58 pages for “cat=approfondimenti&q=q%3Dcan%2Bone%2Bq%2Bq%2Bdosing%2Bpump”
… to the water meter The pulse-output water 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 chlori …
Also in: How it is generated on site · Stabilised or generated on site · Safe production
… 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: Dechlorination: constant or volumetric dosing · Disinfection and pH control · With pulse-output water meter · How chlorine is introduced
… in a flow-through probe holder 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 chlorin …
Also in: Disinfection systems · How to disinfect well water · The closed amperometric cell · Water analysis
… 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 lock-out, in fact, the drain remains blocked. Lock-out Blocking of the drain valve for the set time a …
Also in: Treatment products · The 2015 Legionellosis Guidelines for cooling towers · The water balance · Cycles of concentration
… 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. It is the most widely used form of chlor …
Also in: Sodium hypochlorite · Alternatives to chlorine · Physical treatment · Redox: an indirect measurement
… not recommended with copper pipework. LOTUS generator →LDsCL measurement and dosing → Chlorine Shock hyperchlorination: 20 – 50 mg/l of free chlorine throughout the network with the installation below 30 °C (2 hours at 20 mg/l or 1 hour at 50 mg/l), then 0.5 – …
Also in: Comparison of treatments · Prevention in water systems: the solutions · Design and management of domestic water systems · The Legionella parameter
… Batch neutralisation: control of tank filling and emptying, mixers and dosing pumps until the required pH is reached. LDsPN →
Also in: Measurement problems · Why control pH · pH and disinfection with chlorine · The reference electrode
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