K5.6(80), K8.0(115) ½” NPT (15 mm) ¾” NPT (20 mm) 57 ̊C(135 ̊F), 68 ̊C(155 ̊F) 79 ̊C(175 ̊F), 93 ̊C(200 ̊F) 141 ̊C(286 ̊F)K Factor 
Thread size Quick response Response Brass,Chrome Finishes Temperature
Sidewall Sprinkler / Standard response model DY-3439 / DY-3429
The sprinkler has a heat-sensitive glass bubble, which holds the water flowing behind the tube. And as soon as the ambient temperature reaches the designed temperature, the bubble breaks and water comes out. This type of sprinkler can work at different temperatures (57, 68, 79, 93) ° C. They are preferred in suspended ceilings or in locations where downward sprinklers are appropriate. Water sprays in a conical expansion. They can be used with escutcheons.
It also has TSE – UL – FM – GOST – CE – LPCB standards.
Certificate: (Click to view)
certificate 1
certificate 2
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certificate 4
approval guide