KRAL OMG 13 - Fluid Heating System; Trace Heating System

20 OIO 14en Edition 07/2017 Operating Instructions
Fluid heating system
Heating system
Fluid heating system
Fluid heating systems are available for the sizes OMG 20 – 140.
The fluid heating system consists of a heating jacket with pipe thread connections.
Operating data:
□ Pressure max.: 16 bars
□ Liquid temperature max.: 200 °C
Trace heating system
Contact the manufacturer before installing a trace heating system.
► Ensure that pick up 7, temperature sensor 2, junction box 6 and corresponding cables are not heat
insulated. The area X has to be free of heat insulation, see Fig. 2, page 20.
CAUTION
Damage to the device if water or steam id used as a heating fluid.
► Use a suitable heating fluid such as heat transfer oil.
1 Heat insulation
2 Temperature sensor
with connecting cable
3 Trace heating
4 Flowmeter
5 Piping
6 Junction box
7 Pick up with
connecting cable
X Area stringently without
heat insulation
Fig. 2 Flowmeter with trace heating system
X
2
1
3
4
1
5
6
5
7
CAUTION
Defective pick up, temperature sensor or cabling due to exceeding of the maximum temperature.
► Do not heat the pick up, temperature sensor, junction box and corresponding cables above the
temperature specified in the associated operating instructions.