Bulb Nominal Dia. & Response：Ø5mm, Standard Response； Ø3mm, Quick Response
Thread Size： NPT1/2 or R1/2 NPT1/2 or R1/2
Nominal K-Factor： 5.6 (U.S.) / 80 (metric) 5.6 (U.S.) / 80 (metric)
Max. Working Pressure： 175 psig/1.2 MPa (12 bar) 175 psig/1.2 MPa (12 bar)
Nominal Temp. Rating： 135°F /57°C or 155°F /68°C or 175°F /79°C or 200°F /93°C
The decorative cover of the Concealed pendent sprinkler can be installed in the ceiling as a whole, integrated with the ceiling, beautiful and generous appearance.
Concealed pendent sprinkler is mainly used for places with luxurious decoration and high appearance requirements, such as hotels, restaurants and bars and other public activity places.
The cover of the concealed spray is welded to the thread with fusible metal and has a melting point of 57 degrees. Therefore, in the event of a fire, the temperature rises to make the lid fall off, and then the temperature rises to 68 degrees (general sprinkler head), the glass tube bursts, water gushing out. Therefore, the most taboo of Concealed pendent sprinkler is coated with paint and paint on the lid, which will cause action failure.
