceutical industries. Its excellent performance and reliability make it an ideal choice for food-grade pumping. GODO sanitary diaphragm pumps have won the trust of customers with their excellent quality and perfect service.

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