📌 Positive Pressure Ventilation Duct φ600-10 Product Overview

The Positive Pressure Ventilation Duct φ600-10 is manufactured using high-strength polyester coated fabric (2×3 meter cut pieces) specifically designed for underground coal mine positive pressure ventilation systems. With a moderate diameter of φ600mm, it perfectly fits medium and small ventilation fans, providing excellent airtightness, flexibility, and fire-retardant and anti-static properties.

The 2 meters wide and 3 meters long fabric pieces enable easy sewing, transportation, and rapid onsite assembly. This duct is widely used in coal mine headings, return airways, auxiliary shafts, and other positive pressure air supply applications, ensuring fresh and safe air quality in work areas.

✅ Positive Pressure Ventilation Duct φ600-10 Key Features

Standard φ600mm ventilation diameter suitable for daily underground positive pressure ventilation
Fabric sewn from 2×3 meter cut pieces ensuring reliable strength and moderate product weight
Made from materials compliant with coal mine safety standards, featuring dual fire-retardant and anti-static coatings
Quick installation at fan outlet with compatible steel ring clamps, zippers, or Velcro connections
Soft, non-collapsing structure ensures even air pressure and high ventilation efficiency

📐 Positive Pressure Ventilation Duct φ600-10 Technical Specifications

Item	Description
Nominal Diameter	φ600 mm
Single Section Length	10 meters
Fabric Size	2 meters × 3 meters
Material Structure	Polyester base fabric + double-sided fire-retardant & anti-static coated knife-scraped fabric
Working Pressure	Positive pressure ≤ 3000 Pa (depends on fan)
Fire-retardant Grade	B1 (according to GB 8624-2012)
Surface Resistance	≤ 3×10⁸ Ω (according to GB/T 2951)
Usage Environment	Underground coal mines, auxiliary ventilation, localized air supply

📜 Positive Pressure Ventilation Duct φ600-10 Compliance Standards

MT/T 391-2012: Technical Conditions for Coal Mine Ventilation Ducts
GB/T 20043-2015: Coated Fabric Ventilation Hose for Mining Use

Produced strictly according to Chinese coal mine safety standards. Use of non-standard or foreign standards materials is prohibited.

🧩Positive Pressure Ventilation Duct φ600-10 Optional Configurations

Connection Types: Steel ring clamp / Zipper / Velcro
Color Options: Black-yellow / Blue-gray / Custom colors available
Packaging: Strapping / Transparent film / Palletized (for export)
Delivery Documents: Certificate of Conformity, Test Report, Serial Number Label, Coal Mine Safety Parameter Sheet