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74 degree centigrade K14.2 ESFR fire sprinkler

Fire Sprinkler Protective Chrome Finished Fire Sprinkler Guard
  • Item No.:

    ESFR242
  • Material:

    brass
  • Connecting thread(inch):

    DN20
  • Glass Bulb Colour::

    red
  • Fire Sprinkler Type::

    ESFR
  • Temperature Raiting::

    74 degree
  • Certificate:

    CCCf
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Details

74 degree centigrade K14.2 ESFR fire sprinkler Advantages:

1.Cold and frost resistant due to the fusible alloy.

2.High pressure resistant and durable.

3.Quick response and higher fire extinguisher effect. K=16.8

74 degree centigrade K14.2 ESFR fire sprinkler Specifications

(1 ) Nominal caliber: 20mm, connection thread: R3 / 4 "or NPT3 / 4", water supply branch ≥ DN50.
( 2 ) Flow characteristic coefficient : K = 242 or K=14.2.
(3 ) Response time index (RTI) is 28 ±8m ·s ~ (-1) ~ (0.5).
(4 ) Maximum working pressure: 1.2 MPA.
(5 ) 100% Ex-factory pressure test: 3.45MPA
(6 )Nominal action temperature: 68 ℃.
(7 )Maximum coverage area: 9.3 mm, maximum spacing: 3.05m.

Installation, Usageand Maintenance:

During installation, should pay attention not to damage the bulb to avoid affect the thermal performance. In the process of wrench and twist, do not use spanner to wrench the supporting arm to deformation and affecthe sealing performance (note: the bulb temperature can be chosen according to the needs of users)



Application:

It is usually installed in areas with fire danger, including warehouses, shopping malls, hotels, hospitals, theaters, office building, high-rise building, garages and etc.

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Sample is available, please feel free to contact us or leave the message to us for sample, price or details specifications, catalog or test report.


For other fire sprinkler accessories, here is the way: fire sprinkler 

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