Accessories

Fire protection accessories are used for the functional completion of control valves, fire pumps, sprinkler networks, deluge systems, and fire pump discharge piping. They are not primary isolation valves, but auxiliary components that affect flow testing, drainage, pilot circuit protection, and local operating indication.

The category includes Cla-Val TH Series test headers, the WC-1 waste cone, the X43HL H-Strainer with Rapid Purge, and the WGA-1 water gong. Test headers are applied in fire pump and system flow testing, providing an organized discharge and measurement point for hoses or test lines. The WC-1 Fire Pump Discharge Relief Waste Cone is described as a construction intended to meet NFPA 20 requirements and is used on discharge relief outlets so that relieved flow is directed in a controlled manner to drainage or another safe disposal point.

The X43HL H-Strainer is installed in control or supply lines serving automatic valves to retain particles that can interfere with pilots, restriction orifices, diaphragms, and seating surfaces. The rapid purge function allows removal of accumulated debris without full disassembly, which is useful in systems containing corrosion products, sand, or other solids from fire protection pipework. The WGA-1 is a hydraulically actuated outdoor water gong used for audible indication of water flow in fire protection systems equipped with water flow detection valves.

Selection should consider installation position, discharge direction, available drainage capacity, operating pressure, access for testing, freeze protection, and compliance with NFPA, FM, UL, and project-specific specifications. Maintenance should include inspection for throttling restrictions, strainer fouling, drain point condition, visual or audible indication function, and blockage caused by scale, deposits, or suspended solids. Media compatibility is generally limited to clean or treated water service within the pressure and temperature limits defined by the manufacturer and the applicable fire protection standard.