Glass Bulb Type Esfr Upright/Pendent Fire Sprinkler

• Sprinkler Installation: Upright/Pendent
• 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
• Nozzle Flow Coefficient: 242L/Min,363L/Min
• 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

Photoes



Factory workshop