Pre Insulated Duct System

Accessories Invisible flange joint and tee connector

Invisible flange joint aluminium 20 mmThis special aluminum flange permits 20 mm the ducts to be joined with extremely low leakage. The bars are supplied in 4 meter lengths.

Invisible flange joint aluminium 30 mm

This special aluminum flange permits 30 mm the ducts to be joined with extremely low leakage. The bars are supplied in 4 meter lengths.

Invisible flange joint polymer 20 mm

This special polymer flange permits 20 mm the ducts to be joined with extremely low leakage. The bars are supplied in 4 meter lengths.

Tee connector flange joint 20/30 mm

This flange permits the flanging of one duct into the side of another take-offs as tap-in or plenum chamber. The bars are supplied in 4 meter length.

H polymer bayonet

Built in shock-resistant polymer, this piece permits "invisible flanges" to be connected. Supplied in 4 meter rods

Covering angle 20/30 mm

Grey polymer covering angle.

Zinc-coated steel angle bracket 20/30mm panel

1.5 mm thick zinc-coated steel angle bracket.

Insulating flange for ducting: Polymer & Aluminum Composition, sub-structure, withplastic core, forming no cold bridge effect, which blocking the cold metal profiles,thermal conductivity, improved compartment temperature, thermal performance ofexisting technology products.

Insulating flange type-invisible flange joint Insulating angle flange

Insulating flange type-F

Polymer & Aluminum Composition, could be sub-structure.

Pre Insulated Duct System

AHU(Air handling units ) & Grilles connections.Reinforcement.

 " F" section bar in aluminum or polymer -20/30mmPermits all accessories with fastening frames higher than 20 mm to be fastened to the ducts. Supplied in 4 meter rods

Chair section bar in aluminum or polymer - 30 mm

Used to fasten ducts to air handling units and in the assembly of linear diffusers. This section bar is supplied in 4 meter rods.

Reinforcement section bar in aluminum

Special high stiffness aluminum alloy reinforcement section bar. Bars are supplied in 4 meters rods

Aluminum shaped disk

Aluminum disk to distribute the pressure created at the centre over a wider surface to prevent damage to the panel. Disk diameter 100mm, hole diameter 10 mm.

Angle Bracket

Polymer angle bracket for reinforcement.

Glues, tapes and sealants

Paint glue 3kg, only for PU/PIR composite panels ducting, special glue formulated to obtain perfect adhesion on easy panels foam. The product is supplied ready-to-use.

Easy aluminum tape

Self-adhesive aluminum tape to use in the construction of the ducts.Supply: 30 meters roll and 24 rolls pack.

Duct Sealant

Medium-viscosity adhesive for the gluing of aluminum and Polymer section bars. 500 gr pack.

Duct Making Tools

Man Power≤ 2 peopleLess noiseDo not use electricityDuct Fabricate so easy.

Yuansen DuctTo provide the best solution for your ducting needs with . Our pre insulated ducts (PIR) have an excellent insulation properties, lightweight material, and great durability. PIR Duct (Polyisocyanurate Rigid Form) is an improvement from PUR Duct (Poly Urethane Rigid Form) with better fire retardancy, higher density and better R value.

Thanks for your inquiry.