IP code

IP code is an international standard for Ingress Protection, against dust, water, and other accidental contacts. A IP code comprises of 2 digits and optional letters. First digit represents solid particle protection, and second digit represents liquid ingress protection. Optional letters defines protection against access by a person.

First Digit – Solid Particle Protection

Level Object Size Protected Against
0 No protection
1 > 50mm
2 > 12.5mm
3 > 2.5mm
4 > 1mm
5 Dust Protected
6 Dust Tight

Second digit – Liquid Ingress Protection

Level Object Size Protected Against
0 No protection
1 Dripping water
2 Dripping water when tilted up to 15°
3 Spraying water
4 Splashing of water
5 Water jets
6 Powerful water jets
7 Immersion up to 1m
8 Immersion 1m or more

Majority of HQC Tools Solenoid Valves are rated IP65, which means they are protected dust and water jets from any direction. An IP65 rating is equivalent to a NEMA 4 rating.