What is trim in deluge valve?

What is trim in deluge valve?

The basic trim or type is required on deluge valve regardless of the release system. It contain those components which are required in all types of installation, such as the main drain valve, priming connection, drip check valve, emergency release valve and pressure gauges.

What is the function of deluge valve?

A deluge fire protection system has unpressurized dry piping and open sprinkler heads. The system is directly connected to a water supply and when the system is activated, a deluge valve will release the water to all the open sprinkler heads. The valve is opened when activated by a heat or smoke detection system.

Is deluge valve a control valve?

Deluge valves are designed to deliver a large amount of water over a large area as rapidly as possible to quickly extinguish a fire. However, it’s not always easy to distinguish between true deluge valves and on-off valves, which are also known as flow control valves or auto-resetting valves.

How do you activate a deluge valve?

How is a Deluge System activated? The sprinkler heads on a Deluge system are fused together and operate as one when activated. The valve is opened when activated by heat or smoke detection systems. Once activated, the water is released into the piping and out of the sprinkler heads.

How many types of deluge valves are there?

Deluge valve is available with several trims including wet pilot, dry pilot, electric release, manual release, etc.

Where is a deluge system used?

Water spray deluge systems are typically used in hazardous environments where fires may spread very quickly or where valuable equipment surrounding the fire needs to be cooled. These systems are designed for use in a variety of special hazard applications.

What does deluge zone mean?

When we drop deluge (a lot of water!), we drop it in two zones with an option to open a third if needed. Thankfully we’ve only ever had to do this for testing, on maintenance closure nights. Those ‘deluge zone’ numbers are there so if there was a fire we can easily identify which zones to drop the water in.

How many types of deluge systems are there?

There are three main types of water deluge systems, components of which are shown below. From left to right, they are: fine water spray systems, sprinkler systems, and water spray systems.