Electric Heater HRY5 220V 8kW Sheathed Heater 380V 8kW
Yangzhou Darui Electric Power Equipment Co., Ltd. main products: Sheathed Heater, Electric heating appliances; Electric heaters; Air electric heating elements; Oil electric heating elements; Nitrate solution electric heating elements; Alkali solution electric heating elements; Water electric heating elements; Mold electric heating elements; Far-infrared heating components; Explosion-proof electric heating elements; Biphenyl heating elements; Series hot air heaters; Suction-type pipeline heaters
Brief introduction:
1. This electric heater consists of a heating core and a protective sheath. The heating core uses tubular electric heating elements as the heat source, and the protective sheath is made of thin stainless steel. It has a large heat dissipation area and fast heat transfer. Electric Heater HRY5 220V 8kW Sheathed Heater 380V 8kW The terminal part is divided into ordinary type (using iron drawn cup-shaped housing) and special type (using bolted flameproof housing seal). The special type meets the requirements of explosion-proof mark dIICT4 and protection level IP65 series standards.
2. The electric heater is connected to the oil tank container body by flange. The protective sheath isolates the heating core from the heated oil. When repairing the electric heater, there is no need to drain the oil in the tank; simply pull out the heating core and replace it with a new one, making maintenance convenient.
3. During design, the contact area between the sheath and the heated oil should be considered to prevent local carbonization of the oil due to excessive heating temperature. This model of heater is only suitable for heating heat transfer oil or oils with good heat transfer effect and media.
Technical parameters:
Rated voltage: Single phase 220V Three phase 380V
Surface heating power: ≤0.7 W/cm² as design standard
Heat transfer temperature: ≤300°C
Working medium: Mineral
Working pressure: ≤0.8 MPa
Heater installation size: φ81mm
Process:
The heating tube is made by inserting electric heating wire into an outer tube (carbon steel tube, titanium tube, stainless steel tube, copper tube), filling the gaps with magnesium oxide powder that has good thermal conductivity and insulation, then shrinking the tube. After heat treatment (some tubes do not require it), it is processed into various shapes required by the user. It has simple structure, high thermal efficiency, good mechanical strength, and good adaptability to harsh environments. Electric Heater HRY5 220V 8kW Sheathed Heater 380V 8kW can be used for heating various liquids, acids, alkalis, and salts, and is also suitable for melting low-melting-point metals.
Scope of use for tubular heaters: Suitable for heating air, oil, water, chemical media, hot pressing molds, melting salts, alkalis, and low-melting-point alloys. It has the characteristics of high thermal efficiency, long service life, high mechanical strength, convenient installation, safety and reliability.


