Danfoss

Danfoss is a global leader in energy efficiency solutions, committed to helping the planet reduce energy waste and CO2 emissions through innovative technologies. Danfoss' products and services are widely used in food refrigeration, air conditioning, renewable energy, building heating, district energy equipment in cities and communities, motor control and mobile machinery and equipment to meet the needs of building a green ecological society in infrastructure, food supply , energy efficiency, climate-friendly and other solutions. Our visionary engineering roots began in 1933. Today, Danfoss is a global company with more than 25,000 employees serving customers in more than 100 countries. At present, the company is still a private enterprise controlled by the entrepreneurial family. In 2016, total sales of the Danfoss Group increased to DKK 39.2 billion (EUR 5.3 billion), based on a 6% increase in national currency. EBIT rose to DKK 4.3 billion (€572 million), equivalent to an EBIT margin of 10.9%. Net profit increased 13% to a record level of DKK 2.9 billion (€394 million).

Danfoss is world-famous for promoting the application of advanced manufacturing technologies and paying attention to energy conservation and environmental protection. It is a world-leading product manufacturer and service provider in the fields of refrigeration and air conditioning control, heating and water control, and transmission control.

Danfoss has established international subsidiaries and agent networks in more than 100 countries on 4 continents. It has 70 factories with strict quality management control around the world, producing 250,000 high-quality products every day, and has more than 23,600 well-educated employees. employees provide product marketing and services to the world. Commitment to users of energy conservation, comfort, safety and environmental protection is the solid foundation for Danfoss' leading position in the industry.

Chinese company

In May 1994, the establishment of Danfoss Hong Kong Co., Ltd. kicked off Danfoss' entry into China. In October of the same year, the Beijing office was established. In 1995, Danfoss (Tianjin) Co., Ltd. was officially registered in Tianjin Wuqing Development Zone and started production the following year.

On June 8, 2006, Danfoss held a celebration at its Wuqing factory in Tianjin to commemorate its 10th anniversary of officially entering China. From a sales office with less than 10 people to a large company with 2,500 employees, 10 sales offices, 5 wholly-owned factories and 1 joint venture factory, Danfoss has experienced rapid growth with the Chinese economy in more than 10 years, and has It will unswervingly fulfill its commitment to turning China into its "second home market".

Danfoss China has sales offices in 12 cities including Beijing, Shanghai, Tianjin, Guangzhou, Shenyang, Qingdao, Chengdu and Xi'an, and production plants in 5 cities including Tianjin, Hangzhou and Anshan. Danfoss China currently has more than 2,600 employees, and this number will grow rapidly in the near future as Danfoss' business develops in the Chinese market.

Application areas

electricity

Danfoss butterfly valves, gate valves, ball valves, etc. can be used in various systems such as boiler feed water, condensate polishing, reclaimed water reuse, industrial wastewater treatment and desulfurization in power plants. Among them, Hastelloy and duplex stainless steel butterfly valves are specially designed for desulfurization systems. , suitable for limestone slurry with chloride ion content of 20,000PPM and above.

Petrochemical

Danfoss' metal-sealed high-performance valves specially designed for high-temperature and high-pressure environments, as well as Teflon, reinforced PTFE butterfly valves, and ball valves designed for chemical media, help realize the safe flow of corrosive and active substances. In addition, Danfoss also designs products based on customer requirements. For special requirements, we provide customized solutions for automatic control systems.

Shipbuilding, desalination

70% of the earth's surface is water, of which 97.2% is seawater. Marine industry and seawater desalination are increasingly important to the sustainable development of the world. Danfoss valves have received shipbuilding certifications issued by many world-renowned institutions, such as DNV, Lloyd's Register, etc., and are suitable for many aspects of ships' sanitary facilities, HVAC, load tank and other systems, as well as seawater desalination equipment and projects.

food, medicine

Sensitive hygiene requirements in the food and pharmaceutical industry limit the material and processing technology of valves. Danfoss' PTFE-lined butterfly valves (FDA certified), all-stainless steel check valves and ball valves provide safe isolation for various sensitive media. , control and processing requirements.

Metallurgy, papermaking, automobiles, electronics, etc.

Danfoss butterfly valves, ball valves, check valves, etc. are also suitable for metallurgy, papermaking, automobiles, electronics and other industries due to their excellent high temperature, high pressure and corrosion resistance. The high-precision automatic control device made in Europe has automatic monitoring and diagnostic functions, which helps reduce maintenance costs and maximize enterprise production efficiency.

Business areas

Refrigeration and air conditioning

Danfoss Refrigeration & Air Conditioning is a global manufacturer and leader in industrial, commercial and supermarket refrigeration as well as air conditioning and temperature control solutions.

We focus on our core business of manufacturing and developing high-quality products and systems that improve performance and reduce life cycle costs – which is where savings come from.

We work with you to jointly promote your business development by providing parts and automation solutions, accelerating product development, ensuring product quality, improving efficiency, and reducing energy consumption.

Orifice assembly for TEA, TEAT, TEVA and TEAQ valves ranges 20-1 to 85-85.

The Danfoss compressor product range ranges from the smallest hermetic compressors using DC power, widely used in mobile applications, to scroll compressors used in large commercial air conditioning applications or industrial applications. Special types of compressors, such as high-efficiency compressors, inverter compressors and compressors that use solar energy as their energy source. In addition to all conventional HFC, HCFC and CFC refrigerants, the refrigerants used in compressors also include those used in small compressors...

The temperature adjustment range (temperature difference) is from 5 degrees to 20 degrees. The temperature difference (the difference between the off temperature and the opening temperature) is between 5 degrees and 20-27 degrees. Heating: Thermostat fixed setting, 4 degrees heating. Other temperature settings and capillary lengths of 6.3 mm or 4.8 mm are available on request. Various additional features and accessories enable a wide range of applications. Certified by authoritative organizations.

Danfoss' commercial refrigeration and industrial refrigeration piping components include various products, such as heat exchangers, oil separators and various valves, such as stop valves and one-way valves. In addition, you can find common dryers and filters for industrial refrigeration applications in the catalog. The catalog includes piping components for fluorine and ammonia (R717) systems.

In the fields of commercial and industrial refrigeration and air conditioning, pressure regulators and pressure temperature regulators have many different functions and roles, such as: regulation of the cooling capacity in the system, regulation of crankcase pressure, regulation of reservoir pressure, evaporation pressure adjustment and condensation pressure adjustment. The scope also includes liquid refrigerant distribution, pilot valves, electric valves, oil regulating valves, and relief valves.

Pressure controlled water valves are used to regulate and control water flow in refrigeration units with water-cooled condensers. The water valve regulates the condensing pressure and maintains it constant throughout the operation of the refrigeration unit. When the refrigeration unit stops working, the cooling water supply is automatically turned off.

The product range of filter driers is divided into fully enclosed filter driers and filter driers with replaceable cores. The fully enclosed filter dryers include different functions: standard filter dryers, bidirectional flow filter dryers, filter dryers with liquid reservoir and burnout filter dryers. Filter dryers with replaceable cores include : Standard type filter element suitable for CFC/HCFC refrigerant, standard type filter element suitable for HFC refrigerant...

Danfoss has solenoid valves for all applications. Standard solenoid valves can be used in systems with fluorinated refrigerants and ammonia (R717) as refrigerants. In addition, there are solenoid valves suitable for water or brine as the medium.

Danfoss thermal expansion valve product range includes various forms of products, such as thermal expansion valves with independent valve bodies and interchangeable orifice groups, integral thermal expansion valves (fixed valve core type), in addition to liquid injection thermal valves .

Danfoss offers the world's largest range of temperature and pressure controllers for refrigeration applications. The product range covers various electromechanical and electronic temperature controllers suitable for CFC-free refrigerants used in household refrigerators, freezers and small commercial applications. The product design can not only be customized according to customer requirements, but also can meet all refrigeration and freezing applications. Pressure controllers and temperature controllers for commercial and industrial refrigeration...

Temperature sensors, pressure transmitters, liquid level control transmitters, and gas detection sensors for electronically controlled refrigeration devices.

Electronically operated valves for refrigeration systems are connected to electronic controllers, of which Danfoss' ADAP-KOOL® product range is typical. The product range includes electronic expansion valves for fluoride refrigeration systems and ammonia (R 717) refrigeration systems. valve, evaporation pressure valve, and PM main valve using electronic and remote control of the evaporation pressure pilot valve.

Stop valves and regulator valves are manually operated valves used in industrial refrigeration applications when part of the pipeline needs to be shut off during service and maintenance. Valves are available in sizes from DN 6 mm (¼ in) to 300 mm (12 in). The valves are carefully designed to provide optimal flow conditions and are easy to disassemble and repair. The unique design of the valve core gives the valve the most reliable sealing performance. Can be used with all commonly used refrigerants including ammonia (R...

The valves are specially designed to protect components capable of withstanding high pressures and meet the stringent requirements and safety requirements of industrial refrigeration installations, as specified by international classifications.

The product range includes mechanical and electronic products particularly suitable for level control in industrial refrigeration applications, such as flooded evaporators, intermediate reservoirs and level separators. Information on electronic components used for liquid level control can be found in Electronic Control: Sensors and Transmitters.

ICV family ICS, servo valve ICS valves consist of three main parts: the valve body, the functional module and a valve cover. The pilot valve connection is determined by the function of the ICS valve. The ICS can be equipped with up to three pilot valves. ICM, Electric Valve ICM electric valve consists of three main parts: valve body, functional module/bonnet and an ICAD actuator. ICF Industrial Control Solution ICF control solution can replace traditional mechanical and electronic...

automated industry

The main business of Danfoss Industrial Controls is the development, production and sales of pressure/temperature controllers, industrial valves, contactors and motor starters.

Over sixty years, we have accumulated rich industry experience in technology and applications. We constantly introduce new technologies and develop new products. These innovations are not only reflected in pressure transmitter, temperature sensor, and proportional solenoid valve technology, but also in electronic contactor technology. The latest technological achievements include innovative solenoid valve technology solutions and advanced temperature/pressure measurement technology.

fluid control

Manufacturers of almost everything from petrol pumps to dry cleaning machines use Danfoss valves. Valves are generally smaller, but they are often a critical component of a design, and valve selection is not always easy. But when you work with Danfoss, you can get exactly the valve you need as quickly and as cheaply as possible. For example, with our comprehensive product range, we can often offer products that other manufacturers classify as "special" types directly, saving you time and money. When required, we can modify our products to your specifications to provide you with a valve specifically tailored to your application requirements. If such specifications do not yet exist, we help you define them so that your products are of high quality from the start.

Danfoss solenoid valve bodies and electric coils are usually supplied separately and then assembled together. The entire assembly process is quick, easy and requires no tools, thus providing maximum product flexibility and usability. If coils do need to be replaced, this can be done without shutting down or draining any systems. On request, solenoid valves can also be supplied assembled.

To provide maximum flexibility, Danfoss solenoid valves and coils are usually ordered separately, allowing you to select the best valve and coil combination for your needs. The Danfoss coil range includes easy-to-install clip-on coils and traditional coils with threaded fasteners. At the same time, we also provide a series of special coils with certifications such as EEx/ATEX and UL, such as for use in steam environments or hazardous...

Externally operated valves are used for more specialized applications, such as media with high dirt content, high viscosity media, high ambient temperatures, high flow rates, humid environments and areas with explosion hazards

Thermostatic valves are a simple and reliable solution that require neither electricity nor controlled air. It can be used in a variety of applications, such as automatically controlling water temperature in cooling systems. These valves can be equipped with remote sensors or built-in sensors.

Pressure monitoring and control

Danfoss has been producing pressure control components for industrial applications for more than 50 years. Today it offers the most comprehensive product range in the industry. In addition to pressure switches and pressure transmitters, we also offer a comprehensive range of temperature sensors and transmitters. All products are produced in modern, ISO-certified factories in full compliance with relevant quality standards.

These products are highly precise, rugged and have a long service life, allowing them to perform flawlessly day after day, even in the toughest conditions.

Danfoss pressure transmitters can help you maintain control of your demanding industrial processes. These products are highly accurate, rugged and long-lasting, allowing them to operate reliably day after day, even in the harshest environments.

The pressure switch range includes switches for general industrial use and specialized switches for stringent industrial requirements.

Differential pressure switches include switches for general industrial use and specialized switches for demanding applications.

Temperature monitoring and control

Danfoss has been producing temperature control components for industrial applications for more than 50 years. Today it offers the most comprehensive product range in the industry. In addition to temperature switches and temperature transmitters, we also offer a comprehensive range of pressure sensors and transmitters. All products are produced in modern, ISO-certified factories in full compliance with relevant quality standards.

Highly accurate, durable and long-lasting, these products operate flawlessly day after day, even in the toughest conditions.

Danfoss' temperature sensor range is based on decades of experience in the global marine industry and refrigeration industry - including some of the harshest applications. Even in these demanding environments, you can rely on our products, whose reliable design gives them a long service life.

The temperature switch range includes switches for general industrial use and specialized switches for stringent industrial requirements.

Electric floor heating

Danfoss Danfoss heating cable electric floor heating system uses electricity as energy and heating cables as carriers to transfer heat. After being powered on, its working temperature is 40°C-60°C, converting 100% of the electrical energy into thermal energy. By applying low-temperature heat to the ground In the form of radiation, warmth is sent into the room. This system is known for its long life, no pollution, easy construction, room temperature control, and convenient management.