Glass Bulb Type Esfr Upright/Pendent Fire Sprinkler

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	68 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

Glass bulb type ESFR upright/pendent fire sprinkler
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	68 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