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.
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Control Valve
Category: Valves and Fittings
Manufacturer: ARI | KSB | etc.
- 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 kvs values
- 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
Actuators:
- 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