1 / 1Control Valves
ARI-STEVI Vario 448/449
A flanged control valve with a screwed seat ring for industrial flow regulation.
Operating limits depend on material, size and configuration. Check the pressure–temperature ratings in the relevant technical catalogue for your application.
ARI-Armaturen · ARI-STEVI Vario 448/449
Overview
A flanged control valve with a screwed seat ring for industrial flow regulation.
Consider nominal size, pressure class, fluid, temperature, connection and actuation together. Refer to the technical catalogue for suitable materials and operating limits. Share the fluid, operating pressure and temperature, connection size and standard, and required control function. Include Kv/Kvs for control valves, and condensate load and back pressure for steam traps.
Technical data
| Brands | ARI-Armaturen |
|---|---|
| Series / model | ARI-STEVI Vario 448/449 |
| Nominal diameter | DN 15; DN 20; DN 25; DN 32; DN 40; DN 50; DN 65; DN 80; DN100 |
| Pressure class | PN 16; PN 25; PN 40 |
| Body / cover material | EN-JL1040; EN-JS1049; 1.0619+N; 1.4408 |
| Connections | flange |
| Design | Straight through |
| Temperature (by variant) | -10°C - 300°C; -10°C - 350°C; -60°C - 450°C; -60°C - 400°C |
Operating limits depend on material, size and configuration. Check the pressure–temperature ratings in the relevant technical catalogue for your application.
Technical documents 6
Frequently asked questions
How do I select a valve or steam trap?
Share the fluid, operating pressure and temperature, connection size and standard, and required control function. Include Kv/Kvs for control valves, and condensate load and back pressure for steam traps.
