Brass Water Spray Nozzle Head for Firerighting

• Sprinkler Installation: Sidewall/Pendent
• Sprinkler Head Type: Open
• Alarm Valve Type: Deluge Valve
• Automatically Opened and Closed Repeatedly: Can Automatically Opened and Closed
• Open Fire Sprinkler System Type: Drencher System
• Nozzle Flow Coefficient: 21-140
• Model NO.: Zstw
• Material: Brass, Chrome Finished
• Connecting Thread: R1/2, R3/4, R1
• Working Pressure: 0.35MPa(3.5bar)
• Flow Coefficient: 21 42 18 28 45 90 140 40 45 60
• Spraying Angle: 140±10° 160±10°
• Applicable Place: Large Factories, Workshops, Halls, Stages, etc.
• Use: Fire Fighting
• Transport Package: Standard Export Carton
• Trademark: GW/Customized
• Origin: Fujian
• HS Code: 8481909000
• Production Capacity: 500000PCS/Month

Product Description

Drencher sprinkler for fire fighting system

Water curtain nozzle, which is the main component of water curtain system, can distribute pressure driven water into curtain shape at certain width and thickness to reach the purpose of stopping fire from spread, absorbing heat and isolating the smoke, widely used in the door, window, hole of buildings, large factories, workshops, halls, theaters, stages or the area between adjacent buildings.

Main Technical Parameter:

Model specification	Dimension(mm)	Flow coefficient	Spraying angle(°)	Connect thread
ZSTMA21-140	25X28X35	21	140±10	R1/2
ZSTMA42-140	30X34X30	42	140±10	R3/4
ZSTMB18-160	25X28X32	18	160±10	R1/2
ZSTMB28-160	25X28X32	28	160±10	R1/2
ZSTMB45-160	25X28X35	45	160±10	R1/2
ZSTMB90-160	30X34X35	90	160±10	R3/4
ZSTMB140-160	30X34X35	140	160±10	R3/4
ZSTMC40-160	25X28X42	40	160±10	R1/2
ZSTMC45-160	30X34X54	45	160±10	R3/4
ZSTMC60-160	42X48X72	60	160±10	R1