Fast response sprinkler refers to the closed sprinkler with response time index RTI no more than 50 (m * s) 0.5, such as 3mm diameter glass bulb sprinkler and fast response low-pressure sprinkler.
Model: ZSTW B-15, ZSTW B-20, ZSTW B-25 Flow Characteristics: 15 20 25 Thread Size: R₂ 1/2 Nominal Working Pressure: 0.35MPa Injection Angle(°): 120
Response time index:fast response/ standard response Installation mode:pendent/ sidewall Nominal diameter(mm):DN15 K factor:k=80 Rated Working Pressure:1.2MPa Testing pressure:3.0MPa
Flexible sprinkler hose with fittings:A flexible metal hose that ends at the sprinkler head in a sprinkler system. The main body is made of stainless steel, including stainless steel hose (i.e. bellows) and installation components.
Response time index(m*s)0.5:50<RTI≤80 / RTI≤80 Installation mode:pendent Nominal diameter(mm):DN20/ DN25 Rated Working Pressure:1.2MPa Testing pressure:3.0MPa