CSN® Ex flange heater type H_14Ex

CSN® Ex flange heaters for outputs up to 2000 kW, for heating liquid or gaseous media including temperature monitoring.


Our CSN® Ex flange heater delivers outputs of up to 2000 kW and is perfect for heating liquid or gaseous media. With integrated temperature monitoring, our electric flange heater not only offers efficient heat transfer, but also maximum safety in potentially explosive areas.

Product advantages

  • Integrated temperature monitoring
  • Approval for Zone 1 and Zone 21
  • Stainless steel connection cover
  • Type of protection Ex e
  • Approval according to ATEX and IECEx. Further approvals (Peso, EAC) available
  • PED
Also available with explosion protection

Technical data


Zone 1, Zone 21



Optional: Peso, EAC

Temperature class

T1 ... T6

Ambient temperature range

Standard -20°C to +40°C

Power (kW)

up to 2000

Voltage (V)

up to 1375

Protection class

IP 66


Liquid and gaseous

Process data

Medium, pressure and temperature according to specification

Process connection

Flanges up to DN 1000

Heating elements

Tubular heating elements

Materials Process connection

Steel, 1.4541, 1.4571, 1.4404, 1.4876, 2.4858

Heating element materials

1.4541, 1.4571, 1.4404, 1.4876, 2.4858

Material of connection cover

1.4301 (standard)

Installation length of heating elements (mm)

300 - 3500

Temperature monitoring (version via intrinsically safe circuits (Ex i))

PT100 (standard)

Thermocouple (optional)

Temperature controller (optional)

Temperature limiter (optional)

Deviations on request

The following certifications are available on request:

Individual variants available on request.

Your contact persons

Your request

Contact Details