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These generators are designed to supply hydrogen to flame chromatographic detectors. The produced hydrogen meets the requirements of GOST 3022-80. Technical specifications for GV-75 iGV-75-O: Productivity H2, l/h 0-75 0-75 O2 capacity, l/h - 37 Maximum output pressure, atm 2 2 Hydrogen pressure stability, not worse, atm 0.0025 0.0025 Hydrogen water content, not more than, ppm 5 5 Purity of hydrogen, % 99.995 99.995 Time to enter the mode, min 30 30 Water consumption, g/l H2 1.0 1.0 Working time without refilling water, hour 4 4 Tank volume O2, l 2.5 2.5 The volume of water to be added to the O2 tank when the "Top up water" alarm is triggered is no more than 1,4 1,4 liters Power consumption, max, VA 800 800 Overall dimensions (width×depth×height), not more than, mm 260×438×550 260×438×550 Weight, not more than, kg 25 26

The characteristics of the device are similar to the GVCH-12A model; the difference is in the absence of an autoregeneration system for fine gas filters. Technical specifications Purity of hydrogen in terms of dry gas is about 99.9999% The concentration of water vapor at 20 ° C and 1 atm is not more than 5 ppm In the output pressure stabilization mode The range of the specified output pressure of hydrogen is from 1.5 to 6.1 ati Stability of the output pressure of hydrogen is not worse than ± 0.02 ati Maximum hydrogen capacity reduced to normal conditions is 12 l/h The time of setting the operating mode, with the output turned off is no more than 30 min In the performance stabilization mode: The range of the specified hydrogen performance is from 0 to 12 l/h Maximum developed pressure in performance mode is 5.0 ati Volume of distilled water to be poured is 1.0 l Distilled water consumption is no more than 0.02 l/hour Water consumption is 1.6 g/l of hydrogen The average life of a replaceable deionization filter cartridge (at maximum performance and single-shift operation) is at least 1 year Average power consumption: in stationary mode is no more than 150 VA maximum (at startup) is no more than 200 VA Overall dimensions of the generator, (width x depth x height) are not more than 230x470x450 mm The mass of the generator is not more than 15 kg Operating conditions: ambient temperature, °C, from +10 to +35 powered by single-phase AC voltage, V, 220 (+10 -15)% and frequency, Hz, 50 ± 1 The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

The Provita company offers adsorption dryers with cold and hot regeneration of its own production. Industrial installations are equipped with high-quality components that ensure reliability and long service life. They are capable of operating at a pressure of 4 to 16 bar and are drained to a TRD (dew point under pressure) of -70 ° C. Working pressure: 4 — 16 bar Dew point: -20 to -70°C Capacity: from 50 to 20000 m3/hour

The PU desktop laboratory unit is an automated installation based on a mini–reactor with a fixed layer that has a volume of up to 1.5 cm3. The PU desktop laboratory unit is designed to perform kinetic studies, evaluate the properties of catalysts, model catalytic processes, test the stability of catalysts and sorbents. For maximum compliance with the customer's requests, the installation has a modular design with the possibility of adding new options. Main advantages: 1. Compactness; 2. Real-time parameter monitoring; 3. Easy maintenance; 4. Operation safety; 5. User-friendly interface. Applied tasks 1. Hydrogenation/dehydrogenation processes of hydrocarbons; 2. Fischer-Tropsch synthesis; 3. Catalytic cracking and isomerization; 4. Reforming of natural gases; 5. Hydrogenation processes; 6. Catalytic oxidation; 7. Hydrotreating processes. Basic equipment 1. Gas supply unit 2. Reactor unit 3. Separation unit 4. Sampling unit 5. Unit for measuring the volume of the outgoing gas 6. Control unit

It can be used as a primary source of carrier gas, since it is equipped with an additional gas purification system. This device is especially relevant when, for some reason, helium is not available to the consumer (for example, when working with a thermal conductivity detector - an accident). Due to the high thermal conductivity of hydrogen, TTP operates with significantly greater sensitivity than helium.

The Meta-chrome digital gas flow meter is designed to maintain a given pressure and the ratio of the amount of gases (in the flow mode) or gas flow (in the intake mode) in vacuum installations with automatic and manual control. technical specifications The number of control channels is 2 (or more on request). The maximum flow rate for each of the channels is 700 cm3/min. The possibility of using gas correction coefficients, the most commonly used gases are listed in the leaker database. The accuracy of maintaining a given proportion of gases is 5%. The accuracy of maintaining the specified gas flow rates is 3%. Input pressures from 1 to 4 atm. Electric power supply from a single—phase AC network with voltage from 187 to 242 V, frequency (50 ± 1) Hz, operating mode - continuous. Power consumption (without a personal computer), no more than — 30 VA. Overall dimensions (width × depth × height), no more than 165×350×215 mm. Weight, not more than 5.5 kg.

Designed for laboratory production of nitrogen of the highest purity that are used to power analytical instruments (chromatographs, express analyzers of hydrogen content in metals, organic carbon concentration meters, sample evaporators, etc.), boxes with an inert atmosphere.

The characteristics of the device are similar to the GVCH-12M1 model. The difference is the generator capacity of 16 liters /hour. Technical specifications Purity of hydrogen in terms of dry gas is about 99.9999% The concentration of water vapor at 20 ° C and 1 atm is not more than 5 ppm In the output pressure stabilization mode The range of the specified output pressure of hydrogen is from 1.5 to 6.1 ati Stability of the output pressure of hydrogen is not worse than ± 0.02 ati Maximum hydrogen capacity reduced to normal conditions is 16 l/h The time of setting the operating mode, with the output turned off is no more than 30 min In the performance stabilization mode: The range of the specified hydrogen performance is from 0 to 16 l/h Maximum developed pressure in performance mode is 5.0 ati Volume of distilled water to be poured is 1.0 l Distilled water consumption is no more than 0.025 l/hour, Water consumption is 1.6 g/l of hydrogen The average life of a replaceable deionization filter cartridge (at maximum performance and single-shift operation) is at least 1 year Average power consumption: in stationary mode is no more than 200 VA maximum (at startup) is no more than 250 VA Overall dimensions of the generator, (width x depth x height) are not more than 230x470x450 mm The mass of the generator is not more than 16 kg Operating conditions: ambient temperature, °C, from +10 to +35 powered by single-phase AC voltage, V, 220 (+10 -15)% and frequency, Hz, 50 ± 1 The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

The characteristics of the device are similar to the GCHA-18 model; the difference is that the oil–free compressor built into the GCHA-18-K generator provides complete autonomy of the device. The warranty for the device is 18 months, for the built-in compressor-12 months from the date of sale.

The characteristics of the device are similar to the GVCH-12A model. The difference is the generator capacity of 16 liters /hour. Technical specifications Purity of hydrogen in terms of dry gas is about 99.9999% Concentration of water vapor at 20OC and 1atm is not more than 5 ppm Total hydrogen capacity, reduced to normal conditions is not less than 16 l/h The range of the specified output pressure of hydrogen is from 3.0 to 6.1 ati Stability of the output pressure of hydrogen is not worse than ± 0.02 ati The time of setting the operating mode, with the output turned off is no more than 30 min Volume of distilled water to be poured is 1.0 l Distilled water consumption is no more than 0.03 l/hour Water consumption is 1.6 g/l of hydrogen The average life of the replaceable cartridge of the deionization filter (at maximum performance and single-shift operation) is not less than 1 year Average power consumption: in stationary mode is no more than 220 VA maximum (at startup) is no more than 250 VA Overall dimensions of the generator, (width x depth x height) are not more than 230x470x450 mm The mass of the generator is not more than 17 kg Operating conditions: ambient temperature is from +10 to +35 °C powered by single-phase AC voltage, V, 220 (+10 -15)% and frequency, Hz, 50 +1 The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

GCHA-180 nitrogen generators are designed to produce in laboratory conditions nitrogen of the highest purity that is used to power analytical instruments, boxes with an inert atmosphere. Technical specifications The grade of nitrogen produced according to GOST 9293-74 is high purity, grade I Volume fraction of nitrogen is not less than, % by volume (including impurities of inert gases — argon, neon, helium) 99.999 Volume fraction of oxygen is not more than, % vol. 0.0005 (5 ppm) Volume fraction of water vapor is not more than, % vol. 0.0007 (7 ppm) Volume fraction of hydrogen is not more than, % vol. (ppm) 0.0002 (2 ppm) The volume fraction of the sum of carbon-containing compounds in terms of methane is not more than, % vol. (ppm)* (with a methane content in the supply air of not more than 4 ppm) 0.0003 (3 ppm) Maximum nitrogen capacity is not less than, l/h, 180 (3.0 l/min) Nominal nitrogen output pressure (with the throttle open) is 4 ati The time of setting the operating mode for single-shift operation is no more than 45 min Nominal inlet air pressure is 6 ati Maximum allowable inlet air pressure is 8 ati Minimum inlet air pressure is 5.5 ati Compressed air consumption, at nominal inlet pressure and maximum flow rate is no more than, l/h, 4200 (60 l/min) Power consumption is not more than, VA, 100 Overall dimensions, (width x depth x height) are not more than, mm, 230x580x680; Weight is not more than, kg 36 Working conditions: ambient temperature, C°, from +10 to +35 Electric power supply from single-phase AC mains voltage, V, 220± 10% and frequency, Hz, 50 ± 1 Average full service life is at least 6 years The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76

The nitrogen generator is designed to create an inert atmosphere, fill low-pressure tanks, "wash" test tubes with inert gas and other applications that require a large, by laboratory standards, nitrogen consumption with reduced requirements for its purity. Technical specifications Volume fraction of nitrogen is not less than 99.5 % by volume (including impurities of inert gases — argon, neon, helium) Volume fraction of oxygen is not more than 0.5 % vol. Volume fraction of water vapor is not more than 0.002 % vol. (20 ppm) Maximum nitrogen capacity: at an inlet air pressure of 8 ati is at least 600 l/h (10 l/min) at an inlet air pressure of 6 ati is at least 480 l/h (8 l/min) The time of setting the operating mode for single-shift operation is no more than 30 min Nominal inlet air pressure is 8 ati Maximum allowable inlet air pressure is 8.5 ati Minimum inlet air pressure is 7.5 ati Compressed air consumption, at nominal inlet pressure and maximum flow rate is no more than 3600 l/hour (60 l/min) Overall dimensions, (width x depth x height) are not more than 230x580x680 mm Weight is not more than 32 kg Working conditions: ambient temperature, C°, is from +10 to +35 Electric power supply from single-phase AC mains voltage, V, 220± 10% and frequency, Hz, 50 ± 1 Average full service life is at least 6 years The generator for electrical safety meets the requirements of Class 1, type H according to GOST 12.2.025-76