upright fire sprinkler system 1.zinc,chrome plating 2.1/2" 3/4" 3.68 Celsius degree 4.meet the GB5135.1-2003 standard
upright fire sprinkler systemZST Series Fire Sprinkler 1.68 Celsius degree 2. 1/2",3/4" 3. zinc, chrome plating 4. meet the GB5135.1-2003 standard
ZST Series Fire Sprinkler
specification:
Fire Sprinkler Farme
Brass die-casting body
Sand blasting & chrome plating
No leakage under 1.2 mpa pressure
Feature:
Standard response and quick response
NPT1/2 or R1/2 thread
Brass and chrome finished
Temperature rating: 57degree 68degree 79degree 93degree 141degree
Max.working pressure: 175psi
Hydrostatic testing pressure: 500psi for everyone
Min.operating pressure :7psi
Frame: bronze forging
Deflector: brass
Glass bulb: glass with glycerin solution.
Set screw: brass
Spring: stainless steel
Seal: Teflon tape
upright fire sprinkler system automatic
