Positive Pressure Ventilation Duct φ800-10

📌 Positive Pressure Ventilation Duct φ800-10  Product Overview

The φ800-10 Positive Pressure Ventilation Duct (fabric size 2×3 meters) is specially designed for underground coal mine air supply systems. Made from high-strength, flame-retardant, and anti-static double-sided PVC-coated polyester fabric that meets coal mine safety certification requirements. The duct is formed by thermal bonding or high-frequency welding to ensure airtightness and mechanical durability.

With an 800mm diameter and 10-meter single-section length, this model suits main air supply routes or working faces with large airflow demands. The 2×3 meter fabric size facilitates transportation and onsite assembly, fitting most standard heading machine air outlets.

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✅ Positive Pressure Ventilation Duct φ800-10  Key Features

• Large φ800mm diameter designed for high airflow positive pressure ventilation

• Fabric cut size of 2×3 meters ensures structural stability and easy sewing & thermal sealing

• Flame-retardant and anti-static material compliant with coal mine safety standards

• Lightweight, flexible, and resistant to bending and compression, ideal for complex underground layouts

• Supports quick connection methods including zippers, hook-and-loop (Velcro), and steel rings

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📐Positive Pressure Ventilation Duct φ800-10  Technical Specifications

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📜Positive Pressure Ventilation Duct φ800-10  Applicable Standards

• MT/T 391-2012: Technical Conditions for Coal Mine Ventilation Ducts

• GB/T 20043-2015: Coated Fabric Ventilation Flexible Hose for Mines

Note: Manufactured strictly according to Chinese coal mine safety standards; no foreign standards applied.

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📦 Positive Pressure Ventilation Duct φ800-10  Supporting Services