103 pages for “cat=approfondimenti&q=q%3Dcan%2Bone%2Bq%2Bq%2B3dq%2B2bq%2B2dosing%2Bpump”
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… to 100 m²); skimmers are only permitted in type 2 pools up to 100 m², at least one every 20 m². 2 Submerged outlets and dye test Main drains, wall outlets and pool cleaner outlets must prevent the risk of entrapment according to the UNI EN 13451 series. Circul …
Also in: How chlorine is introduced · Sodium hypochlorite · With water presence sensor · With pulse-output water meter
… 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: Disinfection systems · Water analysis · How to disinfect well water · Treatments
… 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. It is the most widely used form of chlorine and the o …
Also in: Sodium hypochlorite · Alternatives to chlorine · Salt chlorinator management · Which system to choose
… order pre-bleed, pre-biocide, biocide, lock-out. Feed & Bleed The antiscalant pump runs for the entire time the drain is open. Feed & % Bleed At the end of the bleed-off, the pump doses for a percentage of its duration: with 10 minutes of bleed-off at 50%, 5 m …
Also in: Treatment products · Cycles of concentration
… The chlorine dioxide passes into the integrated storage tank, from which one or more dosing pumps inject it at one or more points or into one or more systems.
Also in: Dosing and measurement · Stabilised or generated on site
… and silver 10 mg/l of peroxide and 10 µg/l of silver, dosed with a flow-paced pump: less aggressive than chlorine and chlorine dioxide, with no reported by-products; concentrations must be checked systematically; not suitable for galvanised steel. Dosing stati …
Also in: Design and management of domestic water systems · The Legionella parameter · Sampling · Cooling towers, swimming pools and whirlpool baths
… chosen according to the actual operating conditions: several external factors can alter the measurement. Dirty diaphragm Deposits on the porous diaphragm generate spurious potentials and therefore measurement errors. Depending on the application, self-cleaning …
Also in: pH and disinfection with chlorine · The reference electrode · pH control systems
Priming fills the suction tube and the pump head with chemical. It is carried out at first start-up, after a long shutdown and whenever air has entered the circuit. Dosing pumps → 1 Connect the tubes Suction, delivery and purge tubes connected, with the purge …
Also in: Why the pump does not dose · Correct installation · Installation mistakes to avoid
Dosing pumps are used to dose chemicals: for each chemical, the table shows the resistance of the materials of pump heads, valves, fittings, diaphragms, seals and tubing, so that the most suitable configuration can be chosen for the liquid to be dosed. 490 che …
Also in: Materials and their use
1 Dechlorination A dosing pump injects a dechlorinating agent, such as sodium metabisulphite or hydrogen peroxide, into the discharge pipe, with constant dosing activated by a water presence sensor or proportional to the volume measured by a water meter. Dechl …
… Pools for collective use UNI 10637:2024 Closed cell and DPD Insight → Dosing pumps The pump does not prime or dose Causes and remedies Priming Insight → Swimming pools · Regulations Swimming pool discharge D.Lgs. 152/2006 Dechlorination Insight → Drinking wate …
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