HD Fire Protect OS & Y Supervisory Switches in Saudi Arabia
HD Fire Protect offers OS & Y Supervisory Switches designed to ensure the reliable monitoring of the open position of OS&Y (outside screw and yoke) type gate valves. These switches come in two models: OSYSU-1 and OSYSU-2, each equipped with either one or two sets of SPDT (Form C) contacts, providing flexibility in installation and usage. The switches are engineered to mount conveniently onto most OS&Y valves ranging in size from 2″ to 12″ (50mm to 300mm), offering compatibility across a wide range of valve dimensions.
Detailed Specifications:
| Feature | Description |
|---|---|
| Function | The OSYSU is used to monitor the open position of an OS&Y (outside screw and yoke) type gate valve |
| Models Available | Two models are available: OSYSU-1 with one set of SPDT (Form C) contacts and OSYSU-2 with two sets of contacts |
| Valve Compatibility | Compatible with OS&Y valves ranging in size from 2″ to 12″ (50mm to 300mm) |
| Installation Requirements | Ensure the groove in the valve stem is at least as wide as the OSYSU roller or trip rod and at least 1/2″ deep. If not, use a 3/8″ round file on the groove |
| Listings and Approvals | UL Listed & FM Approved |
Installation of the HD Fire Protect OS & Y Supervisory Switches is straightforward, requiring careful alignment with the valve stem’s groove. It is essential to ensure that the groove is sufficiently wide and deep to accommodate the OSYSU roller or trip rod effectively. If adjustments are necessary, a 3/8″ round file can be used to modify the groove accordingly, ensuring proper functionality of the supervisory switch. Once installed, these switches provide a dependable means of monitoring valve positions, contributing to enhanced fire protection system integrity.
Certified to meet stringent safety standards, the HD Fire Protect OS & Y Supervisory Switches are UL Listed and FM Approved, attesting to their quality and reliability. This certification underscores their suitability for use in critical fire protection applications, providing assurance to customers regarding their performance and adherence to industry standards. With their robust construction and reliable operation, these supervisory switches offer an essential component in ensuring the effectiveness of fire protection systems in safeguarding lives and property.
