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Comparison b/w various piping system
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Ta
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FLEXALEN® produced by
Why is Flexalen® the No 1 choice for specifiers around the world?
PR
E-INSULATED PIPE SYSTE
MS
CERT
IFICATE FOR FLEXIBLECERTIFIED
KIWA
BRL 5609PART A
Homogenious system: the only fully weldable plastic system
4 times quicker to install than steel
High operational safety for PB-1: 33% higher working pressure than PE-X
12.0
10.0
8.0
6.0
4.0
2.0ISO Class 1 ISO Class 2 ISO Class 4 ISO Class 5 20° C for
50 yearsClasses according to ISO/DIS 10508
Des
ign
Str
ess,
MPa
PB-1 PE-X (cross-linked polyethylene)
SDR 11PB-1: 95° C / 8 bar + 33% !!!PE-X: 95° C / 6 bar
Better insulation value: PB-1 has 61% advantage over PE-X
Insulation values
PE-X
PP-R(polypropylene)
PB-1
PVC-C
0,10 0,2 0,3 0,4
Lambda (W/mK)
0,41
0,24
0,16
0,14
ISO Classification
Easy planning: no need for expansion compensation
HDPEouter casing
Polyolefin Insulation Polybutene (PB-1) medium pipe
Flexalen® fulfils all design requirements
Significant cost advantage overpre-insulated steel pipes
Group heating project Netherlands 2004
k €
80
Steel Flexalen 600
70
60
50
40
30
20
10
0
Trenches
Branches
Joints
Pipes
0,41HDPE
Now with improved insulatingaction: λ50= 0,031 W/mK
Superior flow in sanitary pipes: +25% for PB-1 compared to PE-X
Lower expansion coefficient: PB-1 35% better than PE-X
Low noise transmission: advanced acoustic properties
Exceptional flexibility: PB-1 is 25% more flexible than PE-X
PB-1 PP-R(1) PP-R(2) PE-X PVC-C
Pipe OD, mm 40 40 40 40 40
Pipe ID, mm 32.6 26.6 24.0 29.0 31.0
Pipe wall thickness, mm 3.7 6.7 8.0 5.5 4.5
Standard Dimension Ratio (SDR) 11 6 5 7.3 9
Pipe inner section area mm2 835 556 452 661 755
Flow speed @ 2 liters/second, m/s 2.4 3.6 4.4 3.0 2.6
Pressure loss @ 2 liters/second, mbar/m 18 50 81 33 24
Pipe Flow Performance
Calculated for 50 year life @ 70° C, including design factor
Heat expansion coefficient
alpha (mm/mK)
0,02
0,07
0,12
0,17
Stee
l
Copper
PVC-C
PB-1
PP-R
PE-X
0,012
0,08
0,018
0,13
0,18
0,20
Acoustic Properties
Sound Velocity Elastic Modulus
PB-1 PP-R PVC-C Copper
1,000,000
1,00,000
10,000
1,000
100
10
1
6,000
5,000
4,000
3,000
2,000
1,000
—
Flexular Elastic Modulus(ISO 178) at 23° C
E-M
od
ul,
MPa
900
800
700
600
500
400
300
200
100
0
PB-1
PE-X
PE-R
TPP
-R
Less pressure loss for domestic hot water pipes: 4 times lower than PP-R
0,22
Higher creep resistance: PB-1 is the best material to use with compression fittings
Creep performanceat 23° under anapplied stress of8 MPa
32
24
16
8
0
PB-1
Creep resistance
10-2 100 102 104 106
PPPP-R
PE-X
PE-H
D
Time (hrs)
% E
lon
gat
ion
Vel
ocit
y of
sou
nd, m
/s
Loga
rith
m (E
last
ic M
odul
us, M
Pa)
MEMBERS OF GROUP OF COMPANIES
AUSTRIA (and other countries)Thermaflex-FlexalenRohr- und Isoliersysteme GmbHTel. + 43 (0) 1 523 26 25 [email protected]
BENELUXThermaflex Isolatie bvTel. +31 (0) 416 56 77 [email protected]
INDIAThermaflex Insulation Asia Co., Ltd.Tel. +91 981 085 [email protected]
PB-1: 40 Years in Service
This pipe system is still fully operational today!
1965:Salen (a predecessor company of Flexalen) installed PB-1 pipes for
the heating system at the Austrian Plastics Institute ÖKI.
9051
10-E
NFor more information on the uses of PB-1 visit www.pbpsa.com
POLANDThermaflex Izolacji Sp. z o.o.Tel. +48 (0) 74 858 96 [email protected] RUSSIAThermaflex Insulation + Ltd.Tel. +7 (095) 981 11 [email protected]
THAILANDThermaflex Insulation Asia Co., Ltd.Tel. +66 3873 [email protected]
TURKEYThermaflex Yalitim Sanayi ve Tic. Ltd. Sti.Tel:+90 (0) 216 373 84 [email protected]
OUR PARTNERS:
NEW ZEALANDEnergy Products InternationalTel. +64 (07) 847 27 [email protected] UK & IRELANDFlexalen Heating & Cooling Products LimitedTel. +44 (0) 845 644 37 [email protected]
www.thermaflex.com
