ingremio

INFLEX HD QUATTRO – 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 quattro is designed for transporting liquids in heating, sanitary installations and district heating systems.
Pipe consists of four carrier pipes: two pipes for heating (flow and return), one pipe for sanitary hot water and one pipe for circulation. 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)
4x25HD q 4x25x160 (4x 29mm)16013800
4x25HD q 4x25x200 (4x 29mm)20010.5900
2x32 2x25HD q 2x32+2x25x160 (2x 40mm + 2x 29mm)16013.5800
2x32 2x25HD q 2x32+2x25x200 (2x 40mm + 2x 29mm)20011900
3x32 1x25HD q 3x32+25x160 (3x 40mm + 29mm)16014800
3x32 1x25HD q 3x32+25x200 (3x 40mm + 29mm)20011.5900

 

Informations

Resealable corrugated conduit

  

Ingremio AVIATION TEAM

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