Fire Preaction Device

7 month ago

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Zhengzhou guan hao yong International Trade Co.,

11 month

Product details

The pre action device of ZSFY10015020 model is also known as a pre action alarm valve. This device is usually installed in places where fire and water leakage are not allowed, such as libraries, archives, valuable item storage rooms, computer rooms, etc. It is usually filled with low-pressure air or nitrogen in the pipeline for detection before a fire occurs, and has the characteristics of a dry fire protection system, making it suitable for areas with high temperatures, severe cold, and freezing.

structure

It consists of multiple components, including pre action alarm valve group, control panel, air pressure maintenance device, and air supply device. When there is no fire, the system side pipeline is filled with compressed air to monitor the sealing of the pipeline network and avoid water damage and pipeline freezing. When a fire occurs, the supporting fire automatic alarm system is linked or remotely controlled, and the pre action alarm valves group is manually activated. The water distribution pipeline is filled with water, and the system is transformed into a wet automatic sprinkler fire extinguishing system, while issuing an alarm signal.

Application of Pre action Device ZSFY10015020 in Coordination with Valves

In practical applications, the pre action device ZSFY10015020 is usually used in conjunction with various valves, mainly including gate valves, ball valves, butterfly valves, etc. The functions of these valves are as follows:

1. Gate valve: mainly playing a role in opening or closing the system. In the pre action system, gate valves can be used to control the water flow of the main supply pipeline, ensuring that the system can be quickly filled with water when necessary.

2. Ball valve: Ball valves have good sealing performance and are usually used to quickly cut off or connect medium flow, In the pre action system, ball valves may be used to quickly discharge gas from the system side pipeline network or to quickly cut off water flow when needed.

3 Butterfly valve: Butterfly valves are mainly used to regulate flow and can also be used as globe valve. In the pre action system, butterfly valves can be used to regulate the water flow entering the pipeline network, ensuring stable operation of the system under different loads.

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