dry powder suppressant and are suitable for
both Class A and Class B fires as set out in
BS EN 2:1992 (Classification of fires). Class A fires
involve freely-burning organic solid materials such
as wood, paper, straw, cloth, textiles and other
carbonaceous materials, and Class B fires involve
flammable liquids or liquefiable solids such as
petrol, diesel, solvents, lubricants and spirits.
Tandem powder extinguishers are also appropriate
for Class C fires involving gases such as butane
and propane, but only when they are used as a
portable extinguisher.
When a Tandem extinguisher is wall-mounted
for automatic operation, a special 68�C sprinkler
sensor activates the agent flow and directs it at a
specific fire risk to provide around-the-clock pro-
tection. When used in this automatic mode, the
extinguisher delivers a "one-shot" flow when the
sensor is activated and, depending on the height
at which the extinguisher is installed, the
protected area can extend to between four and six
metres from the extinguisher. When used as a
conventional manually-operated portable extin-
guisher, delivery of the powder or foam agent is
trigger-controlled.
All Tandem portables are safe if inadvertently
used on electrical equipment up to 1000v at one-
metre distance and have anti-freeze protection of
to minus 20�C for the powder models and zero �C
for the foam extinguisher. The current offering
comprises a 9-litre foam extinguisher and two dry
powder models � a 6kg unit and a 12kg unit.
They are manufactured under ISO 9001:2000
[Quality management systems] and in accordance
with the European standard for portable extin-
guishers is EN 3: 1996, Part 3 and Part 6, and
BS EN 3 Part 7: 2004, which replaced the earlier
Parts 1, 2, 4 and 5. Part 3 addresses construction,
resistance to pressure and mechanical tests, while
Part 6 covers conformity and how to achieve
certification. The newer Part 7 encompasses
characteristics, performance requirements and test
methods.
The CE-marked Tandem extinguishers were
developed at the dedicated TOTAL research and
manufacturing facility in Neuruppin in Germany
where, unlike many portables now available on
market, virtually every stage of the cylinder
manufacture is under TOTAL direct control. This
includes material selection and sourcing in Europe,
the use of the most advanced low-heat plasma
welding techniques and equipment, fabrication,
assembly and high-performance powder-coating.
It also embraces 100% cylinder pressure testing;
and agent filling. To provide a complete and
reliable quality audit trail each and every
Tandem cylinder is uniquely numbered during
manufacture.
Each Tandem cylinder has a one-millimetre-thick
corrosion-resistant internal powder coating and is
electrode-tested to ensure that there are no
pin-point flaws in the coating. The quality of this
finish can be judged by the fact that there is a
complete absence of colour fading that is a com-
mon feature of many inferior quality cylinders.
Even the Tandem cylinder wall-mounting brackets
are designed to ensure that there is no potential
for metal-to-metal or metal-to-wall scuffing.
Tandem extinguishers are part of an extensive
line-up of TOTAL special-application portables.
Other models include powder extinguishers for
coal fires; antimagnetic CO2 portables for
hospitals and clinics; specially-formulated water
portables for sawdust fires; wet chemical portables
for cooking oil and fat fires; purpose-designed
foam portable extinguishers for polar liquid fires;
and specifically formulated powder portables
to fight metal fires. All are guaranteed for five
years, providing they are serviced from new in
accordance with the appropriate regulatory
standards.
They are available in the UK through Express
Fire in Manchester and from a country-wide
network of approved TOTAL supply partners that
are trained to advise, install and maintain the right
extinguishers in peak condition. Further details on
TOTAL portable fire extinguishers are available
from Express Fire on + (0) 161 688 5050 or, out-
side of the UK, from Tyco Safety Fire Suppression
& Building Products by telephone on +44(0) 161
875 0400, by fax on +44 (0) 161 875 0491, or via
email at tspmarketing.emea@tycoint.com IFP
INTERNATIONAL FIRE PROTECTION 13
uishers offer
ction
PROFILE
Each Tandem cylinder has a one-millimetre-thick
corrosion-resistant internal powder coating and is
electrode-tested to ensure that there are no pin-point
flaws in the coating. The quality of this finish can
be judged by the fact that there is a complete absence
of colour fading that is a common feature of
many inferior quality cylinders.

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