5mm Brass Concealed Fire Sprinklers

Basic Info

Model NO.	DN20
Sprinkler Installation	Upright
Sprinkler Head Type	Closed
Alarm Valve Type	Wet Alarm Valve
Automatically Opened and Closed Repeatedly	Can Automatically Opened and Closed
Open Fire Sprinkler System Type	Water Spray System
Closed Fire Sprinkler System	Dry Fire Sprinkler System
Dry Alarm Valve Type	Differential Type
Wet Alarm Valve Structure	Pilot Valve Type
Alarm Valve Diameter	65mm
Nozzle Flow Coefficient	80
Deluge Valve Type	Piston Type
Size	65(Dia.)*100(H)*12(Hole Dia.)mm
Type	Fishing Float
Transport Package	Packing by Cartons
Trademark	Tianxing
Origin	Quanzhou, Fujian, China
HS Code	5909000000
Production Capacity	800000/Day

Product Description

Aluminum Fire Sprinkler Fire Fighting Equipment1. Sprinkler is an important part of wet-type auto spraying system. It is usually installed inside the buildingand 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.2. The sprinkler is composed of sprinkler frame, sealant and glass bulb. It is to be installed in the protectivedistrict 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 andexplodes after reaching the operating temperature of the glass ball. The sealant drops and the sprinklersprays to the protective district for fire extinguishments subject to the preset shape of spraying.The sprinklers of the pendant installation, ZST-15/20 Fiire Sprinkler Feature:Bulb: 5 mm/3 mmFinishes: ChromeOrifice Size: 1/2'', 3/4"Nominal operating temperature: 68 Celsius degreeNominal pressure: 12Bar(1.2MPa)Airproof test pressure: 30bars(3.0Mpa)Outlet: 11 ± 0, 2mmFactor K: 80, 0Height: 54 ± 0, 8mmWidth: 27, 5 ± 0, 5 mmPackage: 200PCS packing in a carton boxFinishes: ChromeBulb: 5mm/3mmOrifice Size: 1/2'', 3/4"Nominal operating temperature: 68 Celsius degree