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Tag Archives: HVAC

Danfoss Group – Antomation and Control Solutions

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The Danfoss Group is a global producer of components and solutions. The products and services are used in areas such as cooling food, air conditioning, heating buildings, controlling electric motors and powering mobile machinery.

Danfoss Group – Antomation and Control Solutions

Products Include solutions for HVAC, Silicon Power Modules, Solar Inverters, DC/AC Drives for Motors. Valves, Meters and Controllers for Process Control including Cooling Control Systems.

Danfoss thermostat products are electromechanical controls which provide a volt free switch contact which will operate at the set temperature, thus providing a simple ON /OFF control.

Industrial Temperature switches – Danfoss

Industrial Temperature switches - Danfoss

RT, Temperature switches

RT controls are used in general industrial and marine sectors. The RT temperature switch series consist of a variety of ordinary room temperature switches and remote sensor temperature switches including neutral zone temperature switches.

  • Temperature ranges: – 60°C to 300°C
  • Replaceable contact system
  • Fail-safe
  • Adjustable differential
  • Enclosure IP66
  • Available with min. and max. reset function (IP54)

Danfoss A/S
Nordborgvej 81 6430 Nordborg Denmark

Fenwal Controls – Gas ignition and temperature controls

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They are known for high quality and reliable products. They have standard and custom engineered gas ignition and temperature controls for many industries including HVAC, hydronics, etc.

Fenwal Controls – Gas ignition and temperature controls

“Series 08-02 bimetal disc thermostats feature current capacities up to 12A at 240VAC measuring .350″ in height. An optional epoxy seal provides additional protection against contamination.”

Fenwal Controls - Gas ignition and temperature controls

A snap-acting disc serves as the actuating element in these rugged, precision thermostats. As the temperature reaches the tamper-proof predetermined set point, the disc snaps to provide rapid, positive contact action minimizing radio frequency interference and ensuring high reliability.

These are Vibration and shock resistant and have Automatic reset. The factory preset temperature values can be ordered in the range of 35° to 350°F or 2° to 176°C.

Bimetal disc thermostats – Series 08-02 – Fenwal Controls

Fenwal Controls, Kidde-Fenwal Inc.
400 Main Street, Ashland MA 01721, USA

Figaro Engineering – Innovative Gas Sensing Technologies

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They design and develop gas sensors and gas detection equipment. These are used in building safety, automotive, air quality and HVAC applications.

Figaro Engineering – Innovative Gas Sensing Technologies

In 1968 Figaro Engineering brought semiconductor gas sensors to the industry by their Research and Development Efforts. These are required to prevent hazard and health issues at Home and the Workplace.

Products include residential gas and carbon monoxide (CO) detectors, breath alcohol analyzers, carbon dioxide (CO2) monitoring systems. They have sensor to detect General air contaminants, Solvent vapors and Methane.

Figaro Engineering - Innovative Gas Sensing Technologies

TGS823 shown on the right side is a Alcohol Solvent vapors detector with a range 50 – 10,000ppm. Power Consumption is just 660mW and has a Ceramic base resistant to severe environments. Industrial usage

The sensing element of Figaro gas sensors is a tin dioxide (SnO2) semiconductor which has low conductivity in clean air. In the presence of a detectable gas, the sensor’s conductivity increases depending on the gas concentration in the air.

The product shown in the left is the NGM2611-E13 Methane Sensor with a 500 – 10,000ppm range and 280mW consumption. It is a Precalibrated module with TGS2611 and temperature compensation circuit for residential gas detectors. You can see more Featured Sensors from Figaro.

Figaro Engineering Inc.
1-5-11 Senbanishi, Mino, Osaka 562-8505, Japan.

Therm-O-Disc Temperature Sensors

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Therm-O-Disc Incorporated was founded in Mansfield, Ohio in 1947. Therm-O-Disc is a leading supplier of temperature sensors, temperature controls and electrical switches to the global appliance, HVAC, automotive and commercial industries.

Therm-O-Disc Temperature Sensors

Products – Bimetal Controls & Limits, Flammable Vapor Sensors, Flow Sensors, Microtemp Thermal Fuses, Pressure Sensors, Relative Humidity Sensors, Temperature Sensors and Wireless Sensors.

61F Bimetal Fuse Limit - Thermodisc - Emerson

61F Bimetal Fuse Limit

The 61F 3/4” bimetal disc temperature limit controls offers reliable one shot operation at temperatures up to 350°F (177°C). Utilizing the same bitmetal temperature sensing principle as the 60T automatic reset control.

Therm-O-Disc Inc.
Subsidiary of Emerson Electric Co.
1320 South Main Street Mansfield, OH 44907, USA.