78 pages for “cat=approfondimenti&q=q%3Dcan%2Bpump%2Bq%2Bq%2Bdosing%2Bpump”
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: Installation mistakes to avoid · Why the pump does not dose · Correct installation
… 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
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
A dosing pump injects a dechlorinating product into the discharge pipe, for example sodium metabisulphite or hydrogen peroxide, with constant dosing activated by a water presence sensor or proportional to the discharged volume measured by a water meter. With w …
Also in: Disinfection and pH control · With pulse-output water meter · With water presence sensor · Circulation and filtration
… 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
… 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 · Cooling towers, swimming pools and whirlpool baths · Legionella in the Consolidated Act
Dosing stations Mixing and dosing of acids or bases with constant, volumetric or proportional dosing, with all components pre-installed on the tank. Dosing stations → LDspH pH measurement and control, with dosing of acids and bases proportional to the measured …
Also in: Measurement problems · Why control pH
… 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: Alternatives to chlorine · Sodium hypochlorite · Physical treatment · The closed cell in operation
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 …
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