Pneumatic Non-Pressure Air Door for Mining
This non-pressure air door is used in coal mines to balance pressure between intake and return roadways. Its design converts wind pressure into an internal force for easy opening, offering safety and convenience with minimal power.
Technical Specifications
Product Overview
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.
Key Features
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
Technical Specifications
Operating Modes
ManualAutomaticPneumatic
Safety Capabilities
- Smooth and safe closing mechanism
- Fire and harmful gas containment
- Interlocking capability
- Construction Materials
- SteelBamboo
