Negative Pressure Ventilation Duct φ1000-10

Negative Pressure Ventilation Duct φ1000-10

Negative Pressure Ventilation Duct φ1000-10 Product Overview

The Mining Negative Pressure Duct φ1000-10 (fabric cut piece: 3×3 meters) is a flexible ventilation hose specially designed for underground coal mine gas extraction and exhaust systems. Made by splicing high-strength coated fabric sheets sized 3m × 3m, it offers excellent flexibility and dimensional stability. This model is designed to fit φ1000 diameter extraction equipment and is ideal for large-volume gas drainage, underground return air systems, and tunnel ventilation.

Category: Mine Ventilation Duct

Description
Reviews (0)

📌 Negative Pressure Ventilation Duct φ1000-10 Product Overview

The duct body is treated with flame retardant and anti-static coatings, providing outstanding safety performance. It is widely used in high-gas, high-humidity, and high-temperature mining environments.

✅Negative Pressure Ventilation Duct φ1000-10 Key Features

Large φ1000 diameter enables higher extraction efficiency, suitable for main ventilation systems
3×3 meter fabric splicing process ensures strength and enhances roll packaging and transport convenience
Durable coated surface with wear resistance, impermeability, and aging resistance
Maintains stable airflow cross-section during operation without collapsing or folding
Suitable for underground negative pressure ventilation, gas drainage, and return air duct installations

📐 Negative Pressure Ventilation Duct φ1000-10 Technical Specifications

Parameter	Specification
Nominal Diameter	φ1000 mm
Section Length	10 meters
Material Structure	Polyester base fabric + double-sided flame retardant & anti-static coated finish
Fabric Cut Size	3 meters × 3 meters
Negative Pressure Resistance	≥3500 Pa
Flame Retardant Rating	B1 grade (GB 8624-2012)
Surface Electrical Resistance	≤3×10⁸ Ω (GB/T 2951)
Application Environment	Coal mine underground ventilation tunnels, high-gas mining faces
Operating Temperature Range	-25℃ to +80℃

🏷️ Negative Pressure Ventilation Duct φ1000-10 Applicable Standards

MT/T 391-2012: Technical Conditions for Coal Mine Ventilation Ducts
GB/T 20043-2015: Coated Fabric Ventilation Hoses for Mining
GB 3836 Series: Standards for Electrical Equipment in Explosive Atmospheres

📦 Negative Pressure Ventilation Duct φ1000-10 Customization & Service Options

Fabric color, LOGO printing, and directional markings available
Optional connection types: zipper, hook & loop fastener, steel ring press seal
OEM / ODM services supported with English labeling and technical documentation
Supplied with certificates of conformity, flame retardancy tests, and coal safety performance reports