Upright Quick Response Fire Sprinkler

Product Description

Main units of the ESFR series quick response sprinkler are glass bulb, seal and sprinkler. The glass bulb consists of an accurately controlled amount of special fluid hermetically sealed inside a precisely manufactured glass capsule. This glass bulb is specially constructed to provide fast thermal response. At normal temperatures, the glass bulb contains the fluid in both the liquid and vapor phases. The vapor phase can be seen as a small bubble. As heat is applied, the liquid expands, forcing the bubble smaller and smaller as the liquid pressure increases. Continued heating forces the liquid to push out against the bulb, causing the glass to shatter, opening the waterway and allowing the deflector to distribute the discharging water.
Application:
Quick response sprinklers are used in fixed fire protection systems: Wet, Dry, Deluge or Preaction such as huge theatres, halls and convention center. Quick response sprinklers and standard response sprinklers should not be intermixed.
Technical Parameters:
1. Rated working pressure: 1.2MPa.
2. Diameter of glass bulb: Φ3mm
Rated Temperature & Color Code:

Model	Rated Response Temperature (°C)	Highest Ambiet Temerature (°C)	Liquid Color in Glass Bulb
ESFR-20	68	38	Red
ESFR-20	79	49	Yellow
ESFR-20	93	63	Green

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.