90 pages for “cat=approfondimenti&q=q%3Ddosing%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
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
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
From dosing in proportion to volume, to systems that measure the residual, up to multi-parameter systems for water supply networks. The DPD method always accompanies the automatic system: to calibrate it, to verify it and for checks along the distribution netw …
Also in: Operation of a disinfection system · How to disinfect well water · Influence of pollutants · The closed amperometric cell
… 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
… 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 …
… Batch neutralisation: control of tank filling and emptying, mixers and dosing pumps until the required pH is reached. LDsPN →
Also in: Why control pH · Measurement problems
… WDpHCl Bromine up to 150 m³, LDpHCl for bromine above. WDpHCl Bromine pump →SBR cell → Hydrogen peroxide Active oxygen measured by the SCL9 closed cell (0 – 200 mg/l, 0.1 mg/l resolution); typical set points 30 mg/l and pH 7: WDpHCl Peroxide up to 150 m³, LDpH …
Also in: Sodium hypochlorite · How chlorine is introduced · The closed cell in operation · Salt chlorinator management
… 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
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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