Fig. IV-7301 · System Devices & Accessories
Supervisory (Tamper) Switch — OS&Y / PIV
Valve-position monitoring to NFPA 72
ULFMCE
Supervisory switch signaling any unauthorized movement of fire-protection control valves to the fire alarm panel — IP67 weatherproof for outdoor posts.
Products are supplied to the stated API / ISO / ASME / AWWA standards from qualified manufacturers for projects in Saudi Arabia, including Dammam, Jubail, Yanbu, Riyadh, Jeddah and the Eastern Province. Certifications, monograms and listings are those of the manufacturing plant and are provided as specified in the purchase order.
Technical specifications
| Figure number | IV-7301 |
|---|---|
| Size range | Fits OS&Y 2″–24″ / PIV posts |
| Pressure rating | — |
| End connections | Valve-mounted; 1/2″ conduit entry |
| Typical materials | As specified on the project datasheet |
| Design standards | NFPA 13 · NFPA 72 |
| Certifications (per manufacturer) | UL · FM · CE |
Key features
- One or two SPDT switch sets
- Tamper-resistant cover screws
- Adjustable actuation rod
- Cover-tamper option
