Electrical Heat Tracing

1. www.DGB-co.com

2. APPLICATIONSAPPLICATIONS
 Freeze protection
 Process temperature maintenance
For Example:For Example:
Liquids:Liquids:
-To prevent freezing-To prevent freezing
-To enable pumping by reducing the viscosity of the liquid-To enable pumping by reducing the viscosity of the liquid
Gases:Gases:
-To prevent hydration due to a drop in gas pressure across pipe work-To prevent hydration due to a drop in gas pressure across pipe work
fittings such as valvesfittings such as valves
Heat TracingHeat Tracing

3. METHODS OF HEAT TRACINGMETHODS OF HEAT TRACING
Circulating fluids
 Steam
 Hot water, glycol and Heat Transfer Fluids
Electric
 Mineral-Insulated (MI) Cable
 Series Cables ( Constanat Wattage Cables)
 Skin-Effect Current tracing (SECT)
 Self-Regulating (SR) Cable

4. STEAM TRACING SYSTEMSTEAM TRACING SYSTEM
Steam supply
Condensate return
Boiler Water
treatment
PRV
Pipe
Tracer
Make up water

5. ADVANTAGES OF STEAM TRACINGADVANTAGES OF STEAM TRACING
 Bulk heating through Heat exchangers
 Widely used and accepted
 Availability
 Difficult / Expensive to control
 Burn danger to personnel
 High installed cost
 High maintenance cost
 Environmental implications
DISADVANTAGES OF STEAM TRACINGDISADVANTAGES OF STEAM TRACING

6. Electrical Heat TracingElectrical Heat Tracing
Self Regulating Phenomena- Based upon PTC (Positive
Temperature Coefficient)
Constant Wattage Heating Cables
Mineral Insulated Heating Cable
Skin Effect Heat Tracing System based on proximity effect

7. BARTEC offers different system solutions for specific applications
Type of Heating Tracing Cable
Self limiting tapes
PSBL / PSB / HSB /
HTSB
EKL - cables EMK - cables

8. •Low Temperature
•Medium Temperature
•High Temperature
•Polyolefine (CR)
•Fluoropolymer (CT)
Self – Regulating Heating Cable

9. Self-limiting heating tapeSelf-limiting heating tape
The core of the heating tape is the semi conductive heating element
Equivalent circuit diagram from Self-limiting Heating Tapes

10. Low temperature
High heating
output
High temperature
Low heating output
Self limiting heating tapes adapt its output with the ambient temperature
Self-limiting heating tapeSelf-limiting heating tape

11. Self limiting Heating SystemSelf limiting Heating System
PSBL / PSBPSBL / PSB
Product line P S B LP S B L P S BP S B
Max. exposure temperature
switched on (continuously) + 65 ° C + 65 ° C
switched off (1000 hours) + 85 ° C + 85 ° C
Available Heating output (W/m) 10/ 15/ 20/ 25/ 30 10/ 13/ 15/ 20/ 26/ 33
Maximum circuit lengths (m) 154/ 139/ 110/ 83 205/ 169/ 145/ 116/ 88/ 70
Ex temperature classification
Under Prepration T 5, T 6

12. Self limiting Heating SystemSelf limiting Heating System
HSB / HTSBHSB / HTSB
Product line H S BH S B H T S BH T S B
Max. exposure temperature
switched on (continuously) + 120 ° C + 190 ° C
switched off (1000 hours) + 190 ° C + 232 ° C
Available Heating output (W/m) 10/ 15/ 20/ 25/ 30 / 45/
60
16/ 49/ 65/ 98
Maximum circuit lengths (m) 200/ 165/ 135/ 110/ 85/
70
109/ 50/ 36/ 24
Ex temperature classification
T 2 (200°C), T3, T4 Ex

13. Self-limiting heating tape series PSBL
0
10
20
30
40
50
60
65
PSBL 10
PSBL 15
PSBL 20
PSBL 25
PSBL 30
PSBL 30
0
5
10
15
20
25
30
35
Poweroutput[W/m]
Pipe temperature [°C]
Power output BARTEC PSBL (230 V)

14. Self-limiting heating tape series PSB
0
10
20
30
40
50
60
65
PSB 10
PSB 13
PSB 15
PSB 26
PSB 33
PSBL 30
0
5
10
15
20
25
30
35
Poweroutput[W/m]
Pipe temperature [°C]
Power output BARTEC PSB (230 V)

15. Self-limiting heating tape series HSB
0 10 20 30 40 50 60 70 80 90 100 110 120
HSB 10
HSB 15
HSB 25
HSB 30
HSB 45
HSB 60
0
10
20
30
40
50
60
Poweroutput[W/m]
Pipe temperature [°C]
Power output BARTEC HSB (230 V)

16. Self-limiting heating tape series HTSB
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190
HTSB 16
HTSB 49
HTSB 65
HTSB 980
20
40
60
80
100
120
Poweroutput[W/m]
Pipe temperature [°C]
Power output BARTEC HTSB (230 V)

17. EKL heating cable
Heating cable core
Inner insulation
Braided sheath
Outer jacket
Suitable for heating pipes , tanks, vessels, etc.Suitable for heating pipes , tanks, vessels, etc.
Suitable for Ex and industrial grade applications
Constant power output per meter
Maximum Operation Voltage 500 V
Maximum operation temperature: 220 deg. C
EKL System is a constant power heating system for industrial applications
Constant Wattage Cable

18. EKL LIGHT (NON-EX)EKL LIGHT (NON-EX)
EKL MEDIUM (EX)EKL MEDIUM (EX)
EKL PREMIUM (EX) APPLICATION EVEN FOREKL PREMIUM (EX) APPLICATION EVEN FOR
INCREASED MECHANICAL STRESS ININCREASED MECHANICAL STRESS IN
ACCORDANCE WITH EN 50019 / IEC 62086-1ACCORDANCE WITH EN 50019 / IEC 62086-1
EKL heating cable Categories c

19. Benefits
High temperature resistant
Very flexible construction
High chemical resistance
Resistant to steam
purging of the pipe
Approved for use in Ex area
EKL heating cable offers various advantages for specific applications
Very flexible in use
EKL heating cable Benefits

20. *
Limitations
Maximum permissible temperatures
Additional temperature limiter in Ex
area required
Design requires expertise
EKL System offers specific advantages for many applications
EKL heating cable

21. With the pluggable PLEXO connection
Quick and easy installation
Only a few tools needed
EKL System offers complete sets for maximum comfort on site
different versions available
EKL heating cable

22. Mineral- Insulated Heating Cable
Heating conductor
Magnesium oxide insulation
Metallic outer sheath
EMK heating cable
 For heating pipes, hoppers, etc
 For Ex and industrial grade applications
 Constant power output per meter
 Maximum Voltage 500 V
 Maximum operation temperatures
CuNi 400 deg. C
SS 1.4541 600 deg. C
Incoloy 650 deg. C

23. Benefits
Resistant to very high temperatures
High constant output per meter
Very high mechanical strength
High chemical resistance (Incoloy)
Approved for use in Ex area
EMK heating cable is used for very high process temperatures
EMK cablesEMK cables

24. Certified for use in Ex area
Factory preassembled heating
loops
Reduced work on site
Wide range of available types
EMK System is preassembled for maximum comfort on site
EMK System for Ex-applicationsEMK System for Ex-applications

25. Heat tracing System Accessories
Thermostat Junction Box
Termination Kit ( End Seal)
Connection Kit ( Splice , Tee )
Control Panel

26. Heat tracing System Accessories
Cold Applied for heating Cable Pipe Strap
Fiberglass Adhesive Tape  Aluminum Adhesive Tape

27. Heat tracing Installation

28. Heat tracing Installation

30. Heat tracing Installation

31. EKL is most suitable for higher process temperatures and
heating long pipes
Sample of Heat tracing Installation

32. EKL System is also ideal for heating tanks and vessels
Sample of Heat tracing Installation

33. Electrical trace heating of a large
safety valve with
BARTEC EKL-SystemBARTEC EKL-System
in hazardous area
Example for applicationExample for application
BARTEC electric trace heating

34. Example for application
Electrical trace
heating of a tank with
BARTEC EKL-SystemBARTEC EKL-System
in hazardous area
mounted on wires
matts
Sample of Heat tracing Installation

35. EMK is widely used for Hoppers and Vessels in Power Generation
and Incineration Plants
Sample of Heat tracing Installation