Gold Member Since 2016
CN Spraying Equipment Co., Ltd.

Fire Nozzle, 7g Nozzle, 7n Nozzle manufacturer / supplier in China, offering 5/7n Water Mist Sysytem Nozzle for Fire Protection, T Fiiting for Mfe Plastic Misting Nozzle, Split Eye-Let Water Pipe Clamp Nozzle and so on.

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Supplier Homepage Product Special Purpose Nozzle Spirals and Fire Protection Nozzle 5/7n Water Mist Sysytem Nozzle for Fire Protection

5/7n Water Mist Sysytem Nozzle for Fire Protection

FOB Price: US $33 / Piece
Min. Order: 5 Pieces
Min. Order FOB Price
5 Pieces US $33/ Piece
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Production Capacity: 10000 Per Month
Transport Package: Good Quality Plastic Box for Each Nozzle
Payment Terms: T/T, Paypal, Money Gram, Western Union

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Basic Info
  • Model NO.: 7N
  • Material: Stainless Steel
  • Jet: Dispersed Jet
  • DC Gun Type: Ordinary DC Gun
  • 3/4": 1"
  • 303ss: 316ss
  • Low Pressure: Medium Pressure
  • Specification: ONE BAG EACH
  • HS Code: 8424909000
  • Water Form: Spray Gun
  • Pressure Range: Low-Pressure Water Gun
  • Functional Level:
  • Multiple Use Water Cannon Type: Spray Mist Jets
  • 1-1/2": 2"
  • Building Fire Protection: Vessel Fire Protection
  • Trademark: CNSS OR OEM
  • Origin: China
Product Description
Fire-fighting spray nozzle: 
1.Seven or Five Spray tip 
2. Wide surface coverage and High Density to get better evapouration cooling
3. Thread size from 1/2" - 3" BPST or NPT
4. Operating pressure: 10Mpa - 12 Mpa
5. Droplet size: Dv(0.9)=100μm
6. 316SS material for better erossion resistance

Inlet size Model numberFlow rate (L/min)Spray angle 
@ 100bar
1/2", 3/4"
Fire nozzle is to use the Water Mist for Fire Suppression. Water Mist is recently developed new technology 
for fire suppression / protection. Spray nozzles is one of the key perform components in these systems.
Working Principle:
Cooling: small dorplets, very good evaparative cooling ability
Radiant heat blocking: vapor from the evaporation of micro-drops make a good coverage of the fire sources, flame and smoke, blocking the expansion of fire
Local oxygen inerting: the volume of the micro-drop expand up to 1500 times after evaporation, dispeling the oxygen around the fire spot.
Traditional sprinkler systems uses very large amounts of water. High pressure water mist system uses 
water much more efficiently: it uses up to 90% less water than traditional sprinkler systems for the same 
application with equivalent or better performance.
Highly efficient: efficient on both A- and B-class fires in laboratory tests and actual fires
Non-hazardous: water mist is completely harmless to people and the environment.
Clean: water mist uses only small amounts of plain, fresh water. It causes virtually no damage and 
requires very little clean-up.

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Miss Chloe Lin
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