Fire Retardant
Our PVC flexible duct is fire retardant, making it suitable for use in temperatures ranging from -20℃ to +80℃, ensuring safety and reliability in various environments.
All in all, our PVC duct is adaptable to a wide array of ventilation applications, Whether it's for industrial, commercial, or residential use.
THERMALLY INSULATED POLYESTER flexible air duct
Alahram PVC Duct is the perfect solution for a wide range of applications and is designed to meet your ventilation requirements with ease and efficiency.
Helix Spiral Air Duct
Designed with a robust helix spiral design, this PVC duct has excellent durability and flexibility, perfect for various air ventilation tasks.
Steel Wire Support
This industrial flexible ducting is supported by a strong steel wire, providing stability and preventing deformation, even under challenging conditions.


Customizable Sizes
A wide range of diameters are available in these PVC industrial flexible ducting, ranging from 100mm to 1500mm, to suit your specific project requirements. With its customizable feature, it can be used on a wide range of occasions.
The length also is customizable. Standard lengths of 5m or 10m are the hot sell size in our factory.





INSU-(POLY-ALU) ADF Thermally insulated polyester flexible air ducts are specifically produced for low and medium pressure heating, cooling, ventilation, exhaust and air conditioning systems.
Airtight INSU-(POLY-ALU) ADF is produced from multi-layer polyester, strengthened with high tension steel spring wire,
surrounded with glass wool insulation and reinforced metalized polyester vapor barrier.
INSU-(POLY-ALU) ADF is highly elastic and flexible. It can be easily fitted to circular or oval connectors


PROPERTIES & ADVANTAGES
POLYESTER LAMINATED BODY
High resistance to UV rays
Resistant to Chemicals
Maintenance Free
FLEXIBLE & SEAMLESS CONSTRUCTION LAMINATED BODY
Easy to store
Easy to transport
Low installation cost
High resistance to wear and tear Airtight
Low operation and maintenance cost
SMOOTH INNER SURFACE
Minimum pressure loss
HIGH TENSION STEEL WIRE
High durability
High resistance to deformation
Easy to install
GLASS WOOL INSULATION
Heat resistant
(Certified, EN 13501-1, Class A1)
UL 732
(Smoke developed index = 0)
(Flame spread index = 0)
No fiber erosion
Minimal energy loss
Perfect insulation property
No-condensation
REINFORCED METALIZED POLYESTER LAMINATED JACKI
High resistance to wear and tear
Impermeable to UV rays
High resistance to UV rays
Reflection property
Resistant to chemicals
Easy care
NO-CONDENSATION
Technical properties
Available on Request
Customized Lengths
Private Label
White polyester insulation
38,40 mm & 50 mm glass wool insulation
24 kg/m3 glass wool insulation
PE jacket

