Drinking water disinfection with chlorine dosing syste

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Chlorine dosing systems working in accordance with DIN 19606 are deployed to disinfect drinking water, especially in large waterworks. These systems use chlorine in cylinders and drums in accordance with the standards of DIN EN 937. The maximum permissible amount of chlorine is 1.2 mg/l, and the usual concentration at the output of the waterworks lies between 0.1 and 0.3 mg/l.

To maintain these values precisely, the dosing of chlorine gas is usually controlled by a volume signal that is monitored by automatic measurement and control technology. The chlorine gas system operates as a full vacuum system, which means that there is negative pressure at the time of withdrawal from the tank to eliminate any risk of chlorine gas escaping in the event of a leakage.

The safety requirements placed on the system, the room and operation make the chlorine gas procedure an extremely safe method of drinking water disinfection. Two or more chlorine gas tanks with automatic switching are normally provided to ensure continuous chlorination. These automatically switch over to a full chlorine gas tank as soon as one of the connected tanks is empty.

Passende Produkte für Ihre Anwendung

Vacuum regulator C 2213
The C 2213 is designed for both individual and parallel use of several vacuum regulators in battery operation. A heated droplet separator is optionally available for use on gas drums on the pressure side. Features & benefits Throughput capacity with chlorine gas: up to 10 kg/h Residual pressure protection: Prevents the chlorine cylinder from being completely evacuated to prevent corrosion caused by moisture in the air Filter: To protect the valve from dirt particles from the chlorine cylinder or the connection area Cylinder pressure gauge: To display the pressure in the chlorine tank Simultaneous withdrawal: For largely uniform chlorine withdrawal from several chlorine cylinders in battery operation Flow limiter: To prevent cylinder icing due to excessive chlorine withdrawal Gas filter Compact design Available with all standard gas connections

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Vacuum regulator C 2214
The C 2214 is designed for individual operation. For use on gas drums, a heated droplet separator is optionally available on the pressure side in the inlet valve of the C 2214. A safety blow-off valve is integrated and prevents an impermissible increase in pressure in the downstream vacuum line system. The quantity of gas dosed can be optimally adjusted on the C 2214 using a dosing valve and flow meter. Features & advantages Throughput capacity with chlorine gas: up to 4 kg/h Residual pressure protection: Prevents the chlorine cylinder from being completely evacuated to prevent corrosion caused by moisture in the air Filter: To protect the valve from dirt particles from the chlorine cylinder or the connection area Cylinder pressure gauge: For displaying the pressure in the chlorine tank Integrated safety blow-off valve Flow meter with manual setting Gas filter Compact design Available with all standard gas connections

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TOPAX
Your versatile partner in measurement and control technologyWithits modular design, the multi-channel controller proves to be an adaptable and extremely competent companion for various measurement and control tasks. The modularity of the multi-channel controller makes it possible to record a wide range of measurement parameters such as chlorine, pH value, redox value or even quadruple pH value measurements in any conceivable combination,and the outputs are also freely selectable. Dosing pumps can be controlled via optocouplers or relays, as well as actuators via relays or a 20 mA output.The colour display with a very high resolution shows a user-friendly user interface. The user-friendliness is rounded off by simple touch operation and multilingual, intuitive menu navigation.Free digital outputs can be configured as required. Regardless of whether they are to switch in the event of low sample water, measured value overflow, measured value underflow or other possible alarm triggers: There are no limits to the configuration.You can use the four analogue outputs (0/4 - 20 mA) or the network capability to forward measured values to a web browser or a remote control station. An adjustable time interval can be used, for example, to automatically remind you to replace sensors due to wear and tear, anddata such as measured values, settings and alarm messages can be easily saved to a USB stick via a USB interface. Core functions of the multi-channel controller at a glance: Modular design of the inputs and outputs Up to four sensors and up to four additional temperature sensors Freely configurable overviews Differential value measurement (e.g. ∆pH) Graphic display of the setpoint deviation Up to four setpoint sets can be configured and loaded via digital input or timer control Service entries and sensor changes can be saved Limit value control (can be used as DIN contact for partial load operation in accordance with DIN 19643) 1 - 9 potential-free relay outputs Web server and Modbus protocol via Ethernet Trend display Large colour touch display Data storage on a USB stick

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ChlorStop
The purpose of the ChlorStop pressure safety shut-off valve is to interrupt the chlorine gas supply or the chlorine gas outlet directly from a chlorine tank immediately after a chlorine alarm or the detection of excess pressure (e.g. by the PLUS safety blow-off valve). ChlorStop is mounted directly on the tank valve. An electromagnet closes the valve within a very short time. This ensures a high level of safety and prevents further chlorine gas leaks. Features & advantages Interruption of the chlorine gas supply directly from a chlorine tank valve Shortest closing time due to electromagnets Direct connection e.g. possible for a chlorine vacuum regulator Suitable for gaseous chlorine Optional control unit for simultaneous closing of up to 12 valves Simple commissioning Simple and space-saving installation Low maintenance effort for chlorine gas in accordance with DIN EN 15363 and 937

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Battery
Fasspumpe
Battery drum pump - concentrated acids and alkalis
for highly chemical liquids and salts
Description: The new B3 Battery is a battery motor for demanding and efficient pump applications. The current-independent application range enables the greatest possible flexibility with the world's highest volume flow of a battery pump (up to 180 l/m). Perfectly suited for withdrawing or transferring concentrated acids and alkalis. Examples of media: Chloric acid, chromic acid, sulphuric acid, nitric acid, hydrofluoric acid and sodium hypochlorite etc. Pumping unit equipped with Lutz original handwheel Features & advantages wear-free, particularly low-noise BLDC motor Optimised drum emptying Infinitely variable Extremely high performance with low weight Maintenance without special tools Sealing modules of the sealless (DL) pump can be replaced Long service life

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