PN25 Nodular Iron ARI STEVI-Vario Pneumatic Globe Control Valve C/W Digital Electro-Pneumatic Positioner
PN25 Nodular Iron ARI STEVI-Vario Pneumatic Globe Control Valve C/W Digital Electro-Pneumatic Positioner
The ARI-STEVI Vario offers numerous benefits over other control valves including long life stem seals proven millions of times over, flexible changeable trims offering multiple Kvs values per body size, precise and durable operation (even at high differential pressures) thanks to the vibration reducing shaft guiding, easy handling, the small footprint, rotatable upper part and reduced weight when compared with other control valves.
Suitable for non-critical complex control tasks uses in applications such as industrial complexes, plant construction and process technology installations for mediums such as cooling water, cooling brine, warm water, hot water and steam.
Offered as standard in the .448 trim with Nodular Iron Body (ENJS1049), Stainless Steel (1.4021+QT) Trim and the Spring-Loaded PTFE V-Ring unit complete with the Spring Return (Fail Close) Pneumatic Actuator and the Valves Online Digital Electro-Pneumatic Positioner unit. Options available upon request include different trim materials, parabolic plugs with PTFE seats, miniature Kvs values, increased tightness on seats i.e. Class IV leakage rate.
If you are not sure of the size, you require for your process please do not hesitate to get in contact with our Technical Sales team who will be able to size the correct valve for your process.
Key Features:
- PN25 Flanged Connection
- Nodular Iron (EN-JS1049) Body & Stainless Steel 1.4021+QT Trim
- Spring Loaded PTFE V-Ring Unit
- Spring Close Pneumatic Actuator
- Up to -10 to +220°C Temperature Rated
- DN15 to DN100, Kvs from 1 to 100
- 50:1 Rangeability
- Digital Electro-Pneumatic Valve Positioner (0-10V, 0-5V, 0-20mA or 4-20mA input)
Datasheet:
| Media | Steam / Gas |
|---|---|
| Control Technology | Globe |
| Size | 1/2" (DN15), 3/4" (DN20), 1" (DN25), 1 1/4" (DN32), 1 1/2" (DN40), 2" (DN50), 2 1/2" (DN65), 3" (DN80), 4" (DN100) |
| Body Material | Nodular Iron |
| Manufacturer | ARI-Armaturen |
The following downloads are available for the PN25 Nodular Iron ARI STEVI-Vario Pneumatic Globe Control Valve C/W Digital Electro-Pneumatic Positioner:
