Fire Fighting Concealed Fire Sprinkler Heads Prices

Basic Info

Model NO.	ZSTDY
Dry Alarm Valve Type	Differential Type
Wet Alarm Valve Structure	Butterfly Valve Type
Alarm Valve Diameter	80mm-250mm
Nozzle Flow Coefficient	80L/Min or 115L/Min
Deluge Valve Type	Lever Type
Name	Fire Sprinkler
Norminal Diameter(mm)	Dn15/Dn20
Thread Standard	NPT/BSPT
Material	Brass/Zinc
Surface Finish	Chrome/Natural Brass/White
Temperature Rating	57/68/79/93/141/182 Degree
Response	Standard/Quick
K-Factor	5.6(80)/8.0(115)
Working Pressure	1.2MPa/175psig
Transport Package	Standard Export Package
Specification	1/2 Inch or 3/4 Inch
Trademark	SINCO/OEM
Origin	Quanzhou, Fujian
HS Code	8424
Production Capacity	150000pieces/Month

Product Description

Fire fighting concealed fire sprinkler heads prices
Introduction:
Fire sprinkler is an important part of wet-type auto spraying system. It is usually installed inside the building and structures with light fire danger, medium fire danger and heavy fire danger, such as workshop, warehouse, hotel, shop, recreational place, hospital, cinema, office building and garage.The sprinkler is composed of sprinkler frame, sealant and glass bulb. It is to be installed in the protective district via ductwork, acting as a fire detector and auto sprayer. In case of fire inside the protective district, the atmosphere temperature rises up and the liquid inside the glass bulb expands after being heated and explodes after reaching the operating temperature of the glass ball. The sealant drops and the sprinkler sprays to the protective district for fire extinguishments subject to the preset shape of spraying.
Technical parameters:

Type	Upright / Pendent /Sidewall/Conventional/Concealed
Material	Brass/Zinc
Surface finish	Natural brass or Chrom Plated or White Color Coated
Thread diameter	1/2" NPT/BSPT (DN15)	3/4" NPT/BSPT (DN20)
Flow characteristic coefficient	80L/min(K=5.6)	115L/min(K=8.0)
Glass bulb diameter	5mm(Standard Response) or 3mm(Quick Response)
Certificates	ISO,CCC,UL
Max working pressure	1.2Mpa (175Psig/12 Bar)
Factory Hydrostatic Test	100%, 3.0Mpa

Fire sprinkler photoes:

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