Guangdong, China
Business Type:
Business Range:
Construction & Decoration, Industrial Equipment & Components, Security & Protection
Management System Certification:
ISO 9001, ISO 9000
Terms of Payment:
LC, T/T, Western Union
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Sprinkler, Fire Sprinkler, Sprinkler System manufacturer / supplier in China, offering Dn20 Upright Fire Sprinkler of Fire Sprinkler System, Customized Fire Fighting Suit of Five-Piece Set, Foam Cart/Mobile Foam Tank/Unit for Fire Fighting and so on.

Gold Member Since 2015
Audited Supplier

Dn20 Upright Fire Sprinkler of Fire Sprinkler System

Get Latest Price
Min. Order / Reference FOB Price
100 Pieces US $0.6-0.6/ Piece
Transport Package: Crate or Carton
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′t Automatically Opened and Closed
Closed Fire Sprinkler System: Wet Fire Sprinkler System
Wet Alarm Valve Structure: Pilot Valve Type

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Basic Info

Model NO.: ZST
Alarm Valve Diameter: 150mm
Nozzle Flow Coefficient: 80
Nominal Diameter: Dn15, Dn20
Response Temperature: 57deg;68deg,79deg,93deg,141deg
Bulb Color: Orange, Red, Yellow, Green, Orchid, Purple
Working Pressure: 1.2MPa
Trademark: GAN
Origin: Shenzhen, China

Product Description

The ZST series standard response sprinkler is the key unit in sprinkle system. It is consist of sprinkler, heat sensitive component (a glass bulb) and seal. It is installed in protection zone. The temperature of surroundings reaches the motion level when fire breaks up, the liquid in the glass bulb swells and then the glass bulb blasts. Thus, the seal drops and the sprinkler start to work.
The sprinkler can detect fire and spray automatically. It is widely used to protect the restaurants, hotels, hospitals, theatre, shops, buildings, warehouses, underground garages and garment factories.
This kind of sprinkler has many types to choose from. Types contain upright, pendent, conventional, vertical sidewall and horizontal sidewall. And there are two different aperture sizes for our products, one is 15mm and the bigger one is 20mm. Of course the aperture size can be manufactured as clients' demands. The bigger aperture sprinklers applied in cases where wider spray square is needed but pressure of water supply is not so high.

Technical parameters:
1.    Rated working pressure: 1.2MPa.
2.    Diameter of glass bulb: Φ5mm

Rated temperature and color code: 
ModelRated Response Temperature (°C)Higest Ambient
Temperature (°C)
Liquid Color
in Glass Bulb

Notes: we make available costmozied design for our customer

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