Automatic control valves
The Zurn Wilkins ZW204 Non-Modulating Float Valve maintains accurate fluid levels in tanks or reservoirs.
The Zurn Wilkins ZW204 Non-Modulating Float Valve maintains accurate fluid levels in tanks or reservoirs. It is equipped for threaded connections from 1 1/4" to 3" and for flanged or grooved ends from 1 1/4" to 10". The ZW205FP Fire Protection Pilot-Operated Pressure Relief Valve also relieves high system pressure in fire protection systems while maintaining positive pressure on fire pumps. It is equipped for threaded connections from 2" to 3" and flanged for grooved ends from 2" to 10". Additionally, the P4000A Fire Protection Thermal Expansion Relief Valve relieves excess pressure buildup from thermal expansion in stagnant fire suppression systems and is designed for 1/2" and 3/4" threaded bodies. It has a standard pressure range of 50-200 psi and a high pressure range of 150-300 psi.