68 /79/93 degree glass bulb fire sprinkler Modle:DN15/DN20 material: zine / brass alloy bulb dia:3-5mm full types
Types Of Fire Sprinkler,68 /79/93 degreeFire Sprinkler,modle:DN15/DN20critical temperature:68/79/93 Celsiusbulb dia:3-5mm
Type:upright/pendent/common/EAFR/inpact
1.Detail pictures
2.Technical parameter
| Brand Name | Model | Material | critical temperature | Nominal Diameter (mm) |
| Jinyuan | ZST | 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 | ||||||||||
68 /79/93 degree glass bulb fire sprinkler
