FLAME PROOF MICRO LIMIT SWITCH
“aline” Flame Proof Micro Limit Switch is a rugged and reliable position feedback device designed for hazardous industrial environments where explosion protection and accurate valve position monitoring are essential. Engineered for Pneumatic Actuators, Electric Actuators, Ball Valves, Butterfly Valves, Plug Valves, and Dampers, it provides precise OPEN and CLOSE position indication while ensuring maximum operational safety.
Manufactured with a heavy-duty flameproof aluminium enclosure, corrosion-resistant components, and high-quality micro switches, the ALINE Flame Proof Micro Limit Switch is suitable for use in explosive gas and dust environments. Its compact design, clear visual position indicator, and weatherproof construction ensure dependable performance even under the harshest operating conditions.
Designed in accordance with NAMUR and VDI/VDE 3845 mounting standards, the limit switch box allows quick installation on quarter-turn actuators and supports seamless integration with PLC, DCS, SCADA, and other industrial automation systems. It is widely used in Oil & Gas, Chemical, Petrochemical, Refineries, Offshore Platforms, Power Plants, Pharmaceutical, Water Treatment, Marine, Steel, and General Process Industries.
Product Features:
- Flame Proof Heavy-Duty Enclosure
- Accurate OPEN & CLOSE Valve Position Feedback
- High Visibility Dome Position Indicator
- Dual Precision Micro Switches
- Corrosion Resistant Aluminium Housing
- Weatherproof & Dustproof Construction
- Easy Installation on Pneumatic & Electric Actuators
- NAMUR & VDI/VDE Standard Mounting
- Low Maintenance Design
- Long Service Life
- Suitable for Hazardous Area Applications
Technical Specifications:
| Parameter | Details |
|---|---|
| Product Type | Flame Proof Micro Limit Switch Box |
| Enclosure Material | Die Cast Aluminium |
| Protection Class | Flame Proof / Weather Proof |
| Mounting Standard | NAMUR / VDI/VDE 3845 |
| Position Indicator | Dome Type OPEN / CLOSE Indicator |
| Switch Type | Mechanical Micro Switch |
| Number of Switches | 2 x SPDT Micro Switch |
| Cable Entry | 2 x 1/2″ NPT / M20 (Optional) |
| Operating Temperature | -20°C to +80°C |
| Suitable For | Pneumatic & Electric Actuators |
Standard Features:
- Flame Proof Industrial Housing
- Heavy Duty Aluminium Construction
- High Visibility Valve Position Indicator
- Dual SPDT Micro Switches
- Corrosion Resistant Finish
- Easy Electrical Wiring
- Compact and Robust Design
- Low Maintenance Operation
- Reliable Position Feedback
- Long Mechanical Service Life
Optional Features:
- Proximity Sensors (Inductive)
- NAMUR Sensors
- DPDT Switch Configuration
- Stainless Steel Fasteners
- Stainless Steel Mounting Bracket
- LED Visual Indicator
- Different Cable Entry Sizes
- Special Hazardous Area Certifications
Applications:
- Pneumatic Ball Valves
- Pneumatic Butterfly Valves
- Pneumatic Plug Valves
- Electric Actuated Valves
- Damper Automation
- Oil & Gas Industry
- Chemical Processing Plants
- Petrochemical Plants
- Refineries
- Offshore Platforms
- Water & Wastewater Treatment
- Power Generation Plants
- Marine Industry
- Pharmaceutical Industry
- Steel & Cement Industries
- General Industrial Automation