Special Hazards/Special Systems

PrePaK Systems 
733A - DDX PrePaK Preaction System - 4" & 6" (100mm & 150mm) 
723D - H PrePaK Preaction System - 1-1/2" (40mm) 
724F - A PrePaK Preaction System - 2-1/2 
740 - DDX PrePaK Preaction System - 2" (50mm), 2-1/2" (65mm), & 3" (80mm) 
725D - BX PrePaK Preaction System - 4" & 6" (100mm & 150mm)
Deluge Preaction/ Supertrol Systems 
708A - Supertrol Electrical Systems
Single Interlock Preaction Systems 
719D - Single Interlock Preaction System - 1-1/2" (40mm) - Electric Actuation 
736 - Single Interlock Electric Release Preaction System - 2", 2-1/2", 3", & 76mm - DDX Valve 
721C - Single Interlock Preaction System - 1-1/2" (40mm) - Electric Actuation 
715D - Single Interlock Preaction System - 2-1/2" (65mm) - Electric Acutation 
716D - Single Interlock Preaction System - 4" & 6" (100mm & 150mm) - Electric Actuation 
734 - Wet Pilot Line Single Interlock Preaction System - 2", 2-1/2", 3" & 76mm - DDX Valve 
731A - Wet Pilot Line Single Interlock Preaction System 4" (100mm), 6" (150mm) & 165mm - DDX Valve 
735 - Dry Pilot Line Single Interlock Preaction System - 2", 2-1/2", 3" & 76mm - DDX 
732B - Dry Pilot Line Single Interlock Preaction System 4" (100mm), 6" (150mm) & 165mm - DDX Valve 
727D - Single Interlock Preaction System - 4" & 6" (100mm & 160mm) - DDX Valve 
717C - Single Interlock Preaction System - 100mm & 150mm (LPCB Approved)
Double Interlock Preaction Systems 
720C - Double Interlock Preaction System -Type D - 1-1/2" (40mm) 
713C - Double Interlock Preaction System - Type D - 2-1/2" (65mm) 
710E - Double Interlock Preaction System -Type A - 4" & 6" (100mm & 150mm) 
714E - Double Interlock Preaction System - Type D - 4" & 6" (100mm & 150mm) 
730A - Double Interlock Preaction System - Type F - 4" & 6" (100mm & 150mm) 
737 - Double Interlock Preaction System - Type D - 2", 2-1/2", 3" & 76mm - DDX Valve 
738 - Double Interlock Preaction System - Type F - 2", 2-1/2", 3" & 76mm - DDX Valve 
728D - Double Interlock Preaction System - Type D - 4" & 6" (100mm & 150mm) 
729D - Double Interlock Preaction System - Type F- 4" & 6" (100mm & 150mm)