Mining Pressure Balance Air Door

This pneumatic non-pressure air door is engineered specifically for underground coal mining operations, particularly for connecting lanes between inlet and return roadways. By converting wind pressure into internal force through a specialized balance structure, the door allows for effortless opening regardless of wind direction or pressure intensity. Its robust design ensures reliable two-way air isolation, significantly reducing air leakage while enhancing operational safety and efficiency.

Core Advantages

• Low opening force independent of wind pressure and direction
• Two-way air isolation with minimal leakage
• Fire protection performance for belt transportation roadways
• Compatible with manual and automatic operation systems
• Supports mutual locking between two doors

Operating Modes

Safety Capabilities

• Smooth and safe closing mechanism
• Fire and harmful gas containment
• Interlocking capability