Applications and Features of HRY Series Sheathed Tubular Electric Heaters

 

 

 


I. Applications of HRY Series Sheathed Tubular Electric Heaters



HRY sheathed electric heaters are used for heating hydraulic oil and lubricating oil in hydraulic and lubrication systems, and can also be used for heating non-corrosive gases or liquids.

II. Features of HRY Series Sheathed Tubular Electric Heaters

The electric heater consists of a heating core and a sheath. The heating core uses high-temperature resistant alloy electric heating wire as the heat source, with high-temperature resistant ceramic as the insulating medium, and the sheath is made of cold-drawn seamless steel pipe or stainless steel.

The electric heater is connected to the oil tank body by flange. The sheath isolates the heating core from the heated oil. When replacing the electric heater, it is not necessary to drain the oil from the tank; only the heating core needs to be extracted and replaced with a new one, making maintenance convenient.

The electric heater has a large contact area with the heated oil, low surface power, no carbon deposition, and the oil will not carbonize due to local high temperature. It has a long service life, is safe and reliable.

III. Main Technical Parameters of HRY Series Sheathed Tubular Electric Heaters

Rated Voltage: Single-phase 220V, Three-phase 380V

Surface Heat Power: ≤3W/CM2

Operating Temperature: ≤300℃

Working Medium: Mineral oil

Working Pressure: ≤0.8Mpa

IV. Technical Parameters, Specifications, and Dimensions of HRY Series Sheathed Tubular Electric Heaters (Figure 1)









































































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Yangzhou DARUI Electric Co., Ltd.
Main Products: Dielectric Loss Tester, Transformer Ratio Tester, Loop Resistance Tester, HV Wireless Phase Detector, Insulation Resistance Tester, Partial Discharge Tester, Cable Fault Tester, DC Resistance Tester, etc.
☎ Tel: 18952707000 (Manager Guan)📞 Landline: 0514-88770377✉ Email: 195214804@qq.com
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Model



HRY1

HRY2

HRY3

Voltage

V

Surface Power

w/cm2

Dimensions mm

Voltage

V

Surface Power

w/cm2

Dimensions mm

Voltage

V

Surface Power

w/cm2

Dimensions mm

L

L1

L

L1

L

L1

1KW

 

 

 

 

220

1.4

440

360

380

1.4

440

360

2KW

380

1.0

1200

1120

220

2.0

590

510

380

2.0

590

510

3KW

 

 

 

 

220

2.1

790

710

380

2.1

790

710