A supervisory switch that monitors the open position of outside screw and yoke (OS&Y) gate valves, for indoor and outdoor use.
System Sensor has not published a specification table for this model. Ask us for the data sheet.
Specifications as published by System Sensor. Please confirm the exact model with us before ordering.
A supervisory switch that monitors the open position of post indicator and butterfly control valves, with a bi-directional actuator for rising or falling flag installations.
Waterflow detectors for steel sprinkler pipe, with one model for each pipe size from 2 to 8 inch. They signal the panel when water flows and use a mechanical retard to reduce false alarms.
A vane-type waterflow detector that fits any tee with a 1 inch NPT branch, for small sprinkler lines in steel, brass, copper, CPVC or polybutylene.
A divided seat ring, rubber faced clapper alarm check valve for wet pipe sprinkler systems, which sounds electric and/or hydraulic alarms when water flows steadily into the system at the rate of one or more sprinklers.
The European Conformity edition of the AV-1-300 alarm valve in DN65, DN100, DN150 and DN200, supplied with European Conformity valve trim and used with or without the RC-1 retard chamber.
A bronze automatic ball drip valve that forms part of HD's UL Listed deluge valve trim. It is used with the ETW-D, NTW, ETD-D and NTD trims on all HD deluge valve models.
A field adjustable device that regulates and restricts air flow to hold the air pressure in the pneumatic lines of a pre-action system or a dry pilot actuated deluge valve.
Sizes: 4”, 6”
UL Listed alarm check valve for the head of a wet sprinkler system, in 4 inch and 6 inch sizes with ANSI B16.5 flanged inlet and outlet.
Try "landing valve", "Apollo call point", "9 kg ABC" or a model code.
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