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R-flex |
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R-flex | Insulated Piping Systems
Insulated supply and return piping for:
- Hydronic heating
- Hydronic snow melting
- District heating
- Commercial and process piping
- Geothermal
- Agricultural piping
- Biomass heat sources
- Wood-fired boilers
- Solar
- Cooling towers &
chilled water systems
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A solid proven system.
R-flex is a pre-insulated, flexible, energy-saving
PEX piping system with a durable, waterproof outer
cover. It consists of a long-lasting PEX carrier pipe
or pipes surrounded by thick insulation layers, all
contained in a unique double-wall outer casing
for maximum protection. The flexibility and light
weight of R-flex make it far easier to install than
rigid piping systems.
Superior protection.
Surrounding the inner PEX carrier pipe are
several layers of cross-linked polyethylene foam
with a closed cellular structure. This unique design
provides R-flex with a low water vapor absorption,
enhanced R-value insulation, and an excellent
resistance to extreme temperatures.
Most importantly, R-flex is able to maintain
these insulation properties over time. Other
insulation types, such as polyurethane (PUR) foam,
can crush when the pipe is bent, causing them to
lose their insulative properties.
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Barrier PEX offers several advantages.
- high resistance to corrosion and pressure
at high temperatures
- exceptionally high abrasion resistance
- superb chemical resistance
- proven product with excellent longevity at high temperatures
Flexible, fast, and easy.
R-flex derives a unique benefit from the use of
the polyethylene foam insulation and the doublewall
outer shell; increased flexibility. This feature
provides an advantage when running R-flex
between buildings, around trench corners, or
through wall penetrations.
The art of simplicity.
Traditional carrier pipes, such as copper or
black iron, require installers to cut and install
transition fittings to work around an obstacle. With
R-flex, installers no longer have to cut pipe and
add connecting points. R-flex bends around the
obstacle.
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R-flex Specifications Chart |
Specifications (conforms to DIN 16892, SDR-11) |
Single |
Order # |
Description |
PEX
ID |
PEX
OD |
Jacket
OD |
Bend
Radius |
Coil
Length |
Coil
Diameter |
Coil
Height |
Coil
Weight |
Fluid Cap.
/ 100m (328ft) |
Insulation
Thickness |
Casing
R-Value |
81012929 |
160/40 R-flex |
32.6 mm
(1.28") |
40 mm
(1.57") |
160 mm
(6.30") |
350 mm
(13.8") |
100 m
(328 ft) |
2300 mm
(90.6") |
850 mm
(33.50") |
232 kg
(512 lbs) |
83.00 L
(21.93 gal) |
47.5 mm
(1.88") |
6.79 |
81012886 |
160/50 R-flex |
40.8 mm
(1.61") |
50.0 mm
(1.97") |
450 mm
(17.80") |
248 kg
(547 lbs) |
131.31 L
(34.69 gal) |
42.5 mm
(1.68") |
6.07 |
81012887 |
160/63 R-flex |
51.6 mm
(2.03") |
63.0 mm
(2.48") |
550 mm
(21.7”) |
278 kg
(613 lbs) |
208.76 L
(55.15 gal) |
37.0 mm
(1.46") |
5.27 |
81012889 |
200/75 R-flex |
61.4 mm
(2.42") |
75.0 mm
(2.95") |
200 mm
(7.90") |
800 mm
(31.5") |
1400 mm
(55.20") |
416 kg
(917 lbs) |
296.67 L
(78.37 gal) |
52.0 mm
(2.05") |
7.4 |
81012890 |
200/90 R-flex |
73.6 mm
(2.90") |
90.0 mm
(3.54") |
1100 mm
(43.4”) |
473 kg
(1,043 lbs) |
426.02 L
(112.55 gal) |
44.0 mm
(1.74") |
6.28 |
81012891 |
200/110 R-flex |
90.0 mm
(3.55") |
110.0 mm
(4.33") |
1200 mm
(47.3") |
564 kg
(1,244 lbs) |
638.41 L
(168.65 gal) |
34.0 mm
(1.33") |
4.84 |
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Dual |
81012879 |
125/2x1 R-flex |
0.863"
(21.92 mm) |
1.125"
(28.58 mm) |
4.90"
(125 mm) |
11.80"
(300 mm) |
100 m
(328 ft) |
82.70"
(2100 m |
27.60"
(700 mm) |
358 lbs
(162 kg) |
19.94 gal
(75.46 L) |
1.11"
(28.0 mm) |
4.01 |
81012880 |
125/2x32 R-flex |
26.2 mm
(1.03") |
32.0 mm
(1.26") |
125 mm
(4.90") |
300 mm
(11.80") |
2100 mm
(82.70") |
700 mm
(27.60") |
182 kg
(402 lbs) |
107.48 L
(28.40 gal) |
22.3 mm
(0.88") |
3.18 |
81012882 |
160/2x40 R-flex |
32.6 mm
(1.28") |
40.0 mm
(1.57") |
160 mm
(6.30”) |
600 mm
(23.70") |
2300 mm
(90.60") |
850 mm
(33.50") |
263 kg
(580 lbs) |
166.00 L
(43.86 gal) |
34.0 mm
(1.34") |
4.84 |
81012884 |
200/2x50 R-flex |
40.8 mm
(1.61") |
50.0 mm
(1.97") |
200 mm
(7.90") |
800 mm
(31.50") |
1400 mm
(55.20") |
403 kg
(889 lbs) |
262.62 L
(69.38 gal) |
46.0 mm
(1.81") |
6.57 |
81012885 |
200/2x63 R-flex |
51.6 mm
(2.03") |
63.0 mm
(2.48") |
1200 mm
(47.30") |
464 kg
(1,023 lbs) |
417.52 L
(110.30 gal) |
33.0 mm
(1.30") |
4.69 |
For more information see:
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Contact us for product selection. We are glad to help. |
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R-Flex Performance Insulated Burried Tubing Coils. In ground PEX tubing pre-insulated with maximum flexibility and ease of installation. |
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R-flex Caps, Plugs, Repair Sleeves, Casings, etc. |
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R-flex Brass Compression Fittings:
- NPT Couplings
- Repair Couplings
- Elbows
- Tees
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