DRYBERG®️ RF19/AC Refrigeration dryer
Product number:
1404037623
Manufacturer:
BERG Kompressoren GmbH
Stock:
0
Product information "DRYBERG®️ RF19/AC Refrigeration dryer "
Refrigeration dryer DRYBERG®️ RF19/AC equals to DRYPOINT®️ RA1080/AC
Function description
Operating principle – All dryer models described in this manual function according to the same principle. The hot and moisture-loaded air is led into an air/air heat exchanger. Afterwards, the air flows through an evaporator, which is also known as an air/refrigerant heat exchanger. The air temperature is reduced to approximately 2°C, so that water vapour condenses to liquid. The continuously accumulating condensate is collected in the separator to be discharged via the condensate drain. Subsequently, the cold and dry air is led through the air/air heat exchanger, so that it is reheated to up to 8°C below the inlet temperature when leaving the dryer.
Refrigeration cycle – The refrigerant is conducted through the compressor and reaches a condenser under high pressure. There, cooling-down takes place, making the refrigerant condense to a liquid state which is under high pressure. The liquid is pressed through a capillary tube where the resulting pressure drop ensures that the refrigerant evaporates at a defined temperature. The liquid refrigerant which is under low pressure is led into the heat exchanger, where it expands. The cold resulting from the expansion serves to cool down the compressed air in the heat exchanger. During this process, the refrigerant evaporates. The low-pressure gas is resupplied to the compressor, where it is compressed again. It then re-enters the cycle. In phases of a reduced compressed-air load, the excess refrigerant is resupplied automatically to the compressor via the hot gas bypass valve.
Refrigeration cycle – The refrigerant is conducted through the compressor and reaches a condenser under high pressure. There, cooling-down takes place, making the refrigerant condense to a liquid state which is under high pressure. The liquid is pressed through a capillary tube where the resulting pressure drop ensures that the refrigerant evaporates at a defined temperature. The liquid refrigerant which is under low pressure is led into the heat exchanger, where it expands. The cold resulting from the expansion serves to cool down the compressed air in the heat exchanger. During this process, the refrigerant evaporates. The low-pressure gas is resupplied to the compressor, where it is compressed again. It then re-enters the cycle. In phases of a reduced compressed-air load, the excess refrigerant is resupplied automatically to the compressor via the hot gas bypass valve.
Technical data "DRYBERG®️ RF19/AC Refrigeration dryer "
| Refrigeration dryer | DRYBERG®️ RF19/AC |
| Volume flow (m3/h) at +3 °C | 1140 |
| Power consumption (kW) | 2,10 |
| Pressure loss (Δp bar [g]) | 0,21 |
| Air connection (ø) | G 2 1/2" BSP-F |
| Dimensions AxBxC (mm) | 1100x645x920 |
| Weight (kg) | 170 |
Operating pressures multiply air flow with correction factor f1
| bar (g) | 4 | 5 | 6 | 7 | 8 | 10 | 12 | 14 |
| f1 | 0.77 | 0.86 | 0.93 | 1.00 | 1.05 | 1.14 | 1.21 | 1.27 |
Ambient air temperatures multiply air flow with correction factor f2
| °C | 25 | 30 | 35 | 40 | 45 |
| f2 | 1.00 | 0.95 | 0.88 | 0.79 | 0.68 |
Compressed air inlet temperatures multiply air flow with correction factor f3
| °C | 25 | 30 | 35 | 40 | 45 | 50 | 55 |
| f3 | 1.20 | 1.11 | 1.00 | 0.81 | 0.67 | 0.55 | 0.45 |
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All articles in this group
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€31,892.00*
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Application-based
›› Efficient drying through highly effective aluminium heat exchanger combination
›› Stable pressure dew point of + 3 °C by utilising a hot gas bypass valve with external pressure equalisation and pressure-controlled fan
›› Optimum protection of the refrigeration cycle via low- and high-pressure switch (standard feature as of the RA 490 model)
DRYBERG®️ RF04/AC Refrigeration dryer
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€3,796.10*
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Refrigerant leak!
A refrigerant leak involves the danger of serious injury and damage to the environment.
The DRYBERG® RF 01-16 compressed-air refrigeration dryer contains fluorinated greenhouse gas/refrigerant.
Installation, repair and maintenance works at the refrigeration system must only be carried out by certified skilled personnel (specialists). A certification in accordance with EC regulation 303/2008 must be available.
The requirements of the EC 842/2006 directive must be met under all circumstances. Please refer to the indications on the name plate as regards the type and amount of refrigerant. Comply with the following protective measures and rules of conduct:
• Storage: Keep the container tightly closed. Keep it in a cool and dry place. Protect it against heat and direct sunlight. Keep it away from ignition sources.
• Handling: Take measures against electrostatic charging. Ensure good ventilation/suction at the workplace. Check fittings, connections and ducts for tightness. Do not inhale the gas. Avoid contact with the eyes or the skin.
• Prior to carrying out works on refrigerant-carrying parts, remove the refrigerant to such an extent that safe working is possible.
• Do not eat, drink or smoke during work. Keep out of the reach of children.
• Breathing protection: ambient-air-independent respirator (at high concentrations).
• Eye protection: sealing goggles.
• Hand protection: protective gloves (e.g. made of leather).
• Personal protection: protective clothing.
• Skin protection: use protective cream.
DRYBERG®️ RF74/AC Refrigeration dryer
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Refrigeration dryers with Energy Saving Impulse Technology and Thermal Mass
DRYBERG RF is the new generation of energy saving refrigeration dryers, our product offering for the compressed air treatment but also reinterprets the concept of a thermal storage operation that made the international success of the Hybrid dryers. The new Technology offers important advantages in terms of energy saving, reliability and operating costs as the RF dryer is able to adapt itself to the real needs of the compressed air system.
The regulation system of the dryer controls the dryer operation granting the most energetically effective method of compressed air drying, achieving high energy saving and ensuring at the same time an excellent dew point stability also in dynamic conditions.
• For high/medium flows, the dryer applies the Impulse Technology to regulate its drying capacity.
• For low air flows, the dryer utilizes the “thermal storage” operation.
DRYBERG®️ RF25/AC Refrigeration dryer
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EXTENDED HEAT EXCHANGE
RFE dryers feature a very robust 2-in-1 aluminum heat exchanger with an air-to-air heat exchanger, the air-to-air heat exchanger with a water separator connected externally through Victaulic connections. This advanced heat exchanger has been specially designed to maximize the heat transfer coefficient. Oversized Demister separator ensures optimum dew point performance and guarantees industry-leading pressure drops.
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Ambient conditions!
In the event that the dryer is not installed under suitable ambient conditions, the ability of the device to condense refrigerant gas is impaired. This can result in a higher load of the refrigerating compressor, and in a loss of efficiency and performance of the dryer.
This in turn leads to overheated condenser fan motors, to malfunction of electric components and to a breakdown of the dryer. Failures of this type will affect warranty considerations.
Do not install the dryer in an environment in which chemicals with a corrosive effect, explosive gases, toxic gases, evaporation heat, high ambient temperatures or extreme dust and dirt can be found.
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Air-air heat exchanger
Hot and humid air enters the air-to-air heat exchanger, where it exchanges heat in the total counterflow with the existing cold air. Pre-cooling saves energy by reducing the heat load to the evaporator area. The cold, dry compressed air flows through the secondary side of the air-to-air heat exchanger, where it is reheated by the hot supply air that pre-cools it.
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THERMAL STORAGE OPERATION FOR LOW AIR FLOWS
The refrigerant compressor cycles ON/OFF for maximum savings and reliability. Since the refrigeration capacity is greater than the load, the excess capacity cools the all-in-one exchanger that acts like a thermal storage.
• For high/medium flows, the dryer applies the Impulse Technology to regulate its drying capacity.
• For low air flows, the dryer utilizes the “thermal storage” operation.
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Minimum installation requirements:
• Choose an area which is clean and dry, free from dust and protected against atmospheric disturbances.
• The load-bearing zone must be even, horizontal and able to bear the weight of the dryer.
• Minimum ambient temperature +1°C.
• Maximum ambient temperature +50°C.
• Ensure a proper cooling air replacement.
• Allow a sufficient clearance on each side of the dryer for proper ventilation and to facilitate maintenance operations. The dryer does not require attachment to the floor surface.
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Operating instructions in accordance with the 2014/68/EU Pressure Equipment Directive
The DRYPOINT® RA 20-960 compressed-air refrigeration dryer contains pressure equipment in the sense of the 2014/68/EU Pressure Equipment Directive. Therefore, the entire plant needs to be registered with the supervisory authority if required in accordance with the local regulations.
For the examination prior to the start-up and for periodic inspections, the national regulations need to be observed, such as the industrial safety regulation in the Federal Republic of Germany. In countries outside the EU, the respective regulations in force there need to be adhered to.
The proper use of pressure devices is the basic requirement for safe operation. As regards pressure devices, the following points need to be observed:
• The DRYPOINT® RA 20-960 compressed-air refrigeration dryer must only be employed within the pressure and temperature range limits indicated by the manufacturer on the name plate.
• No welding must be carried out on the pressure parts.
• The DRYPOINT® RA 20-960 compressed-air refrigeration dryer must neither be installed in insufficiently ventilated rooms nor near heat sources or inflammable substances. • To avoid fractures resulting from material fatigue, the refrigeration dryer should not be exposed to vibrations during operation.
• The maximum operating pressure indicated by the manufacturer on the name plate must not be exceeded. It is the installer's responsibility to install the appropriate safety and control devices. Prior to the start-up of the DRYPOINT® RA 20-960 compressed-air refrigeration dryer, the connected pressure generator (compressor etc.) must be set to the max. permissible operating pressure. The integrated safeguard needs to be checked by an approved inspection agency.
• The documents related to the DRYPOINT® RA 20-960 compressed-air refrigeration dryer (manual, operating instructions, manufacturer's declaration etc.) must be kept safe for future reference.
• No objects whatsoever must be installed at or placed on the DRYPOINT® RA 20-960 compressed-air refrigeration dryer and the connecting lines.
• Installation of the plant in frost-free places only.
• Operation of the plant is only permissible with fully closed and intact housing and cover panels. Operation of the plant with damaged housing/cover panels is prohibited.
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Refrigeration dryers with Energy Saving Impulse Technology and Thermal Mass
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IMPULSE TECHNOLOGY FOR HIGH/MEDIUM AIR FLOWS
The refrigerant compressor is permanently ON to achieve a perfect control of the dew point. The microprocessor controls through “impulses” the opening and closing of a solenoid valve installed on the suction pipe of the refrigeration compressor, in partial load conditions then only a small portion of the nominal refrigerant flows through a by-pass calibrated orifice of the solenoid valve to the compressor. In partial load conditions the compressor compresses less refrigerant than at peak load and therefore it consumes less energy (refrigerant flow control technology).
THERMAL STORAGE OPERATION FOR LOW AIR FLOWS
The refrigerant compressor cycles ON/OFF for maximum savings and reliability. Since the refrigeration capacity is greater than the load, the excess capacity cools the all-in-one exchanger that acts like a thermal storage.
• For high/medium flows, the dryer applies the Impulse Technology to regulate its drying capacity.
• For low air flows, the dryer utilizes the “thermal storage” operation.
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Integrated extras
›› Equipped with BEKOMAT® as standard
›› Central control panel to inspect the function of the dryer and monitor the integrated BEKOMAT®
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Proper use
This dryer was designed, manufactured and tested to separate the moisture which normally exists in compressed air. Any other use is considered improper.
The manufacturer shall not be liable for problems occurring as a consequence of improper use. The user alone is responsible for any damage resulting from that.
Furthermore, the correct use includes the compliance with the installation instructions, in particular in respect of:
• The voltage and frequency of the main voltage supply.
• The pressure, temperature and flow rate of the inlet air.
• The pressure, temperature and cooling-water throughput (water-cooled).
• The ambient temperature.
When delivered, the dryer is tested and fully assembled. The customer only needs to connect the device to the system in accordance with the instructions in the following chapters.
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Environmentally friendly and easy to service
›› Use of environmentally and ozone-friendly refrigerant with a particularly favourable GWP value (Global Warming Potential)
›› Low-cost and fast maintenance
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Aluminium heat exchanger
The heat exchanger module consists of an air/air heat exchanger, an air/refrigerant heat exchanger, and of a high-performance separator. The compressed air flows top-down through the heat exchanger. The large cross-sections of the flow passages cause low flow rates and low compressed-air losses. In the air/air heat exchanger, the heat exchange is effected in a reverse current. This guarantees maximum heat transfer. The heat transfer in the air/refrigerant heat exchanger also takes place in a reverse current. This allows full evaporation of the refrigerant. The high-performance separator ensures almost complete separation of the condensate. Maintenance of the high-performance separator is not required.
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Air-to-cooled mass heat exchangers
The precooled air enters the heat exchanger from air to cool where it is cooled to the required dew point by exchanging heat in countercurrent with the cold mass thermal fluid, allowing for maximum heat exchange.
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Function of Refrigeration air dryers
A refrigeration air dryer is a device that removes moisture from compressed air by cooling it down and then condensing the moisture into liquid water. The compressed air enters the dryer at high pressure and temperature, and it is then cooled using a refrigeration system. As the air cools, the moisture in the air condenses, and the resulting liquid water is collected and drained from the system. The cooled and dried air is then reheated to an appropriate temperature for use in industrial applications. This process ensures that the compressed air is free from moisture, making it suitable for use in various industrial processes and equipment.
Certified skilled personnel
Installation works must exclusively be carried out by authorised and qualified skilled personnel. Prior to undertaking any measures on the DRYPOINT® RA 20-960 compressed-air refrigeration dryer, the certified skilled personnel shall read up on the device by carefully studying the operating instructions. The operator is responsible for the adherence to these provisions. The respective directives in force apply to the qualification and expertise of the certified skilled personnel.
For safe operation, the device must only be installed and operated in accordance with the indications in the operating instructions. In addition, the national and operational statutory provisions and safety regulations, as well as the accident prevention regulations required for the respective case of application, need to be observed during employment. This applies accordingly when accessories are used.
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Note! Ambient conditions!
In the event that the dryer is not installed under suitable ambient conditions, the ability of the device to condense refrigerant gas is impaired. This can result in a higher load of the refrigerating compressor, and in a loss of efficiency and performance of the dryer.
This in turn leads to overheated condenser fan motors, to malfunction of electric components and to a breakdown of the dryer. Failures of this type will affect warranty considerations.
Do not install the dryer in an environment in which chemicals with a corrosive effect, explosive gases, toxic gases, evaporation heat, high ambient temperatures or extreme dust and dirt can be found.
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High-performance heat exchanger
EXTENDED HEAT EXCHANGE
Air-air heat exchanger
Air-to-cooled mass heat exchangers
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Operating principle of DRYPOINT® RA
In the DRYPOINT® RA refrigeration dryers, the air is dried in a counter-flow process with optimised heat exchange along the entire process path. The air flows in a constant downwards direction with no diversions.
The generously dimensioned counter-flow heat exchanger unit which consists of an air-air and an air-refrigerant heat exchanger, among others, cools the compressed air to a temperature of around 3°C . Therefore the size and design of the heat exchangers promote effective cooling while minimising flow resistance.
Warm compressed air saturated with moisture is pre-cooled in the air-air heat exchanger when it enters the refrigeration dryer (1). Consequently, the refrigerating capacity of the refrigerant needed in the downstream air-refrigerant heat exchanger (2) is reduced. This makes the system more energy-efficient. Gravity supports a very high droplet separation of nearly 99 %. The flow velocity is greatly reduced in the very large condensate collection chamber with subsequent broad return. This reliably avoids any entrainment of droplets which have already been separated (3).
The condensate which is produced is drained from the DRYPOINT® RA through the level-controlled condensate drain BEKOMAT®. This prevents any pressurised air losses and can be treated reliably with processing systems such as the oil-water separation system ÖWAMAT® or the emulsion splitting plant BEKOSPLIT® (4). Before leaving the DRYPOINT® RA, the dried, cold compressed air is re-heated in the air-air heat exchanger. This significantly lowers the relative humidity and recovers BEKOMAT® up to 60% of the refrigerating capacity used (1).
DRYBERG®️ RF90/AC Refrigeration dryer
Net €39,490.00
€46,993.10*
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IMPULSE TECHNOLOGY FOR HIGH/MEDIUM AIR FLOWS
The refrigerant compressor is permanently ON to achieve a perfect control of the dew point. The microprocessor controls through “impulses” the opening and closing of a solenoid valve installed on the suction pipe of the refrigeration compressor, in partial load conditions then only a small portion of the nominal refrigerant flows through a by-pass calibrated orifice of the solenoid valve to the compressor. In partial load conditions the compressor compresses less refrigerant than at peak load and therefore it consumes less energy (refrigerant flow control technology).