Solenoid valve electrical selection

Voltage specification should be preferred AC220V, DC24 is more convenient.
According to the length of the continuous working time options: normally closed, normally open, or sustainable power
1, when the solenoid is turned on for a long time, and the duration of the extra time off should be used normally open.
2, if the open time is short or open and do not have much time off, then select normally closed.
3, but some conditions for security protection, such as the furnace, kiln flame monitoring, you can not select normally open, should be selected long-term power type.air cylinder manufacturers
Select the auxiliary function according to the environmental requirements: Explosion-proof, non-return, manual, water fog, water washout, diving
An explosive environment: to choose the corresponding proof grade solenoid valve (My company has: dII BT4 DII CT5, Ex m I / II T4).
2, when the tube fluid backflow phenomenon, you can choose I OK71-N, OK72-N Series with return function solenoid valves.
3, when the solenoid valve when the manual operation of the site, you can select solenoid valve with manual functions.
4, open-air installation or dust more occasions should be used in waterproof, dustproof varieties (protection class IP54).
5, for the fountain must be diving solenoid valve (protection class IP68).pilot valves