Extended Coverage Upright Fire Sprinklers

Basic Info

Model NO.	ESFR
Connecting Thread	3/4",1"
Thread Standard	NPT/BSPT
Norminal Diameter(mm)	Dn20/Dn25
Material	Brass
Surface Finish	Natural Brass
Temperature Rating	74 Degree
Response	Fast Response
K-Factor	16.8/25.2
Working Pressure	0.1~1.2MPa
Application	High-Piled Storage/in-Rack Storage/Warehouse
Transport Package	Standard Export Package
Specification	3/4" 1"
Trademark	SINCO/OEM
Origin	Quanzhou, Fujian
HS Code	8424
Production Capacity	2000pieces/Week

Product Description

Extended Coverage Upright Fire Sprinklers
Introduction
ESFR,early suppression fast response spinkler is one kind of storage sprinklers. They are intended for use in specific applications, including the protection of high-piled and rack storage of a variety of finished goods. There sprinklers can provide more water at lower pressures or more water over a greater area of coverage. In many instances, use of the storage sprinklers can eliminate the need for additional in-rack sprinklers. It could be used for high-piled storage, in-rack storage, warehouse, high challenge occupancies and so on.
Technical parameters

Type	Early Suppression Fast Response (ESFR U/ESFR P)
Material	Brass
Surface finish	Natural brass
Operating Temperature	74 ºC
Thread diameter	3/4" NPT/BSPT (DN20)	1" NPT/BSPT (DN25)
Flow characteristic coefficient	241L/min(K=16.8)	362L/min(K=25.2)
Celling height	Greater than 45ft(13.7m) up to and including 48ft(14.6m), and a storage arrangement up to and including 43ft(13.1m)
Certificates	ISO, UL
Max working pressure	0.1~1.2Mpa (1~12 bar)
Factory Hydrostatic Test	100%, 3.0Mpa

PhotoesFactory workshop