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/ 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 2021, 602 people   Hot
                               were admitted to hospital with scald                  • SECURITHERM thermostatic
                               injuries from taps.            sanitary water         point-of-use mixers:
                               Almost half of burns and scald                         A thermostatic cartridge guarantees
          Maximum temperature limiter   victims are under 4 or over 70 years          temperature stability regardless of
                               old (source: NHS Digital).       - 20 to 30%           variations of pressure or flow rate
                               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 102 and 147).
                               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.
                                                     rd
                                                    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:
                                                     rd
                                                    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.























          10  Hospital solutions
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