Specifications

1/2 inch fire sprinkler
1) Pendent/ Upright/Sidewall sprinkler
2) manufacturer

 

The sprinklers of the pendant installation,ZST-15/20 Fiire Sprinkler Feature:

Bulb: 5 mm/3 mm

Finishes: Chrome

Orifice Size: 1/2'', 3/4"

Nominal operating temperature: 68 Celsius degree

Nominal pressure: 12Bar(1.2MPa)

Airproof test pressure: 30bars(3.0Mpa)

Outlet: 11 ± 0,2mm

Factor K: 80,0

Height: 54 ± 0,8mm

Width: 27,5 ± 0,5 mm

Package:200pcs packing in a carton box

 

 

 

1.Detail pictures

 

 

 

 

 

 

 

 

 

 

2.Technical parameter 

 

 

Type	Model	Material	critical temperature	Nominal Diameter (mm)
Pendent	ZSTX	Brass or Chrome Finished	68/79/93 Degrees Celsius	DN15/DN20

 

     Concealed fire sprinkler not only plays all functions what the standard ones have, but also has decorative plate where its sprinkler body conceal so as to make its look beautiful and to keep the ceilings elegant.

 

Type	Upright		Pendent		Sidewall		Common		Concealed		ESFR
Model	ZSTZ		ZSTX		ZSTBS		ZSTP		ZSTDY		ZSTY
Nominal Diameter (mm)	DN15	DN20	DN15	DN20	DN15	DN20	DN15	DN20	DN15	DN20	DN20
Connecting Threaded (Inch)	1/2	3/4	1/2	3/4	1/2	3/4	1/2	3/4	1/2	3/4	3/4
Flux Coefficient	80	115	80	115	80	115	80	115	80	115	115
Bulb Diameter	5mm glass bulb for standard response 3mm glass bulb for quick response
Response Time	15seconds in general for 5mm glass bulb 8seconds in general for 3mm glass bulb
Response Time Index RTI (m·s)0.5	87 for 5mm glass bulb   22—25 for 3mm glass bulb

 

 

3.Recommendation

 

 

 

 

4.packing detail

50pcs in 1 inner box  ,   4 inner boxes=200pcs in 1 carton