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Sleeve Heaters

A sleeve heater is a heating element consisting of a heating element and surrounding insulation material enclosed in a metal sleeve. The heating element is typically made of a nickel-chromium alloy wire, and the sleeve is usually made of stainless steel.

Types of Sleeve Heaters

• Ceramic Sleeve Heaters: Sleeves made of ceramic material provide high temperature tolerance and chemical resistance. These types of heaters are commonly used in industrial ovens, temperature control systems, and similar applications.
• Stainless Steel Sleeve Heaters: Stainless steel sleeves are resistant to corrosion and can be used in hygienic applications. They are widely used in the food industry, medical equipment, and chemical processes.
• Nickel Chromium Sleeve Heaters: These heaters are resistant to high temperatures and are typically used in industrial heating systems and high temperature applications.
• Glass Sleeve Heaters: Glass sleeve heaters, particularly common in laboratory applications, are resistant to chemicals and easy to clean.
• Quartz Sleeve Heaters: Sleeves made using quartz glass are resistant to high temperatures and are used in industrial furnaces, semiconductor production, and other high temperature applications.

Technical Specifications of Sleeve Heaters

• General Specifications:
  • Material: Can be made from various materials such as stainless steel, nickel-chromium, brass, aluminum, or copper.
  • Diameter: Available in diameters ranging from 8 mm to 60 mm.
  • Length: Available in various lengths ranging from 50 mm to 2000 mm.
  • Power: Can be produced in power levels ranging from 50 Watts to 3000 Watts.
  • Voltage: Can be used with various voltages such as 24V, 48V, 110V, 220V, 380V.
  • Temperature Range: Can operate in various temperature ranges from 0°C to 800°C.
• Other Technical Specifications:
  • Terminal Type: Can be single or double terminal.
  • Connection Type: Various connection types such as butterfly nut, cable connection, or plug connection are available.
  • Protection Class: Available in different protection classes like IP44, IP65, indicating resistance to water and dust.
  • Thermostat: Temperature control can be provided by integrating a thermostat.

Applications of Sleeve Heaters

• Industrial Boilers and Tanks: In industrial facilities, boilers and tanks are often used for heating and storing liquids. Sleeve heaters are used to heat liquids in such applications.
• Chemical Processes: Many processes in the chemical industry occur at high temperatures. Sleeve heaters are used for heating chemical reactors and processing chemicals.
• Oil and Gas Industry: In petroleum refineries and gas processing plants, sleeve heaters are used for processing and heating oil and gas.
• Food and Beverage Industry: In the food and beverage industry, sleeve heaters are used for many processes requiring temperature control. These processes include pasteurization, sterilization, and heating.
• Plastics and Rubber Industry: In the production of plastic and rubber products, sleeve heaters are used for melting and shaping raw materials.
• Automotive Industry: In the automotive industry, sleeve heaters can be used for heating engine blocks and oil pans. They are commonly preferred to prevent engine freezing in cold climates.
• Maritime and Ships: In the maritime industry, sleeve heaters are used in ship water heating systems, to prevent seawater freezing, and for other heating needs.