H series return air insulation flexible integrated duct

Product Introduction

Winduct® H series return air insulation flexible integrated duct is made of flame-retardant low thermal conductivity insulation rubber-plastic material + A2/B1 fireproof grade fiber composite material, and is made using nano hot-melt composite technology. It has the characteristics of impact resistance, antibacterial, antistatic, etc.

Product Performance

Application

It is suitable for the integrated supply and return air requirements in industrial, public and commercial fields, and can be used in both suspended ceiling and non-suspended ceiling environments.

25mm

Core Advantages

Fire rating

B1

Meet the requirements of integrated supply and return air

Insulation thickness

Application Scenario

Available with or without suspended ceiling

The H series return air insulation flexible integrated duct is made of flame-retardant low thermal conductivity insulation rubber-plastic material + A2/B1 fireproof grade fiber composite material, and is made using nano hot-melt composite technology. It has the characteristics of impact resistance, antibacterial, antistatic, etc.

IGA series full A-grade flexible integrated air duct

IR series thermal insulation flexible integrated duct

D series fabric duct

MIRB series rubber and plastic flexible integrated air duct

H series flexible return air duct

Technical Parameters

Performance Project
Technical Parameters
Implementation Standards
Fire rating
Level A2/Level B1
/
Internal support

Built-in force-bearing skeleton system

/
Return air pressure
Within 500pa
/
Wet resistance factor μ
≥1.5*10³, measured 1.5*10∧4
GB/T 17794-2021
Thermal resistance K[(m².k)/w]


Minimum thermal resistance of general air conditioning duct (lowest temperature of cold medium 15°C, highest temperature of hot medium 30"C) ≥0.81
GB/T 3923.1-2013


Anti-aging performance, 150h
Slightly wrinkled, no cracks, no deformation
GB/T 17794-2021
Antibacterial rate


Antibacterial rate ≥99%, with strong antibacterial effect; Antibacterial rate ≥90%, with antibacterial effect;
JC/T 939-2004


Air leakage per unit area


When the positive pressure is 1000pa, the maximum air leakage per unit area is ≤1.57 [m³/(h*㎡)], and the actual measurement is 0.93
JG/T 258-2018


Anti-condensation performance



After 2 hours of anti-condensation test on the air duct, there should be no condensation on the pipe wall and zipper joints (low temperature air supply 7~9℃, ambient temperature outside the air duct 32℃, relative humidity 80%, air duct wind speed 8m/s)
JG/T 258-2018



Duct strength

When the pressure is 3000 Pa, the appearance is normal with no damage or cracks.

JG/T 258-2018
Harmful gas release (mg/m³)



Formaldehyde ≤ 0.03, measured 0.012; Ammonia ≤ 0.06, measured 0.013; Benzene ≤ 0.03, measured 0; Toluene ≤ 0.06, measured 0.012; TVOC ≤ 0.2, measured 0.048

JG/T 258-2018



Return air volume

100000cmh or more

/