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Spark
plugs SUPER / SUPER-YTTRIUM
Wide-range spark plugs
The centre electrode is
from nickel alloy filled with copper core (SUPER) or from special
nickel-yttrium alloy (SUPER YTTRIUM) with high heat conductivity what
enables to optimize thermal balance of active parts of spark plug.
Perfectly covers engine's demand at both low speeds driving with
prevalence of cold starts and long-running highway driving.
Spark plugs BRISK SUPER / SUPER YTTRIUM are
suitable for use of leaded and unleaded fuel. Replacement
interval:
max. 30.000 km
(unleaded fuel)
max. 20.000 km (leaded fuel)
 
Spark plugs Extra
The centre
electrode is from nickel alloy filled with cooper core. Two or three
ground electrodes of BRISK Extra spark plugs enable the spark-gap
construction which is opened into combustion chamber. This improves
mixture ignition in the initial phase of ignition and inhibits flame
extinction caused by heat transfer from electrodes.
The use of more electrodes extends change
interval up to 60.000 km. Length stability of electrode gap and
stability of thermal properties for long operating time predestine these
spark plugs for use on wide variety of both, most up to date engines
and engines of older construction.
These spark plugs are manufactured in
two-electrode design with possibility of spark-over from burning
deposits on insulator tip and in three-electrode design, too. Replacement interval:
max. 60.000 km
  Spark plugs Silver
Special spark plugs for gas-driven
engines
LPG combustion has its unique problems. A
lot of scientific studies proved already that the use of LPG as
alternative fuel for internal combustion engines is advantageous from
several points of view. The most important fact is, that engines which
use LPG as fuel produce exhaust which is more environmentally friendly
than exhaust produced by engines which combust petrol or diesel. At LPG
combustion it is generated by 10% up to 25% less of carbon monoxide than
at petrol combustion. Nevertheless carbon monoxide has a substantial
effect on global warming.
With the view to ecology of operations the user are able to calculate
the advantages of lower operating costs. LPG combustion has its unique
problems, too. More difficult ignitability owing to inhomogeneous gas
mixture in combustion chamber is one of them. Increased demand on
ignition system voltage and more difficult starting-ability at low
temperatures is the consequence. The spark plugs BRISK Silver which are
designed specially for gas ignition in LPG-driven engines help to
eliminate these problems.
Spark plugs BRISK Silver have special shape of spark gap which enable
easier access of gases to flashover, silver center electrode with small
diameter and electrode gap 0,55 mm, 0,7 mm and 0,9 mm.
The voltage demand of spark plug is considerably reduced by silver
centre electrode with small diameter along with reduced ground
electrode.
Replacement
interval:
max. 30.000 km - LPG, CNG
max. 45.000 km - for petrol only
  Spark plugs Platin
Spark plugs with platinum contact
For its high resistance the platinum contacts
on active parts of spark plug electrodes assure electrode gap stability
for a very long time. High resistance to erosion enables the use of
thinner centre electrode what does not impede the flame front
propagation in the first phases of ignition and herewith contributes to
engine power increase.
Spark plugs BRISK Platin are manufactured with platinum contacts on both
electrodes or on centre electrode only. In the marking system of spark
plugs BRISK the spark plug with platinum contact on centre electrode is
marked with "P" and the spark plug with two platinum contacts is marked
with "PP".
High resistance of platinum to erosion enabled to extend change interval
of spark plugs up to 90.000 km.
Replacement
interval:
max. 90.000 km
  Spark plugs Premium
The unique patent-registered spark plugs
Spark gap enabling surface flashover
(extreme long) with the possibility of spark-over around full
circumference 360°. Ignition spark will jump always at point of highest
fuel concentration. Substantially higher flame propagation rate in the
initial phase of flame propagation in the combustion chamber enables
superior fuel energy utilization. The combustion velocity in conjunction
with knock sensor assures engine-power increase. The spark gap of spark
plugs BRISK PREMIUM "LGS" is protruded deep into
combustion chamber.
Replacement interval:
max. 30.000 km
  Spark plugs Iridium
Special spark plugs with iridium contact
The spark plugs BRISK Iridium have high
ability for ignition of air-fuel mixture in combustion chamber. Small
diameter of centre electrode tip made from iridium alloy and ground
electrode centered through cutting to centre electrode decrease demand
on voltage supplied by ignition system. Iridium alloy has high value of
melting point with high resistance to erosion. The shape of ground
electrode does not impede flame front propagation in combustion chamber.
Good access of mixture to electrodes increases functional properties of
spark plugs, power and vehicle's acceleration.
Replacement interval:
max. 50 running hours- sporting use
max. 45.000 km regular operation Aizdedzes sveču katalogs šeit
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