
Fujian Haijing Fire Fighting Equipment Co., Ltd. is one of the leading manufacturers and suppliers of dry nozzle in China, also supports customized service. Please feel free to wholesale cheap dry nozzle from our factory.
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Dry nozzle is the core component of dry automatic sprinkler fire extinguishing system, characterized by the nozzle being filled with compressed air or nitrogen gas and no water in the pipeline. In case of a fire, the temperature sensing element (such as a fusible alloy or glass ball) ruptures, and the pipeline is filled with water and sprayed to extinguish the fire after the gas is released.
Advantages of dry nozzle
Dry nozzle is the core component of dry sprinkler system, suitable for low temperature or freezing environments (such as cold storage, garage, unheated warehouse, etc.). Compared to wet nozzles, dry nozzles have:
1. Excellent anti freezing performance
No water retention: The nozzle and pipeline are filled with compressed air or nitrogen to prevent pipeli
ne rupture caused by low-temperature freezing.
Suitable for low-temperature environments: It can work stably in environments ranging from -40 ° C to 70 ° C and is suitable for places such as cold storage and outdoor parking lots.
2. Rapid response to fire extinguishing
Double action valve design: In the event of a fire, the thermal sensitive element (glass bulb/fusible alloy) will rupture first, and after the air is released, the water flow will quickly fill the pipeline and spray.
Short delay: After optimization of modern dry nozzles, the water spray delay is only 1-3 seconds, approaching the efficiency of wet systems.
3. High system security
Anti accidental spraying: The pressure inside the pipeline can detect leaks, avoiding accidental spraying caused by pipeline damage.
Corrosion resistance: The nozzle material is mostly bronze or stainless steel, which is not easily corroded in a long-term dry environment.
4. Convenient maintenance
No scale problem: The pipeline is usually free of water, reducing the risk of sediment clogging the nozzle.
Easy maintenance: No need to empty the pipeline, the nozzle can be directly disassembled or replaced.
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Q&A
Q1: What are the advantages of dry nozzles?
A1: Antifreeze: Suitable for cold regions such as cold storage and garages. Prevent accidental spraying: The pipeline is free of water, reducing the risk of non fire leaks. Wide protection range: can cover low-temperature places where wet systems cannot be used.
Q2: Typical application scenarios?
A2: Low temperature environment: refrigerated warehouse (above -40 ℃), unheated garage.
Special industry: Chemical storage room (requiring anti-corrosion nozzles).
Temporary buildings: Temporary facilities on construction sites (to prevent pipeline freezing and cracking).
Contact Information
Send us your enquiry, we will reply In 24 Hours!
Pauline
WhatsApp/WeChat: +86-13332933886
Email: manager@sanjingfire.com
Add: Maosheng RD., Fumao Economic Zone, Nan'an City, Fujian, China, 362300
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