Fujian, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
OEM/ODM Service
Sample Available
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Types of Fire Sprinklers, Fire Sprinkler, Concealed Fire Sprinkler Heads manufacturer / supplier in China, offering Dn 15 and Dn 20 Type of Fire Sprinkler, PVC Pipes for Delivery Water Pressure Hose, Quick Connect Storz Fire Coupling and so on.

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Dn 15 and Dn 20 Type of Fire Sprinkler

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Min. Order / Reference FOB Price
300 Pieces US $0.7/ Piece
Port: Xiamen, China
Production Capacity: 8000 Pieces
Payment Terms: L/C, T/T
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

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Basic Info

Model NO.: 15 20
Dry Alarm Valve Type: Enclosed Type
Wet Alarm Valve Structure: Pilot Valve Type
Alarm Valve Diameter: 65mm
Nozzle Flow Coefficient: 80
Deluge Valve Type: Thermal Type
Model: Zst
Bulb: 3mm or 5mm
Size: 1/2inch(15mm) or 3/4inch(20mm)
Temperature: 57/68/79/93 Degrees
Outlet: 11 ± 0.2mm
Nominal Operating: 68 Celsius Degree
Nominal Pressure: 12bar(1.2MPa)
Kinds: Upright Type/Pendent Type /Sidewall Upright Type .
Package: 200PCS Packing in a Carton Box
Color: Red/Green/Orange/Purple...
Trademark: Tianxing
Transport Package: 200PCS/CTN
Specification: 15 20
Origin: Quanzhou, Fujian Province, China
HS Code: 5909000000

Product Description

Types of fire sprinklers

(1). Type: Upright Sprinkler, Pendent Sprinkler, Sidewall Sprinkler, Concealed Sprinkler

(2). Nominal Diameter: 15mm, 20mm

(3). Thread Size: 1/2 inch, 3/4  inch

(4). K Factor: 80, 115

(5). Glass Bulb: 5mm, 3mm

(6). Material: Brass, Zinc

(7). Finish: chrome plated

(8.) Temperature: 57ºC, 68°C, 79°C, 93°C, 141°C

(9). Glass Bulb Color: Orange, Red, Yellow, Green, Blue


1.Sprinkler Introduction:


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
andthe 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.


2.Installation,Usage and 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 affect the 

sealing performance (note: the bulb temperature can be chosen according to the needs of users)

Pendent Sprinklers: Uesd Mainly, Where water pipeline, used for sprinklers in - stallation is concealed.
The sprinkler is mounted in a I discharging spray hemispherically.

Conventional Sprinkles: Used either in Upright or in Pendent Positions producing a spherical pattern with
part of water sprayed towards the cell.

Upright Sprinkles: Used mainly where the water pipeline is exposed. Mounded only in Upright position
discharging spray hemispherically.

Sidewall Sprinkles: Used mainly, where the pipeline run along the wall, sprinkles form out ward half parboiled pattern.

3.Product Feature:

It can not only detect the fire, but also extinguish the fire by spraying water.


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

5.Avaliable temperature:
Dn 15 and Dn 20 Type of Fire Sprinkler

Packaging & Shipping
fire sprinkler Package:200pcs packing in a carton box or according to your requirement
Dn 15 and Dn 20 Type of Fire Sprinkler


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