WebOSY Tamper & Alarm Switch – Used to monitor the open position of an OS&Y (outside screw and yoke) type gate valve. Mounts conveniently to most OS&Y valves ranging in size from 2″ (DN50) to 12″ (DN300). Can … WebThese switches mount conveniently to most OS and Y valves ranging in size from 2" - 12" (50 mm - 300mm). They will mount on some valves as small as 1/2 Inch (12.5 mm). The cover is held in place by two tamper resistant screws that require a special tool to remove. The tool is furnished with each device. Features. NEMA 4X (IP 65) and 6P (IP 67)
2000SS - Ames Fire & Waterworks
WebThese switches mount conveniently to most OS and Y valves ranging in size from 2" - 12" (50 mm - 300mm). They will mount on some valves as small as 1/2 Inch (12.5 mm). The … WebJul 1, 2024 · NFPA 13’s requirements address each type of switch in turn Flow switches. Wet-pipe fire sprinkler systems require an alarm check valve—a device that prevents water from flowing in the wrong direction and features a flow switch—or another listed means of sounding an alarm (16.11.3.1). Switches used to detect water flow must cause an ... pork and peanut curry recipe
What is a Tamper Switch for Fire Protection Systems? - QRFS
WebJun 9, 2011 · Journeyman Electrician. May 25, 2011. #6. I haven't done much fire alarm in recent years but in the old days a water flow switch as an initiation device would be wired N/O with a resistor across the contacts. Water flow would close the switch, shunt the resistor and send the system into an alarm condition. If the wiring became broken or a … WebModel Number: FLOW TAMPER KIT Item Number: 90148 0090148 Potter FLOW TAMPER KIT Cover Tamper Switch F/VSR Add to Cart The item has been added. Linear. LN-219199 Linear Hex Key and 5/32 and Tamper Proof. MSRP: $17.00 $12.00. Features: Hex Key, 5/32, Tamper Proof ... WebThe OSY-TS model is available with a durable, robust, UL Listed tamper switch that signals when the valve is closed or when the tamper switch is removed from the valve. Connection of the tamper switch wiring to a fire alarm control panel is required. Series 2000SS is ideal in applications identified by local authorities as non-health hazard. pork and peas hawaiian electric