98 pages for “cat=approfondimenti&q=q%3Dq%2Bq%2Bcan%2Balarm%2B2bq%2B2bq%2B2dosing%2Bpump”
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… opening time: when it expires, the controller closes the drain and signals the alarm, as protection against valve or probe failure. Pre-bleed Bleed-off carried out before biocide dosing, timed or down to a lower conductivity: during dosing and the subsequent l …
Also in: Treatment products · Cycles of concentration
… meter on the pipe controls dosing in proportion to the volume of water; it can also control the film-forming inhibitor pump. Based on the measured residual A self-cleaning amperometric cell measures the residual chlorine dioxide in mg/l and controls dosing up …
Also in: Stabilised or generated on site · How it is generated on site · Safe production
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
… 1.35 m, 1 hour between 0.4 and 0.6 m, half an hour up to 0.4 m. 4 Filters and pumps At least two equivalent filters and two pre-filters in parallel (one in type 2 pools up to 100 m²); as many circulation pumps as there are filters, plus one standby pump in rot …
Also in: With water presence sensor · With pulse-output water meter · How chlorine is introduced · What is needed for the footbath
… 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 contact time suited to t …
Also in: Disinfection systems · Water analysis · How to disinfect well water · The closed amperometric cell
… 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: Alternatives to chlorine · Sodium hypochlorite · Salt chlorinator management · Which system to choose
… 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: Cooling towers, swimming pools and whirlpool baths · Legionella in the Consolidated Act · Risk assessment (Article 271) · Comparison of treatments
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 …
… 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 control systems
… 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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