There are many types of food grade water pumps in the market. So, what are the principles for customer to purchase a food grade transfer pump for their product or application? Generally speaking, Below 5 principles need to be .

Materials

As the pump is used for transfer food, beverages, drinking water that drink by customer. So, all the materials that directly contact with the fluids must be food safe material, otherwise its harmful to people’s health. Such as the material used for making pump impeller, shaft , pump body etc.

Pump Motor Type

You should choose a pump that driven by a brushless dc motor if you use the pump in household electrical appliances such as coffer maker, water dispenser etc. Which has high requirements on its work life span. Since the brushless motor with life span 10 times than that of Ac motor or brushed dc motor.

Save Cost

Calculate your requirements on the food grade water pump’s working voltage, water head and water flow etc, according to your application requirements. Then select the pump’s performance is enough competitive for your application that can save much cost than select a more powerful pump.

Work Condition

You must take environment temperature, working fluids into consideration for your application when choose a food grade diaphragm pump. You can’t choose a pump with max working temperature just 50 Centigrade degree for a application that requires 100 Centigrade degree working temperature.

Functional Requirements

You should choose a PWM, or Voltage Speed adjust way pump for your products or application if you have the needs on speed adjust.

Follow below notice when use a Food Hygiene Liquid Pumps

To let the actually working life span of the food grade pump reach its design working life span, there are following notice need to be when use the pump:

It is forbidden to idling(except for pump with idling protection function)

Prohibit the reverse connection the positive and negative poles (except for special customization)

Do not use it if there is any falling or severe vibration.

Do not use it pump liquid that contains impurities or magnetic particles.

Liquid temperature cannot be high than 80 ° C (except for high temperature models)

Do not use it pump acidic or alkaline.