Steam Conditioning Valves: Efficient Steam Management
Full control in steam conditioning
ARCA steam-conditioning valves are customized in line with your specific operating conditions. A wide range of designs and materials – from cast globe-style housings to forged angle-style valves – are available to meet all pressure and temperature requirements.
ARCA control valves optimize efficiency and enable cost-effective operation in small plants and large-scale power-generation facilities.
ARCA steam-conditioning valves integrate sound-reduction measures such as perforated plugs and seat rings with graduated control to minimize the impact of sound emissions on humans and the environment. We can even dimension a silencer system that en compasses the condenser of your plant.

Our innovations
- Modular system with standardized
- components
- Flow-optimized housings
- Optimized trim comprising plug and seat
- for all application areas
- Standardized interface to valve actuator
- Value trims can be 5 completely removed

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How You Benefit
- All nominal diameters
- Fewer components
- Only one special tool required
- Low noise emission
- Optimized KV values for all nominal
- diameters
- Adaptable to any requirements
- High control accuracy
- Wide control range
- Low noise emission
- All types of actuator can be used –
- pneumatic, electric, and hydraulic
- Can be easily reconfigured later on
- Maintenance work is fast and simple
- All internal parts can be removed
- No special machines required
- All interior components
General specifications
Series | 51… & 52… | 55… & 56… | 57… & 58… | 59… |
DN (Housing) | 50–600 / 2″–24″ | 80–200 / 3″–8″ | 25–250 / 1″–10″ | 25–100 / 1″–4″ |
PN/ANSI | 16–250 / 150–1500 | 16–250 / 150–1500 | 16–400 / 150–2500 | 16–400 / 150–2500 |
Housing types | Straight way | Angular | Angular | Angular |
Body style | Cast | Cast | Forged | Forged |
Materials | EN | for temperatures | ASTM | for temperatures |
Cast Housing | 1.0619 GP240GH | up to 450 °C | A 216 WCB | up to 450 °C |
1.7357 G17CrMo5-5 | up to 530 °C | A 217 WC6 | up to 530 °C | |
1.4581 GX5CrNiMoNb19-11-2 | up to 550 °C | – | – | |
1.7379 G17CrMo9-10 | up to 580 °C | – | – | |
1.4931 GX23CrMoV12-1 | up to 600 °C | – | – | |
Forged Housing | 1.0460 P250GH | up to 450 °C | A 105 | up to 450 °C |
1.0425 P256GH | up to 450 °C | – | – | |
1.5415 16Mo3 | up to 530 °C | – | – | |
1.7335 13CrMo4-5 | up to 570 °C | A 182 F12 Cl.2 | up to 570 °C | |
1.7383 11CrMo9-10 | up to 600 °C | A 182 F22 Cl.3 | up to 600 °C | |
1.4903 X10CrMoVNb91 | up to 620 °C | A 182F91 – P91 | up to 620 °C |
Valve trims | 1.4021 X20Cr13 |
1.4122 X39CrMo17-1 | |
1.4571 X6CrNiMoTi17122 | |
1.4922 X20CrMoV1 21 | |
Bonnet | Standard, with cooling fins, self-sealing bonnet, with cooling-water injection |
Plug characteristic | Standard: linear |
Optional: linear modified | |
Rangeability | 25 : 1 |
Seat leakage | Metal sealing: class IV (0.01% of kvs) |
Pressure balanced < 0,05% of KV-value |