General Description :
The Fig.5311 Pneumatically Actuated, Double Interlocked Pre-Action Valve utilizes a Deluge Dry Pipe Valve and a pneumatic pilot system. The Fig.5311 is controlled by pressure maintained in the pneumatic release system and supervisory pressure maintained in the sprinkler piping system. The Model 5311 Double Interlocked Pre-Action Valve can also use for electrically and manual operation in case of emergency. Vertical or Horizontal installation.
The main valve is the same as Fig.9266.
Flanged or Grooved connection.
Rated Working Pressure 300 psi.
The Maximum Air Supply Pressure: 30psi.
UL listed in size 2″,2.5″,3″,4″,5″,6″,8″,10″,12″
WEFLO Double Interlocked Pre-Action Valve FIG.5311
Pressure Rating :
The Rated Pressure: 300 psi.
The Maximum Air Supply Pressure: 30psi.
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