CSN® Ex flange heater type 801 Ex

CSN® Ex flange heaters for outputs up to 76 kW for heating liquid and gaseous media and with integrated temperature monitoring.


Our CSN® Ex flange heater has been developed for impressive outputs of up to 76 kW and is ideal for heating liquid and gaseous media. This heating solution is specially designed for use in potentially explosive environments and offers maximum safety and efficiency. With the integrated temperature monitoring of our electric flange heater, you have full control over the operating temperature to ensure a safe working environment.

Product benefits

  • Integrated temperature monitoring
  • Heating elements as tubular heating elements or cartridges
  • Approval for Zone 1
  • Type of protection Ex de
  • PED
Also available with explosion protection

Technical data


Zone 1



Optional: EAC

Temperature class

T1 ... T6

Ambient temperature range

Standard -20°C to +40°C

Power (kW)

0,5 ... 76

Voltage (V)

up to 1000

Protection class

IP 54


Liquid and gaseous

Process data

Medium, pressure and temperature according to specification

Process connection

Flange: EN 1092-1, PN 16, up to DN 200 as standard

Heating elements

Tubular radiators

Cartridge radiators

High-performance cartridge heaters

Materials Process connection

Steel, 1.4541, 1.4571, 1.4404

Heating element materials

1.4541, 1.4571, 1.4404, 1.4876, 2.4858

Material of connection cover

Steel (painted)

Installation length of heating elements (mm)

300 - 3500 for tubular radiators,

up to 6000 for cartridge radiators

Temperature monitoring

Temperature controller (standard)

Temperature limiter (standard)

Optional: PT100, thermocouple

Deviations on request

The following certifications are available on request:

Your contact persons

Your request

Contact Details