Fire Department Connections The FDC2 Fire Department Connections provide a means for firefighters to connect hose lines to a fire sprinkler system to supplement the domestic water supply. This ensures active fire protection systems have an adequate water supply. The FDC2 has two swivel inlet connections separated by a clapper that acts as a check valve against backflow if only one hose is attached. The FDC2 is available in straight and 90 degree body styles. Standards Compliance • UL ® Listed • C-UL ® Listed • FM® Approved Features Maximum Pressure: 300 PSI Standpipe Connection 4” NPT Siamese Inlet Connections 2 X 2-1/2”
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