ECOTROL® Control Valve
Ensuring Precision and Efficiency
ARCA ECOTROL® offers a wide range of innovative solutions designed to fulfill all your control task requirements. Whether housing, inner valves, valve seats, stem seals, actuators, or positioners, every detail benefits from the know-how of expert engineers with many years’ experience in a wide range of applications.
Factors such as efficiency, control precision, price/performance ratio, weight, and lifecycle costs are optimized to suit your requirements.
Our commitment to innovation in valve technology ensures that you benefit from high control precision and lower operating costs. See for yourself!
Our innovations
- Patented valve seat with PTFE soft seal and metal secondary seal
- Seat rings made from a wide variety of materials
- PTFE V-ring packing with additional precision sealing element
- Quick exchange system for seat rings and plugs
- Wide variety of valve trims optimized for all applications
- Stainless steel stuffing box area
- Flow-optimized valve housing
- Compact, robust design
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How you benefit
- Absolute seat tightness
- Defined preload
- Long service life
- Reproducible seat tightness due to self-centering
- Low wear and tear minimizes cost of spare parts
- Safety and hermetic sealing
- Low maintenance
- Maintenance without special tools
- Maximum process flexibility with high control quality
- Low noise emissions
- No galvanic corrosion
- High flow coefficients
- Low noise emission
- Minimum mounting space required
- Low weight
ECOTROL® general specifications
| Series | 8C | 6N | 6H |
| DN | 15–100 / 1⁄2”–4” | 150–700 / 6”–28” | 15–400 / 1”–16” |
| PN / ANSI class | 10–40 / Class 150–300 | 10–40 / Class 150–300 | 63–250 / Class 600–2500 |
| Body material | EN | for temperatures | ASTM | for temperatures |
| 1.0619 GP240GH | –10 °C to 400 °C 14 °F to 752 °F | A 216 WCB | –29 °C to 425 °C –20,2 °F to 752 °F | |
| 1.4408 GX5CrNiMo19-11-2 | –196 °C to 400 °C –320,8 °F to 752°F | A 351 CF8M | –196 °C to 400 °C –320,8 °F to 752 °F | |
| 1.6220 G20Mn5 | –50 °C to 345 °C –58 °F to 653 °F | A352 LCB | –50 °C to 345 °C –58 °F to 653 °F | |
| 1.6982 GX3CrNi13-4 | –120 °C to 400 °C –184 °F to 752 °F | – | – | |
| 1.7357 G17CrMo5-5 | –10 °C to 530 °C 14 °F to 986 °F | A 217 WC6 | –29 °C to 530 °C –20,2 °F to 986 °F |
| Bonnet material | ≤ DN 50 / 2” made of 1.4408 (A351 CF8M) |
| ≥ DN 80 / 3” same material as housing but with stuffing box sleeve made of 1.4571 (SS 316Ti) | |
| Plug characteristic | standard: equal-percentage or linear |
| optional: modified linear | |
| Rangeability | 50 : 1 |
| Double guide | optional: integrated bottom guide for sizes DN 40 / 1½” – DN 700 / 28”, Kvs > 25 / Cv 29 |
| Seat leakage | metal sealing: leakage rate Class IV (< 0.01 % Kvs); optional leakage rate Class V |
| soft sealing: leakage rate Class VI | |
| Bellows seal | double walled, made of 1.4571 / SS 316-Ti or Hastelloy® (optional) |
| (for ANSI 150 and ANSI 300, other rated pressures available on request) | |
| Heating jacket | connections DN 15 or DN 25 PN 40 (1/2” or 1” ANSI 150/300) screws joints or flanges |
ECOTROL® standard inner valves
| Material no. | Contoured plug P1 | Contoured plug P1 with integrated bottom guide* | Perforated plug L1 | Seat | Seat seal | Max. permissible medium temperature |
|---|---|---|---|---|---|---|
| 1 | 1.4571 / SS 316-Ti | 1.4571 / SS 316-Ti | – | 1.4571 / SS 316-Ti | metal | in acc. with stem seal |
| 2 | – | – | 1.4571 / SS 316-Ti | 1.4571/ SS 316-Ti nitrided | metal | in acc. with stem seal |
| 3 | 1.4112 / SS 440B hardened | 1.4112 / SS 440B hardened | 1.4112 / SS 440B hardened | 1.4112 / SS 440B hardened | metal | in acc. with stem seal |
| 4 | 1.4571 / SS 316-Ti | – | – | 1.4571 / SS 316-Ti | PTFE/FKM | –20 °C to 180 °C –4 °F to 356 °F |
| 5 | 1.4571 / SS 316-Ti | – | – | 1.4571 / SS 316-Ti | PTFE/EPDM | –29 °C to 140 °C –20,2 °F to 284 °F |
| 6 | 1.4571 / SS 316-Ti | – | – | 1.4571 / SS 316-Ti | PTFE | –196 °C to 180 °C –320,8 °F to 356 °F |