This document is a technical parameter manual for butterfly valves, including brand, model, product features, technical parameters and other information.
The document provides technical specifications for the Econex BFV series butterfly valves, which are DVGW approved and suitable for residential and industrial combustion systems. The valves are designed for manual or automatic control of gases (families 1, 2, and 3) and air, featuring a sturdy compact construction with an aluminum body and stainless steel stem.
| Max. pressure | 300mbar |
|---|---|
| Body material | aluminium |
| Butterfly disc material (Gas) | aluminium |
| Control ratio | 10:1 |
| Stem sealing | O-ring in Viton |
Yes, they can be installed in any position, but a horizontal axis is recommended.
No, they do not require any particular current maintenance because they do not need lubrication.