Pilot operated solenoid valve
- Certificate: UL Listed
- Standard: UL 429
- Material: Brass body, EPDM diaphragm, SS304 spring
- Feature: Normally closed, pilot operated, 2-way
- Temperature: -10°C to 120°C
- W. pressure: 300 psi
- Surface: Rough brass
Pilot operated solenoid valve is a 2-way solenoid valves used in releasing water or air pressure from the control trim of system deluge control valve automatically. When the coil is energized (on a Normally Open position), the pilot orifice is opened, causing the pressure in the upper chamber to rapidly decrease, creating a high-pressure difference around the closing part of the solenoid valve, and the solenoid valve will open by force of fluid pressure. When the coil is de-energized (on a Normally Closed position), the pilot orifice is closed and line pressure is applied to the top of the diaphragm through the bleed orifice, closing the valve.
Available size