The classification standards for the protection level of solenoid valves are very strict. my country has introduced the classification standards for the protection levels of international solenoid valves since the 1980s. Drafted and formulated by the organization.
The system classifies equipment according to its characteristics such as dust and moisture resistance. The IP protection level is composed of two numbers. The first number indicates the level of the equipment and electrical appliances being separated from dust and preventing the intrusion of foreign objects. The second number indicates the degree of airtightness of the equipment and electrical appliances against moisture and water intrusion. The higher the protection level.
Solenoid valve 1st number:
0- means that there is no special protection for people or things in the outside world.
1- means to prevent the intrusion of solid objects > 50mm, prevent the human body (palm) from accidentally touching the internal parts of the electrical appliance, and prevent the intrusion of foreign objects > 50mm.
2- Indicates to prevent the intrusion of solid objects >12mm, to prevent the human body (finger) from accidentally touching the internal parts of the electrical appliance; to prevent the intrusion of foreign objects >12mm.
3- means to prevent the intrusion of solid objects > 2.5mm, and prevent the small foreign objects > 2.5mm from contacting the internal parts of the electrical appliance.
4- Indicates to prevent the intrusion of solid objects > 1.0mm, and prevent tiny foreign objects > 1.0mm from contacting the internal parts of the electrical appliance.
5- means dustproof, completely preventing foreign objects from intruding, and the amount of intruding dust will not affect the normal operation of the electrical appliance.
6- Indicates dustproof, completely prevents the intrusion of foreign objects, and can completely prevent the intrusion of dust.
Solenoid valve model 2nd digit:
0 - means no guard.
1- Indicates to prevent the intrusion of dripping water, and the water droplets dripping vertically will not cause harmful effects to electrical appliances.
2- Indicates that dripping water can still be prevented from intrusion when tilted 15, and dripping water will not cause harmful effects to the appliance when the device and electrical appliances are tilted 15.
3- Indicates to prevent the intrusion of sprayed water, rainproof, or to prevent damage to equipment and electrical appliances caused by the intrusion of water sprayed in the vertical direction < 60.
4- Indicates to prevent the intrusion of splashing water, and prevent the intrusion of water splashing in all directions into the equipment and electrical appliances to cause damage.
5- Indicates to prevent the intrusion of the water jetted from the jet, and prevent the water jetted from all directions from invading the equipment and causing damage.
6- Indicates to prevent the intrusion of large waves and prevent damage to the equipment and electrical appliances installed on the deck caused by the intrusion of large waves.
7- Indicates to prevent the intrusion of water when immersed in water. Equipment and electrical appliances are immersed in water for a certain period of time or under a certain standard water pressure to ensure that equipment and electrical appliances are not damaged due to water ingress.
8- Indicates to prevent the intrusion of water during submersion. The equipment and electrical appliances are submerged in a certain standard water pressure indefinitely, which can ensure that the equipment will not be damaged due to water ingress.
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