SINGLE INTERLOCK PRE ACTION SYSTEM
The operation of single interlock systems are similar to dry systems except that these systems require a “preceding” fire detection event, typically the activation of a heat or smoke detector, takes place prior to the “action” of water introduction into the system’s piping by opening the pre-action valve, which is a mechanically latched valve (i.e., similar to a deluge valve)
Size |
50, 65, 80, 100, 150, 200 NB |
Pressure rating |
250 psi |
End Connection |
Grooved, Flanged |