What parameters do you need to choose the right solenoid valve correctly?

The necessary parameters for the selection of the solenoid valve:

1. According to the parameters of pipeline, solenoid valve is selected: diameter specification (DN) and interface mode.

1, determine the diameter (DN) size according to the size of the pipe inner diameter or the flow requirement.

2, interface mode, general DN50 to choose flange interface, DN50 can be freely selected according to user needs.
Explosion-proof solenoid valves
Two. Selecting solenoid valves according to fluid parameters: material and temperature groups.

1, corrosive fluids: corrosion resistant solenoid valves and all stainless steel solenoid valves should be chosen; edible ultra clean fluids: food grade stainless steel solenoid valves should be selected.

2. High temperature fluid: choose solenoid valves made of high temperature electrical materials and sealing materials, and choose piston type.

3, fluid state: large to gaseous, liquid or mixed state, especially when the diameter is greater than DN25, ordering must be distinguished.

4, fluid viscosity: usually below 50cSt can be arbitrary choice, if this value is exceeded, it is necessary to use high viscosity solenoid valve.

Three. Voltage selection: AC220V and DC24 should be preferred as far as voltage specifications are concerned.

Four. Selecting the solenoid valve according to the pressure parameter: principle and structure variety.

1. Nominal pressure: this parameter is the same as that of other general valves, according to the nominal pressure of the pipeline.

2, work pressure: if the work pressure is low, the principle of direct motion or step direct movement must be selected; the minimum working pressure difference is directly operated, the step direct movement and the pilot can be selected when the pressure difference is above 0.04Mpa.
Stainless steel solenoid valve
Five, according to the length of working hours to choose: normally closed, often open, or sustainable power.

1, when the solenoid valve needs to open for a long time, and the continuous time should be used, the closing time should be normally open.

2, if the opening time is short or the time of opening and closing is not enough, then the normally closed type is chosen.

3, but some of the working conditions for safety protection, such as furnace and kiln flame monitoring, can not be selected normally, and should be selected for long term electricity.