upright fire sprinkler system automatic

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