A complete gas fire extinguishing system consists of gas fire extinguishing devices, fire extinguishing agent pipelines, valve driving devices, nozzles, control components, etc. The nozzles are important components in the gas fire extinguishing system that control the flow rate of the fire extinguishing agent and ensure uniform distribution of the fire extinguishing agent. However, due to the various nozzle structures and the different designed flow rates of nozzles for each gas fire extinguishing system, the installation requirements and design requirements of gas fire extinguishing nozzles are also different.

Gas fire extinguishing nozzle product features:

● Scope of application: used in various gas fire extinguishing scenarios

●Material: copper, aluminum, stainless steel

● Thread: 3/8”, 3/4”, 1/2”, 2”, 2.5”, BSP, NPT, etc., can be customized

●Spray range: 180 degrees, 360 degrees

● Protection radius: related to parameters such as size and pressure

Gas fire extinguishing nozzle specifications and dimensions:

Gas fire extinguishing nozzles are divided into nozzles with spray hoods and nozzles without spray hoods. The threaded interfaces are also divided into internal threads and external threads. Customers can also customize them according to actual conditions. The following is a selection table for conventional gas fire extinguishing nozzles:

Gas fire extinguishing nozzle price:

Unit price: 100 yuan/piece

Lanzhong Electromechanical has the ability to design and produce various forms of nozzles, and can customize the structural type, flow coefficient and material according to customer needs. We will quote based on the design and production difficulty of the nozzle as well as the order quantity, and provide wholesale supply. Large quantity and good price. Welcome to buy!

Design principle of gas fire extinguishing nozzle:

1. The nozzle is threaded. There are two forms: internal thread and external thread.

2. The spray cover has a guiding function, allowing the sprayed fire extinguishing agent to be sprayed towards the protected object at a faster speed. The fire extinguishing agent sprayed from the nozzle without spray cover mainly relies on the natural settlement of the fire extinguishing agent to reach the protected object. It is advisable to use a nozzle with a spray cover under the suspended ceiling.

3. The nozzle with orifice can perform secondary pressure reduction on the IG-541 gas fire extinguishing system. By controlling the opening size of the orifice plate, the fire extinguishing agent flow rate, injection pressure and spraying time of each nozzle can be effectively controlled. In a balanced pipe network system, the opening size of each nozzle is the same; in an unbalanced pipe network system, the opening size of each nozzle is accurately calculated by special calculation software.

Gas fire extinguishing nozzle performance requirements:

1. The nozzle should be able to withstand a certain pressure. After the test, the nozzle should not be deformed, cracked or otherwise damaged.

2. When in use, it should be able to withstand high temperature and cold shock. After testing according to the test methods specified in the standard, the nozzle body should not be deformed, cracked or broken.

3. The nozzle should be able to withstand the impact of control, operation, transportation and installation.

4. The nozzle should have certain corrosion resistance.

5. The cross-sectional area of ​​the nozzle hole cannot be less than the specified value.

6. The nozzle should have a permanent mark indicating its model and specifications.