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INFLEX HD DUO – PREINSULATED PIPES FOR DISTRICT HEATING

Carrier pipe
PEX, PEX/AL/PEX, PB, PERT, PERT/AL/PERT, others
 
Interior protection pipe
Type: RIW
Material: polyethylene mod. (HDPE-mod.)
Water vapour permeability: minimum
Mechanical strength: 500N
Impact resistance: 2,0kg/100mm
Chemical resistance: excellent
UV resistance: 2 years
Colour: red, blue, black
 
Insulation
Material: Extended polyethylene closed cell foam (EPE)
Produced without (H)CFCs
Density: 30 kg/m­3 [±15%]
Water vapour resistance: >3.000 µ
Water absorption: B – 1 %
Chemical resistance: excellent
Flammabilty (reaction to fire): Class F / E / D
 
Exterior protection pipe
Type: RIW
Material: polyethylene mod. (HDPE-mod.)
Water vapour permeability: minimum
Mechanical strength: 500N
Impact resistance: 2,0kg/100mm
Chemical resistance: excellent
UV resistance: 2 years

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Application:

Inflex HD duo is designed for transporting liquids in heating, sanitary installations and district heating systems.
Pipe consists of two carrier pipes (flow and return). They are insulated with flexible EPE foam and enclosed in an external HDPE corrugated pipe. A multilayer layer of elastic foam provides excellent thermal insulation over a wide temperature range. Insulation’s closed-cell structure prevents water absorption and water vapour permeability, and is resistant to mechanical deformation.
The system with internal corrugated pipe permits safe expansion and contraction of the carrier pipe, reducing the risk of uncontrolled leakage caused by inner pipe abrasion. It allows easy replacement of carrier pipes trough pulling it out and inserting a new one without the need to chisel it out of walls, floors or ground.
These pipes have high mechanical strength (500 N), high-impact resistance and flexibility which makes them easy to install. Pipes are recommended for outdoor use in grounds and in areas where special mechanical protection is required. Pipes are available in 6 meter straight lengths and in coils of 25, 50 and 100 meters.

Available diameters

Carrier pipe diameter (mm)Pipe symbol Outside diameter (mm)Heat emission
W/m
Minimum bending radius (mm)
2x20HD duo 2x20x110 (2x 26mm)11013300
2x20HD duo 2x20x160 (2x 26mm)16012400
2x25HD duo 2x25x110 (2x 29mm)11014350
2x25HD duo 2x25x160 (2x 29mm)16013450
2x25HD duo 2x25x200 (2x 29mm)20010.5550
2x28HD duo 2x28x110 (2x 36mm)11015500
2x28HD duo 2x28x160 (2x 36mm)16013.5600
2x28HD duo 2x28x200 (2x 36mm)20011700
2x32HD duo 2x32x160 (2x 40mm)16014650
2x32HD duo 2x32x200 (2x 40mm)20012750
2x40HD duo 2x40x160 (2x 54mm)16018.5700
2x40HD duo 2x40x200 (2x 54mm)20016800
25+20HD duo 25+20x160 (29mm + 26mm)16012.5450
25+20HD duo 25+20x200 (29mm + 26mm)20010.5550
32+25HD duo 32+25x160 (40mm + 29mm)16013.5650
32+25HD duo 32+25x200 (40mm + 29mm)20011750
40+25HD duo 40+25x160 (54mm + 29mm)16015.5700
40+25HD duo 40+25x200 (54mm + 29mm)20013800
50+25HD duo 50+25x160 (63mm + 29mm)16016800
50+25HD duo 50+25x200 (63mm + 29mm)20014850

 

Informations

Resealable corrugated conduit

  

Ingremio AVIATION TEAM

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