1. A substitute for a health class self-priming pump

1. use the same type of health self - priming pump or pump oil that is similar in performance and similar to additive type.

2. the viscosity is equal, the substitute for the viscosity of the health class self-priming pump does not exceed the viscosity of the original oil ± 25% is suitable. In general, we should give priority to the pump oil with a slight viscosity.

3. quality to the high generation of low, that is, the selection of high quality and high quality self-priming pump for health, so that the equipment is smooth and reliable. At the same time, it can also extend the period of application and be economical in economy.

4. the proper selection of health class self-priming pump and the environment and working temperature of the equipment should be retained when using the substitute pump oil. The temperature change large mechanical equipment, better substitute oil viscosity temperature; on the low temperature of the machinery, alternative oil pour point lower than the temperature of 10 DEG C; and on the high temperature working machinery, to consider alternative flash oil should be higher, but also to meet the oxidative stability request.

Two. The blending yardstick of the health class self-priming pump

1. different kinds of brands, different consumer manufacturers, new and old pump oil in the ordinary condition should try to prevent mixed use.

2. in the following conditions, the health level self-priming pump can be mixed.

(1) the same quality of the same factory similar quality products, or high quality pump oil mixed with low quality pump oil is still used in the original machine equipment;

(2) the same brand products of the same factory can be used to adjust the physical and chemical properties of the pump oil, such as the viscosity of the pump oil.

(3) the correct selection of sanitary self-priming pump, pump oil of different types, if know two kinds of pump oil are mixed without additives, or one is not additive, or two oil additive but not mutual reaction, common to mix, but decrease the pump the quality of high quality oil. When the air pump oil is interchanged with other synthetic health Self-priming pumps, the pump should be dismantled as a thorough cleaning. All parts should be impregnated in the changed oil to prevent pollution.

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