A single-port water curtain nozzle refers to a water curtain nozzle with only one water outlet. It is a sprinkler device fixed in the water curtain system pipe. It is used to continuously spray water to form a water curtain, protect surfaces threatened by fire and form fireproof separation. Common single-port water curtain nozzles include horizontal side sprays and pendant sprays, which are suitable for water curtain partitions in large spaces in buildings and structures that require water curtain protection.

Working principle of single-port water curtain nozzle:

Under the action of water pressure, the single-port water curtain nozzle quickly forms a water curtain with the inflowing water, sprays it out at a certain speed, and evenly sprays it within the corresponding range according to a certain atomization angle, covering the outer surface of the protected object. It has the functions of cooling, suffocation, emulsification, dilution, insulation, etc., to suppress the fire and extinguish the fire.

Product features of single-port water curtain nozzle:

● Limit the burning speed, reduce fire damage, reduce explosion risks, and promote steam dilution and dispersion.

● Only water is used as fire extinguishing agent, which is very economical.

● If liquid fire is required to be extinguished, clean water foam can be introduced into the mixer.

● Can be effectively used in conjunction with other fire extinguishing systems.

Single port water curtain nozzle model specifications:

The working pressure of a single-port water curtain nozzle is usually 0.1~0.6Mpa, and the water curtain inclination angle deviation shall not be greater than ±3°. The calculation method of the flow coefficient is the same as that of the water curtain nozzle. The following is a selection table of commonly used single-port water curtain nozzles:

Single-port water curtain nozzle uses:

The water curtain nozzle is used in conjunction with the rain alarm device to form a water curtain system. Single-port water curtain nozzles are commonly used for:

1. For fire separation: can be used around stages, windows, escalators, spiral stairs and building atriums;

2. For protective cooling: It can be used in fireproof roller shutters, glass curtain walls, fire doors, steel components and other places.

Water curtain nozzle structure type:

The structural feature codes and usage feature codes of the water curtain nozzle are as follows:

①Type A: represents a water curtain nozzle with a water curtain inclination angle (the angle between the nozzle inlet axis and the water outlet axis) of 0°.

②Type B: Indicates a water curtain nozzle with a water curtain inclination angle of 90° and only one water outlet.

③Type C: represents a water curtain nozzle with a water curtain inclination angle of 90° and two water outlets.

④D type: indicates a water curtain nozzle with a water curtain inclination angle other than 0° or°.

⑤Type G: Indicates water curtain nozzles only suitable for fire separation.

⑥L type: Indicates water curtain nozzles only suitable for protection and cooling.

⑦T type: Indicates a universal water curtain nozzle suitable for fire separation, protection and cooling.