Metering pump has a lot of attachments, they are extremely important in the selection of, mechanical diaphragm metering pump manufacturer department building today small make up teach you choose metering pump accessories model is the correct way, hope can help to you.

How to select the diaphragm type pulse damper?

Diaphragm type pulse dampers is divided into upper and lower shell, the fluorine plastic diaphragm separating the middle layer, the buffer effect better relative to the air chamber, the biggest advantage is prefi lled gas and liquid in the pipe line is separate, more convenient maintenance, our company produces the PVC material pressure diaphragm type pulse dampers is 1.0 MPa, pressure endurance is 5 MPa, stainless steel diaphragm selection method of pulse dampers is each stroke volume number (in ml) multiplied by 10, which can reduce 90% minimum volume of pulse number.

How to select the back pressure valve?

1. The diameter of the back pressure valve is generally the diameter of the pump outlet;

2. The required pressure range;

3. What kind of material is needed? Generally, it is considered from the nature and temperature of the fluid transported. Conventional materials include: PVC, 304, 316, 316L stainless steel, carbon steel, etc.

4. Import and export connection mode, this general requirement is less. But in some systems, such as food and water production systems, certain lines may have special requirements for connection. Common connection is internal thread, flange, hose connection.