Explosion-Proof 3-Position Pneumatic Actuator
A 3-position pneumatic actuator can be utilized in explosion-proof environments, but several crucial factors must be considered to ensure safety and compliance.
Construction Materials
- Use stainless steel or brass for critical components
- Non-sparking alloys prevent ignition sources
- Housing and moving parts designed to minimize friction sparks
- Materials selected to withstand explosive atmospheres
Certifications
- ATEX certification for European markets
- UL Class I Division 1/2 for North America
- Factory Mutual (FM) approval for hazardous areas
- Zone classification based on environment type
Sealing & Enclosure
- Hermetically sealed enclosures
- Prevents ingress of explosive gases/dust
- Pressure-equalizing vent systems
- Maintains integrity under varying pressures
Installation & Maintenance
- Strict adherence to manufacturer guidelines
- Regular inspection for wear/damage
- Leak detection protocols
- Periodic certification verification
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