An FM/UL-listed supervisory switch butterfly valve for fire protection systems. Integrates a tamper switch that triggers an alarm if the valve position changes, ensuring system integrity
| Brand | FAF |
|---|---|
| Product Code | 3590 |
| Nominal Diameter | DN 65–200 |
| Nominal Pressure | 300 PSI |
| Design Standard | FM 1112 / UL 1091 |
| End Connection | EN 1092-1 / ISO 7005-2 |
| Body Material | GG40 Ductile Iron |
| Operating Temperature | -20 °C to +110 °C |
| Seal | EPDM |
| Disc | EPDM Coated Ductile Iro |
| Coating | Industrial Epoxy |
| Stem | AISI 420/304 |