Main technical data ¡¡
Diameter Dn15 dn20
Material Zinc alloy or brass
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 to 25 for 3mm glass bulb
Flux coefficient 80 for dn15 115 for dn20
200pcs/carton
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