91 pages for “cat=approfondimenti&q=q%3Dcan%2Bapprofondimenti%2Bq%2Bq%2B3dq%2B2bq%2Bswimming%2Bpool”
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… the design, construction and management of water treatment systems for public swimming pools supplied with drinking water. It introduces the classification into type 1, 2 and 3 of UNI EN 15288-1; the pool water requirements remain those of the State-Regions Ag …
Also in: Classification of swimming pools · Water requirements and checks · Physical treatment · Chlorine and combined chlorine
Two types of water leave swimming pools, both public and private: water from emptying and renewing the pool and water from filter backwashing. Before discharge they must comply with the limits of Italian Legislative Decree 152/2006 (D.Lgs. 152/2006): chlorine, …
Also in: Private swimming pools too · What water leaves a swimming pool · Chlorine limits at discharge · How the dechlorinating agent is dosed
Pool water is in contact with the skin and is partly swallowed: it must have characteristics similar to those of drinking water, checked at every stage, from filling to discharge. Free chlorine coexists with the combined chlorine produced by bathers and, if tr …
Also in: Physical treatment · Chlorine and combined chlorine · Summary table · Filling
… the truly disinfecting share varies considerably from one water to another. Swimming pools A stable pH close to 7.2 – 7.4 provides, for the same amount of chlorine dosed, a greater quantity of hypochlorous acid. Sodium hypochlorite contains sodium hydroxide, w …
Also in: Measurement problems
… water; drift eliminators always in good working order. Cooling towers → Swimming pools and whirlpool baths Free chlorine in the pool 0.7 – 1.5 mg/l and pH 7.0 – 7.6, dosed automatically and continuously, with pumps and disinfection running 24 hours a day. In c …
Also in: Environments at risk · Priority buildings · The risk control protocol · Disinfection methods (Annex 13)
Domestic hot water Heating systems of hotels, hospitals, care homes and swimming pools, where hot water circulates continuously and the risk of Legionella is high. Legionella control → Drinking water Water storage tanks of large public installations and treatm …
Also in: Dosing and measurement
… 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 cell and DPD Insig …
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
… to make it drinkable. Using untreated water for drinking or personal hygiene can cause gastrointestinal disorders, infections and other serious illnesses. Physico-chemical part Indicates the physical treatments required: filtration, reduction of nitrates, hard …
Also in: The closed amperometric cell · Operation of a disinfection system
… they act by oxidation and are maintained with a measurable residual, which can be controlled continuously with Redox or with an amperometric cell. Chlorine loses effectiveness above pH 7.5 – 8; bromine remains effective at higher pH. Non-oxidising biocides Org …
Also in: Cycles of concentration
… 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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