96 pages for “cat=approfondimenti&q=q%3Dq%2Bq%2Bcan%2Bone%2B2bq%2B2bq%2Bswimming%2Bpool”
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Pool water requirements Parameter Value Temperature, indoor pools 24 – 30 °C Temperature, indoor pools for children 26 – 32 °C Temperature, outdoor pools 18 – 30 °C pH, chlorine disinfection 6.5 – 7.5 pH, stabilised chlorine 6.9 – 7.7 Active free chlorine 0.7 …
Also in: Classification of swimming pools · Circulation and filtration · Physical treatment
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
… measured free chlorine, 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 cont …
Also in: The reference electrode · 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 · Design and management of domestic water systems
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: How it is generated on site · Dosing and measurement
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
… 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 …
… installed in by-pass or in-line on the pipe. 2 Dosing The controller drives one or more dosing pumps, which inject the disinfectant directly into the storage tank or, where there is none, into the pipe. 3 Contact time For chlorine to disinfect the water, a con …
Also in: Water analysis · Treatments · Influence of pH · The reference electrode
… 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 · Technical terms
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
… 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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