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The characteristics of the device are similar to the GVCH-12A model. The difference is the generator capacity of 25 liters / hour, the purity of the produced hydrogen is lower (99.9995% vol). Technical specifications Purity of hydrogen in terms of dry gas шы about 99.9995% Concentration of water vapor at 20OC and 3 atm is no more than 7 ppm Total hydrogen capacity reduced to normal conditions is 25 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 0.04 l/h 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 0.5 years Average pump life (for single-shift operation) is at least 0.5 years Power consumption: in stationary mode is no more than 250 VA maximum (at startup) is no more than 280 VA Overall dimensions of the generator, (width x depth x height) is not more than 230x470x450 mm The mass of the generator is. not more than 18 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 generator is designed to produce hydrogen of the highest purity used to power analytical instruments (chromatographs, gas analyzers, etc.). Technical specifications Purity of hydrogen in terms of dry gas is about 99.998% The concentration of water vapor at 20 OC and 1atm is not more than 10 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 36 l/h The time of setting the operating mode, with the output turned off is no more than 20 minutes In the performance stabilization mode: The range of the specified hydrogen performance is from 0 to 36 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 not more than 0.06 l/hour Water consumption is 2.4 g/l of hydrogen The average life of a replaceable deionization filter cartridge (at maximum performance and single-shift operation) is at least 0.5 years Average power consumption: in stationary mode is no more than 250 VA maximum (at startup) is no more than 300 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 18 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 5000 m3/hour

The oil-free compressor is designed to supply air to laboratory nitrogen and oxygen generators, purge optical systems of laboratory devices with dry air, etc. A feature of the device is the presence of a built-in automatic regeneration system of the air drying filter, which frees the user from routine maintenance. Small dimensions, low noise level, lack of maintenance work allow the compressor to be placed in the laboratory room and make working with it easy. Technical specifications Rated output, reduced to normal conditions is 7.0 l/min Maximum output, reduced to normal conditions is 9.0 l/min The range of the set output pressure is from 1.0 to 6.0 ati Output pressure stability at constant flow rate is not worse than ± 0.2 ati Stability of the output pressure when the flow rate changes from 0.5 to the maximum value is not worse than ± 0.4 ati The dew point of the outlet air at an ambient temperature of 20 ° C and rated capacity is not higher than minus 30 ° C The dew point of the outlet air at an ambient temperature of 20 ° C and maximum performance is not higher than minus 15 ° C Volume of the built-in receiver is 6 l The noise level of the device is not more than 50 db Ready time after switching on is no more than 10 min Power consumption is not more than 600 VA Overall dimensions of the device (width x depth x height) are not more than 230x580x530 mm Weight of the device is not more than 27 kg Working conditions: ambient temperature, °C from +10 to +35 relative humidity of the ambient air, % 80 power supply from a single-phase network: AC voltage, 220 ± 10% and frequency, Hz 50 ± 1

The pure nitrogen generator (hereinafter referred to as the generator) is designed to produce in laboratory conditions nitrogen of the highest purity that is used to power analytical instruments (chromatographs, including those equipped with an electronic capture detector, express analyzers of hydrogen content in metals, organic carbon concentration meters, sample evaporators, etc.). 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) 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 60 l/hour (1.0 l/min) Nominal output pressure of nitrogen 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/hour, 1800 (30 l/min) Power consumption is not more than, VA, 100 Overall dimensions, (width x depth x height) are not more than, mm, 220x540x670 Weight is not more than, kg 32 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

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.

The flow regulator consists of the following parts: Body. It includes a connector for connection to the control controller and fittings for connecting the input and output gas lines. Calorimetric converter. Due to the heating of the gas along the flow section, the temperature difference is determined. The actuator (solenoid valve). The control board. A system of elements responsible for converting the signals that the user submits. TECHNICAL CHARACTERISTICS OF RD The gas pressure at the inlet is (0.4 + 0.04) MPa. Ranges of working gas flow rates — from 5 to 800 ml/min. The ability to specify the type of gas (nitrogen, helium, hydrogen, argon, air). Pressure ranges — from 0.001 to 0.40 MPa with a discreteness of 0.0001 MPa. The deviation of the carrier gas flow rate from the average value is + 1.5% in the flow range from 50 to 100 ml/min and + 0.5 ml/min in the flow range from 3 to 50 ml/min. Relative deviation of the average steady-state gas flow rate from the set value in the range from 3 to 100 ml/min: + 2.5%, but not less than 0.5 ml/min; from 100 to 200 ml/min.: + 5%; from 200 to 800 ml/min.: + 10%. The gas pressure at the inlet is (0.4 + 0.04) MPa. The deviation of the regulated output pressure of the regulator from the set value is not more than 1%.