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简体中文Protection level of explosion-proof solenoid valves
The protection level of explosion-proof solenoid valves usually complies with international and regional explosion-proof certification standards. These standards provide detailed technical requirements and test methods for the use of equipment in hazardous environments. The main explosion-proof certification standards include:
International Electrotechnical Commission Explosion-proof Certification: IECEx standards provide certification for electrical equipment operating in explosive gas environments, covering the design, testing and quality control requirements of equipment. IECEx certification includes a variety of explosion-proof types, such as explosion-proof, intrinsically safe, etc.
EU Explosion-proof Directive: ATEX is the EU's requirements and certification for explosion-proof equipment, and the equipment must comply with the ATEX 2014/34/EU Directive. These requirements include the explosion-proof design, manufacture and testing of equipment to ensure its safe use in hazardous areas.
Key elements of explosion-proof level
Explosion-proof housing design: The housing design of the explosion-proof solenoid valve is the core of the protection level. The housing needs to have sufficient mechanical strength to withstand the potential internal explosion pressure and prevent the explosion gas from being transmitted from the inside to the outside. The shell is usually made of thick-walled metal materials, such as cast steel, stainless steel, etc., which can withstand the pressure generated by the explosion without breaking.
Sealing performance: In order to ensure the explosion-proof performance of the explosion-proof solenoid valve, the sealing of the shell is crucial. The shell joints and sealing materials must be precisely designed to prevent the explosion gas from leaking. Sealing materials such as fluororubber, polytetrafluoroethylene, etc. can maintain good sealing effects under high temperature and corrosive media.
Protection level: The protection level of the explosion-proof solenoid valve is usually required to reach IP65 or above to ensure that the equipment can still work normally in the case of dust and moisture ingress. The IP level identifies the device's protection ability against solid objects and liquids. The IP65 level means complete dust and water resistance, suitable for use in harsh environments.
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