Page 14 - Water_Controls_for_Healthcare

/ DELABIE’s solutions to reduce the risk of scalding

DELABIE’S SOLUTIONS
TO REDUCE THE RISK OF SCALDING

THE SECURITHERM CONCEPT

To reduce the risk of bacterial development Maximum temperature limiter
(Legionella spp., Pseudomonas aeruginosa, etc.) All DELABIE’s mixers are supplied with a maximum
healthcare facilities must produce and distribute hot temperature limiter. The user cannot increase
water at high temperatures (HSE Approved Code the temperature above the temperature limit
Anti-scalding safety
of Practice and Guidance document HSG274 Part 2). (maximum temperature depends on the model)
The risk of cutaneous scalding increases considerably reducing the risk of scalding.
for hospital patients with reduced sensitivity The temperature limiter is set at the factory to save
and/or slower reflexes. time during installation, but it may be adjusted
According to the World Health Organisation, hot by the installer.
water is a major cause of scalding (between
20 and 30%). Temperature stability
In the year to March 2023, 712 people
were admitted to hospital with scald Domestic • SECURITHERM thermostatic
injuries from taps. point-of-use mixers:
Approximately 1/3 of burns and scald Hot Water A thermostatic cartridge guarantees
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Maximum temperature limiter victims are under 5 or over temperature stability regardless of
variations of pressure or flow rate
84 years old (source: ciphe.org.uk). - 20 to 30%
This risk is particularly high for of scalds worldwide in the system.
mentally or physically disabled people • SECURITHERM mixers with EP
or the elderly, mainly if they accidentally cartridge:
change the temperature setting from its The EP pressure-balancing cartridge
initial setting. compensates for the unavoidable variations
It is therefore essential to maintain a maximum in pressure in the system, ensuring that the water
temperature that reduces the risk of scalding temperature at the outlet remains constant. It also
by introducing safety devices. removes the need for pressure regulators upstream
HSE guidelines state that where a significant risk of the mixer, which are complex and have large
of scalding has been identified, point-of-use TMVs cavities and several membranes which provide
Temperature stability should be considered for baths and showers to deliver additional niches where microbes can develop.
water at safe temperatures (see pages 101 and 141).
The risk of scalding can also be controlled Automatic anti-scalding failsafe
at the point-of-use thanks to the SECURITHERM SECURITHERM technology ensures an automatic
range of mixers and shower panels. and instant anti-scalding failsafe for users.

• SECURITHERM thermostatic point-of-use
Correlation between temperature mixers:
and the risk of scalding: In the event of failure of the Cold Water supply,
thermostatic mixers shut off the Hot Water
3 degree burns immediately.
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in 3 seconds on average:
At 60°C In the event of failure of the Hot Water supply,
5 seconds for an adult,
Discover our SECURITHERM 1 - 2 seconds for a child they also shut off the Cold Water.
solutions video
Burns in 7 seconds
At 50°C • SECURITHERM mixers with EP cartridge:
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3 degree burns in 100 sec.
In the event of Cold Water failure, the Hot Water flow
Source: Centre for Burns, St Joseph and St Luc Hospital in Lyon, France rate on EP mixers is reduced therefore removing
the risk of scalding for the user. In the event of Hot
Water failure, the Cold Water is likewise reduced.

12 Hospital solutions