KH process cooling systems explosion-protected

Cooling systems from -100 up to 400 °C

Explosion Protection Directive 2014/34/EU (ATEX)
Systems for cooling and heating for siting in Ex Zones 1 or 2 with mounted explosion-proof control cabinet or control cabinet for separate siting.

Your advantages at a glance

Your advantages at a glance

The KH advantages Your benefits
KH process cooling systems explosion-protected
  • Digital temperature controller
  • Control of the outflow temperature or the consumer/product temperature
  • Temperature program/ramp mode
  • External setpoint adjustment via Profibus, Modbus or other interfaces
  • Preselection of heating and cooling times
  • Control accuracy ±0.1 °C
KH process cooling systems explosion-protected
  • Cooling module for best possible configuration of compressor and performance quantity
  • Single-stage, two-stage and cascade modules available
  • Highly dynamic, energy-efficient cooling system
  • Suitable for desired operating temperature range
KH process cooling systems explosion-protected
  • Stainless steel, water or air-cooled condenser in flange version
  • Hermetic version without seals
  • Automatic shut-off valve on cooling water inlet
  • Cooling water control valve in cooling water inlet
  • Return temperature limit on cooling water
  • Easy cleaning of the heat exchanger
  • Oils and water are not mixed
  • Contamination of heat exchanger reduced
  • Efficient cooling of the coolant
  • Corrosion and calcification avoided
KH process cooling systems explosion-protected
  • Three-way control valve with bellows and actuator in flange version
  • Separation of heating and cooling circuits for extreme operating temperature ranges
  • Stabilization of minimal cooling powers
  • Gentle cooling – gentle heating
  • No thermal stress on switching from cooling to heating
  • Long service life of the heating and cooling system
KH process cooling systems explosion-protected
  • Continuously controlled stainless steel electric heater as a flange version
  • Steam for heating
  • Heating power is adapted to actual energy requirement
  • For extending temperature range upwards
  • No start-up peaks
  • Low runing costs
KH process cooling systems explosion-protected
  • Complete system test in LAUDA Test Bed before shipment; system with CE label
  • Functional testing of all components and checking of all set values
  • Pressure/leakage test with the heat transfer fluid
  • Test of control cabinet and control accuracy
  • Production of a test protocol; documentation of the tests carried out
  • FAT (Factory Acceptance Test) in presence of customer
  • Hot and cold runs with the heat carrier at maximum and minimum operating temperatures
  • Systems quickly ready for operation, short commissioning times
  • Avoidance or prevention of leakage
  • Verification of control accuracy and high-precision processes
  • Check of all performance verifications
  • Systems designed to customer requirements, initial instruction and trial run already before shipment

KH process cooling systems explosion-protected

Technical Data
Product Name KH 150 W/L Ex KH 250 W/L Ex KH 350 W/L Ex
Working temperature min. °C -40 -50 -70
Working temperature max. °C 250 250 250
Heater power max. kW 9 18 50
Cooling output at 0 °C kW 5 15 35
Cooling output at -80 °C kW     0.50
Feed pump pressure capacity max. m³/h 2 6 20