Gold Member Since 2015
Audited Supplier
Shenzhen Winan Industrial Development Co., Ltd.

Fire Sprinkler, Sprinkler, Quick Response Sprinkler manufacturer / supplier in China, offering Upright Quick Response Fire Sprinkler, Mobile Fire Water Monitor for Firefighting, Manual Fire Water Monitor and so on.

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Upright Quick Response Fire Sprinkler

FOB Price: US $2.2 / Piece
Min. Order: 200 Pieces
Min. Order FOB Price
200 Pieces US $2.2/ Piece
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Transport Package: Carton+Crate
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: ESFR
  • Sprinkler Head Type: Closed
  • Automatically Opened and Closed Repeatedly: Can′t Automatically Opened and Closed
  • Wet Alarm Valve Structure: Seat Type
  • Nozzle Flow Coefficient: 80
  • Response Temperature: 68deg,79deg,93deg
  • Working Pressure: 1.2MPa
  • Origin: Shenzhen, China
  • Sprinkler Installation: Upright
  • Alarm Valve Type: Wet Alarm Valve
  • Closed Fire Sprinkler System: Wet Fire Sprinkler System
  • Alarm Valve Diameter: 150mm
  • Nominal Diameter: Dn15, Dn20
  • Bulb Color: Orange, Red, Yellow, Green, Orchid, Purple
  • Trademark: GAN
Product Description

Main units of the ESFR series quick response sprinkler are glass bulb, seal and sprinkler. The glass bulb consists of an accurately controlled amount of special fluid hermetically sealed inside a precisely manufactured glass capsule. This glass bulb is specially constructed to provide fast thermal response. At normal temperatures, the glass bulb contains the fluid in both the liquid and vapor phases. The vapor phase can be seen as a small bubble. As heat is applied, the liquid expands, forcing the bubble smaller and smaller as the liquid pressure increases. Continued heating forces the liquid to push out against the bulb, causing the glass to shatter, opening the waterway and allowing the deflector to distribute the discharging water.

Application:
Quick response sprinklers are used in fixed fire protection systems: Wet, Dry, Deluge or Preaction such as huge theatres, halls and convention center. Quick response sprinklers and standard response sprinklers should not be intermixed.

Technical Parameters:
1.    Rated working pressure: 1.2MPa.
2.    Diameter of glass bulb: Φ3mm

Rated Temperature & Color Code:
ModelRated Response Temperature (°C)Highest Ambiet
Temerature (°C)
Liquid Color in 
Glass Bulb
ESFR-206838Red
ESFR-207949Yellow
ESFR-209363Green


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