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 Special Hazards/Special Systems:: Double Interlock Preaction Systems
Model: Double Interlock Preaction System -Type D - 1½" (40mm)
Model: Double Interlock Preaction System - Type D - 2½
Model: Double Interlock Preaction System - Type D - 2" (50mm), 2½" (65mm), 3" (80mm) & 76mm
 
 
 
Bulletin: 
720 Rev E (PDF)
Bulletin: 
713 Rev E (PDF)
Bulletin: 
737 Rev C (PDF)
View CAD Drawings
View CAD Drawings
View CAD Drawings
     
     
Model: Double Interlock Preaction System - Type F - 2” (50mm), 2½” (65mm), 3” (80mm) & 76mm
Model: Double Interlock Preaction System - Type D - 4” (100mm), 6” (150mm) & 165mm
Model: Double Interlock Preaction System - Type F - 4” (100mm), 6” (150mm) & 165mm
 
 
 
Bulletin: 
738 Rev C (PDF)
Bulletin: 
728 Rev F (PDF)
Bulletin: 
729 Rev F (PDF)
View CAD Drawings
View CAD Drawings
View CAD Drawings
     
     
Model: Double Interlock Preaction System - Type D - 8" (200mm)
Model: Double Interlock Preaction System - Type F - 8" (200mm)
 
 
  
Bulletin: 
744 Rev A (PDF)
Bulletin: 
745 Rev A (PDF)
View CAD Drawings
View CAD Drawings
     

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