China DN20 Upright Fire Sprinkler of Fire Sprinkler System

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 BulbZSTP/X/Z5727OrangeZSTP/X/Z6838RedZSTP/X/Z7949YellowZSTP/X/Z9363GreenZSTP/X/Z141111OrichidZSTP/X/Z182152Purple

Notes: we make available costmozied design for our customer
Company Information:
With a history of more than 20 years, Shenzhen Winan Industrial Development Co. Ltd. is a professional manufacturer and exporter who are focusing on designing, developing and manufacturing all kinds of Fire fighting equipment. The company now has a large area of industrial workshops of more than 10000 square meters, located in Shenzhen, China, with convenient transportation access.
All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction. As a result of our high quality products and outstanding customer service, we have gained a global sales network around the world.
Certificates:
All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction. As a result of our high quality products and outstanding customer service, we have gained a global sales network around the world.
FAQ:
1. Do you offer free sample for your clients?
Yes, we can offer you free sample.
2. What's the MOQ of your products?
MOQ is ONE pcs/set.
3. Are you manufacturer with your own factory?
Yes, we are the manufacturer for more than 20 years
4. What's your?payment terms?
We accept T/T, L/C, Western Union, Paypal,etc.
5. How long is the?delivery time?
Usually around 15 days after payment.
6.Can you accept OEM?
Yes, we do customized design for our clients.