glass bulb fire sprinkler,types of fire sprinkler heads
USD $0.72 - $1.14 /Piece
Min.Order:500 Pieces
Quanzhou Sanxing Fire-Fighting Equipment Co., Ltd.
fire sprinklers of the pendant installation,ZST-15/20 Fiire Sprinkler Feature:
fire sprinkler 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
fire sprinkler Package:200pcs packing in a carton box
1. Fire Sprinkler 's 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