Control Valve

Manufacturer: ARI | KSB | etc.

Control Valve PN 16/25 DN 20-150 available with electric or pneumatic actuator and optionally by a linear or equal-percentage control characteristic for fluids such as high-temperature hot water or saturated steam in heating systems, general indsutrial facilities etc. from all leading German and European manufacturers.

  • Straight-way pattern with horizontal seat
  • kvs values: 2,5 to 340 m³/h
  • Rangeability 50:1
  • Parabolic plug with equal-percentage or linear characteristic
  • Two-stage pressure reduction (parabolic plug combined with multi-hole cage)
  • Reduced kvvalues
  • Spring-loaded PTFE V-packing up to 250 °C
  • Graphite gland packing up to 350 °C
  • Flanges to DIN EN 1092-2 Type 21
  • Leakage class IV (DIN EN 60534-4)
  • The valves satisfy the safety requirements of Annex I of the European Pressure Equipment Directive 97/23/EC (PED) for fluids in Groups 1 and 2.
Nominal pressure PN 16/25
Nominal size DN 20-150
Max. permissible pressure 25 bar
Max. permissible temperature 350 °C

Control valve: 

  • Seat with PTFE gasket up to 250 °C, leakage class VI
  • Very low kv values from 0.1 to 2.1 m³/h
  • Anti-cavitation design
  • Balanced plug from DN 65 (up to 200 °C)
  • High-temperature resistant paint
  • Other flange designs
  • Certification to customer specification


  • Actuator configured to match the order specification
  • Integrated process controller
  • Power back-up unit
  • Heating of the motor space
  • Hot-water heating systems
  • Air-conditioning systems
  • Boiler feed applications
  • Boiler recirculation
  • Chemical industry
  • Process engineering
  • Heat recovery systems
  • Sugar industry
Ask about this product