SINCO FIRE AND SECURITY CO., LIMITED  

Product Name: 79 Degree Brass Material Fire Sprinkler Heads Prices Model NO.: ZST Deluge Valve Type: Lever Type Nozzle Flow Coefficient: 80L/Min or 115L/Min Alarm Valve Diameter: 80mm-250mm Wet Alarm Valve Structure: Butterfly Valve Type Dry Alarm Valve Type: Differential Type Closed Fire Sprinkler System: Wet Fire Sprinkler System Open Fire Sprinkler System Type: Water Spray System Automatically Opened and Closed Repeatedly: Can't Automatically Opened and Closed Alarm Valve Type: Wet Alarm Valve Sprinkler Head Type: Closed Sprinkler Installation: Upright/Pendent/Sidewall 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 Trademark: SINCO/OEM Transport Package: Standard Export Package Specification: 1/2 Inch or 3/4 Inch Origin: Quanzhou, Fujian HS Code: 8424 Product Description 79 degree brass material fire sprinkler heads pricesIntroduction: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:TypeUpright / Pendent /Sidewall/Conventional/ConcealedMaterialBrass/ZincSurface finishNatural brass or Chrom Plated or White Color CoatedThread diameter1/2" NPT/BSPT (DN15)3/4" NPT/BSPT (DN20)Flow characteristic coefficient 80L/min(K=5.6)115L/min(K=8.0)Glass bulb diameter5mm(Standard Response) or 3mm(Quick Response)CertificatesISO,CCC,ULMax working pressure1.2Mpa (175Psig/12 Bar)Factory Hydrostatic Test100%, 3.0MpaFire sprinkler photoes:Other Fire Fighting Equipment