Main Features of Tubular Electric Heaters - Yangzhou Darui

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Tubular electric heater main uses and features:
The tubular electric heater is based on the ordinary tubular electric heater, improving its wiring device and heating structure, using three heating tubes as a group, effectively reducing the surface load of the heater, and can directly replace the SRY2-SRY4 type heater.
1. This electric heater is used for heating hydraulic and lubricating oil in hydraulic and lubrication devices, and can also be used to heat non-corrosive gases or liquids.
2. This electric heater consists of a heating core and a protective tube. The heating core uses a tubular electric heating element as the heat source, and the protective tube is made of thin stainless steel. It has a large heat dissipation area and fast heat transfer. The terminal device part is divided into ordinary type (using iron-made stretched cup-shaped shell) and special type (using bolted explosion-proof device shell seal). The special type meets the requirements of explosion-proof mark dIICT4 and protection level IP65 series standards.
3. The electric heater is connected to the oil tank container body by flange, and the protective tube isolates the heating core from the heated oil. When repairing the electric heater, there is no need to drain the oil in the tank; just pull out the heating core and replace it with a new one, making maintenance convenient.
4. During design, the contact area between the protective tube and the heated oil should be considered to prevent the oil from carbonizing locally due to excessive heating temperature. This type of heater is only suitable for heating heat transfer oil or oils with good heat transfer effect and media inside.
Tubular electric heater main technical parameters:
Rated voltage: Single phase 220V, Three phase 380V
Surface heating power: ≤0.7W/cm2 as design standard
Heat transfer temperature: ≤300℃
Working medium: Mineral
Working pressure: ≤0.8Mpa
Heater installation size: φ81mm

Note: The above information and technical parameters are compiled and released by Yangzhou Darui Electric Co., Ltd.