94 pages for “cat=approfondimenti&q=q%3Dq%2Bq%2Bcan%2Bsystem%2B2bq%2B2bq%2Blegionella”
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Annex XLVI classifies Legionella pneumophila and the other species pathogenic to humans (Legionella spp.) in group 2: according to Article 268, agents that can cause disease in humans and might be a hazard to workers, that are unlikely to spread to the communi …
Also in: Prevention in water systems: the solutions · The Legionella parameter · Action levels
The 2015 Italian Guidelines for the prevention and control of legionellosis, approved by the State-Regions Conference on 7 May 2015, contain specific indications on the installation and management of cooling towers. They are summarised below. 1 Installation Di …
Also in: Treatment products · Scaling, corrosion and biofilm · Cycles of concentration · How a cooling tower works
… controllers provide 4-20 mA outputs proportional to the measured values and can be remotely monitored and controlled from the web portal.
Also in: Disinfection systems · The closed amperometric cell · How to disinfect well water · Water analysis
Biofilm and Legionella It destroys biofilm, which provides shelter and nutrients for bacteria, and hinders its regrowth: it is the most suitable disinfectant against Legionella. Independent of pH Effective between pH 4 and 10, with no loss of effectiveness; it …
Also in: Where it is used · Dosing and measurement · Stabilised or generated on site · Safe production
Sodium hypochlorite Liquid product dosed by automatic systems that continuously measure free chlorine and control the dosing pump to keep it at 1.5 mg/l, also adjusting the pH. Hypochlorite contains sodium hydroxide (caustic soda), which tends to raise the pH. …
Also in: Indicators of microbiological contamination · Chlorine and combined chlorine · Water requirements and checks · Disinfection and pH control
Dosing stations Mixing and dosing of acids or bases with constant, volumetric or proportional dosing, with all components pre-installed on the tank. Dosing stations → LDspH pH measurement and control, with dosing of acids and bases proportional to the measured …
Also in: Measurement problems · pH and disinfection with chlorine · Why control pH
… → Drinking water Well water Analysis and disinfection Chlorine measurement Systems Insight → Swimming pools Private swimming pools pH and disinfectants Redox, cells and DPD Insight → Swimming pools · Regulations Pools for collective use UNI 10637:2024 Closed c …
… and automatically doses corrector and disinfectant: up to 150 m³ with the WD systems, which have the two pumps integrated in the controller, above 150 m³ with the LD controllers and dedicated pumps. Closed (membrane) amperometric cell For those who want to kee …
Also in: How chlorine is introduced · Chlorine and combined chlorine · Treatment at filling · Trichlor, dichlor and cyanuric acid
… sensor or proportional to the volume measured by a water meter. Dechlorination systems → 2 Waiting period Some local regulations allow, as an alternative to dechlorination, emptying water to be discharged after a waiting period following the last chlorination …
Also in: Private swimming pools too
Most priming problems can be prevented at the installation stage, paying particular attention to the suction circuit. 1 Short suction Pump close to the tank, with a low suction lift and a suction tube as short as possible, with no loops or sections where air c …
Also in: How to prime the pump · Installation mistakes to avoid
… diaphragms, seals and tubing, so that the most suitable configuration can be chosen for the liquid to be dosed. 490 chemicals 12 materials Search by name or formula Details Request a quotation PVDF pump head
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