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1 ) |
External layer made
of PP
With its high impact strength,
sturdiness and outstanding weather resistance,
this outside protective layer is about as tough as
they get. The surface is smooth and comes in the
unmistakeable blue of the POLO-KAL NG piping
systems.
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2 ) |
Intermediate layer
made of PP-MV
The mineral reinforcement of the intermediate
layer plays a key role in giving POLO-KAL NG
its excellent sound absorbency. This carrier
layer also gives the pipes very great stiffness,
which in turn makes them very stable - and thus
highly reliable.
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3 ) |
Internal layer made
of PP
High resistance to hot water,
chemicals and mechanical abrasion. It also resists
to incrustation and reduces drainage noise thanks
to the smooth inside surfaces. These are the
distinguishing features of the blue material of
the internal
layer.
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P R E C I
S I O N AND A C C U R A C
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LOW LINEAR
EXPANSION
( COMPARISON - THE BEST WAY TO MAKE SURE )
The
low linear expansion ensures that the pipes will fit
exactly when laid, and prevents them buckling. This
makes for easy installation and dependable operation
for years to come.
LINEAR EXPANSION
Expansion
[mm], material
Technical plastics literature; test of
POLO-KAL NG, n° 47,420, OFI, May 2002
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HIGH PIPE STIFFNESS AND
DIMENSIONAL STABILITY
( QUALITY FROM WHICH NOTHING
WILL DEFLECT )
The pipes high axial and
ring rigidity not only makes them easier to install but
also prevents any deflection of pipes mounted in the
horizontal.
FLEXURAL STIFFNESS
Modulus of
elasticity [MPA], Material
Technical plastics
literature; test of POLO-KAL NG to ISO 178 |
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PRECISION SEALING
SYSTEM
( NO
"LEAKAGE" OF TIME OR MONEY, EITHER )
The
exactly shaped socket ensures that the push-fit
connection really does fit, with great precision, and
prevents the inlaid lip seal being displaced. A
watertight connection is guaranteed, meaning that no
time- and cost-intensive repairs will be
needed. |
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L O W - T E M P
E R A T U R E I M P A C T S
T R E N G T H |
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HIGH IMPACT STRENGTH, EVEN
AT LOW TEMPERATURES
( THEY CAN STILL TAKE THE KNOCKS
WHEN THE TEMPERATURE DROPS )
These properties
of the pipes mean that you can carry on laying them even
when temperatures get really low.
LOW-TEMPERATURE IMPACT
STRENGTH
Temperature [°C], Material
test of
POLO-KAL NG, n° VA KU 20080/1, TGM, February
2004 |
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P U N C T U R E A
N D C O N C E N T R A T E D L O A D S |
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Tests on the 3-layer technology's resistance
to puncture and concentrated loads show excellent results,
and prove that POLO-KAL NG plus can withstand even extreme
loads. |
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T I M E - S A V
I N G A N D E F F I C I E N
T |
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EASY TO INSTALL, THANKS TO
PUSH-FIT SOCKET SYSTEM
( COST-EFFECTIVE AND TIME-SAVING
)
The push-fit system, the exact shapes, the
high rigidity and the factory-fitted inlaid seal;
together make for a fast, exact and cost-effective
installation..
Easy to install
Expert report "Labour/time comparison", Oct.
2001. Basis: Installing soil-wastewater piping in a
three-storey apartment building with mirror-symmetrical
residential units - in the kitchen, bathroom and WC
of each unit. Minutes, 33% labour saving, conventional
PE welding program. |
