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GRUNDFOS INSTRUCTIONS VGA-113-110 Dosing regulator, without differential pressure regulator Installation and operating instructions Other languages http://net.grundfos.com/qr/i/95714224...
Principle function of the components 1.1 Structure of the documentation 2.5.1 Vacuum regulator 2.5.2 Measuring tube The Grundfos Alldos device VGA-113 are a state-of-the-art 2.5.3 Rate valve solution, which complies with recognised safety regulations. 2.5.4 Differential pressure regulator (Option: VGA-117) Conformity with applicable standards, directives and laws has 2.5.5 Vacuummeter (Option: VGA-117)
35,457 • Read this manual before operating the VGA-113. Molecular weight Cl 70,941 • Be trained by qualified personnel from Grundfos Alldos in the Density (liquid) 1,57 g/cm at -34,05 °C operation of the system. Density (gaseous) 3,214 g/l at 0 °C, 1 bar •...
2.2 Safety advice for handling chlorine 2.2.4 First aid in case of accidents First aid after having inhalated chlorine 2.2.1 Risks to health • Keep calm. Chlorine gas is toxic, more than 50 Vol.-ppm in the indoor air • Remove injured persons from the dangerous area. mean an acute danger to life.
2.2.6 Pressure vessels and mountings Chlorine is being offered in two container designs: • Steel cylinders containing 50 kg or 65 kg, equipped with one valve for – the withdrawal of gaseous chlorine from the upright standing cylinder Variant of chlorine cylinder Valve thread acc.
2.2.7 Chlorine extraction 2.3 Checking the tightness Before the extraction Before commissioning check the tightness of the whole plant. • The chlorine containers must be stored at least for 8 hours in Warning the container room so that the content can adapt the ambient Do not check the tightness until the whole plant is temperature.
2.4 Constructional requirements of chlorination plants • Instruction sheet for first aid in case of chlorine gas intoxications, to be installed inside the rooms All chlorine rooms • Maximum temperature: 50 °C – recommended temperature: 18 - 20 °C – recommended minimal temperature: 15 °C •...
2.5 Principle function of the components Gas Dosing System Rate Valve Differential pressure regulator Measuring tube Vaccum Chlorine gas meter Vacuum regulator Motive water Injector Fig. 12 Components of a chlorinator 2.5.1 Vacuum regulator • Reduces the gas pressure (overpressure) to subatmospheric pressure (vacuum) 2.5.2 Measuring tube •...
2.6 List of valid laws and regulations Laws and Regulations Verordnung über Arbeitsstätten (Arbeitsstättenverordnung - ArbStättV) BGBl. I 1975 S. 729 Regulations concerning places of work (ArbStättV) Verordnung über Druckbehälter, Druckgasbehälter und Füllanlagen (Druckbehälterverordnung - DruckbehV) mit BGBl I 1980 S. 173, technischen Regeln Druckbehälter (TRB) mit technischen Regeln Druckgase (TRG) Regulations concerning pressure containers, gas cylinders and filling systems (pressure containers - DruckbehV) with technical rules for pressure containers (TRB) with technical rules for pressure gases (TRG)
DN 8 DN 10 DN 15 DN 20 Grundfos Alldos company standard calculated with pressure drop p=12.5 mbar The indications in this table result from pressure loss observations. They do not take into consideration the possible influence of length and diameter of lines on the operational reliability of the system.
3.4 Electrical data for VGA-113 4. Installation 3.4.1 Servomotor with current input 4.1 Transport and storage • Handle with care, don’t throw! Servomotor Synchronous motor with limit switches • Dry and cool storage place. Current input 4 - 20 mA Actuating time 0-100 % ca.95 s (50 Hz), ca.
5. Commissioning Vacuum regulator e.g. VGA-111 with liquid trap and/or contact pressure gauge 5.1 Preparations for commissioning • Connect the heating of the optional liquid trap. – Connect the mains line to the mains. 5.1.1 Vacuum connections • Connect the optional contact manometer. Warning –...
5.2.2 Checking the tightness Checking the inlet valve Warning • Remove the union nut at the overpressure connection and Liquid ammonia must not come in contact with parts take off the overpressure line. of the plant! • Close the rate valve. Danger of leakages by corrosion! •...
6. Operationh 6.2.1 Switching from automatic to manual adjustment of the dosing flow; only with option servomotor 6.1 Description of the device • Switch off automatic control. • Push the coupling (1) upwards. • Move the retention pin (2) through the coupling, until it cannot move down any longer.
6.3.2 Decreasing the dosing flow 6.6.2 Switching off while the system is running • Turn the adjustment knob of the rate valve slowly to the left. • Close the cylinder valve. • Let the system run until the measuring tube shows no more gas flow.
6.8 Possible faults Fault Cause Correction The gasket at the pressure connection is Replace the gasket. damaged. Sealing surfaces are dirty, there are rests of Clean the sealing surfaces. old gaskets on the sealing surfaces. Gas leakage at the pressure The sealing surface at the connection of the connection.
8. Disposal This product or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop.
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Declaration of conformity GB: EU declaration of conformity CZ: Prohlášení o shodě EU We, Grundfos, declare under our sole responsibility that the products My firma Grundfos prohlašujeme na svou plnou odpovědnost, že výrobky VGA-111, VGA-113, VGA-117, VGA-146, VGB-103, VGS-141, VGS-143,...
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Declaration of conformity EAC Установки вакуумные для дозирования газов типа Vaccuperm сертифицированы на соответствие требованиям Технических регламентов Таможенного союза: ТР ТС 004/2011 "О безопасности низковольтного оборудования"; ТР ТС 010/2011 "О безопасности машин и оборудования"; ТР ТС 020/2011 "Электромагнитная совместимость технических средств". Сертификат...
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Phone: +55-11 4393 5533 20th km. Athinon-Markopoulou Av. Telefax: +64-9-415 3250 Turkey Telefax: +55-11 4343 5015 P.O. Box 71 GRUNDFOS POMPA San. ve Tic. Ltd. Sti. Norway Bulgaria GR-19002 Peania Gebze Organize Sanayi Bölgesi GRUNDFOS Pumper A/S Grundfos Bulgaria EOOD...
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