Description

Hale Pressure Master Control Valve

The Hale Pressure Master Control Valve, also known as a pressure relief valve or pressure control valve, is a device used in fire pump systems to regulate and maintain a stable water pressure during firefighting operations. The valve is designed to protect the pump, hoses, and nozzles from damage due to over-pressurization and to ensure consistent water flow at the desired pressure. Here’s a general overview of how it operates:

1. Monitoring pressure: The Hale Pressure Master Control Valve continuously monitors the water pressure in the fire pump system. It is typically connected to the discharge side of the pump, where it can sense the pressure of the water being pumped to the hoses and nozzles.
2. Pressure adjustment: The control valve is designed to maintain a specific pressure, which is set by the operator. If the monitored pressure is higher than the desired pressure, the valve will open to allow excess water to be diverted, relieving the pressure in the system. If the monitored pressure is lower than the desired pressure, the valve will close, allowing more water to flow through the system and increasing the pressure.
3. Pressure relief: In the event of a sudden pressure surge, such as when a nozzle is closed or a hose is kinked, the control valve acts as a pressure relief valve, automatically opening to divert excess water and prevent damage to the pump and other equipment.
4. Automatic and manual control: The Hale Pressure Master Control Valve can be operated automatically, maintaining the desired pressure without any intervention from the operator. However, it can also be manually adjusted if necessary, allowing firefighters to fine-tune the pressure according to the specific needs of the situation.

NOTE: This is not a stock item. Please allow 5-10 days for delivery.