Factory Assembled Preaction, Dry Pipe and Deluge Systems

  • Built using field-proven Reliable® Model DDX valves
  • Valve sizes from 2” (50 mm) to 8” (200 mm)
  • All sizes fit through a standard 36” (914 mm) doorway
  • Water supply and drain connections on both sides of cabinet, and at common centerlines

The Cabinet

• Powder coated steel construction
• All sizes fit through a standard 36” (914 mm) doorway
• Lifting eyes
• Access panels on both sides
• Water supply and drain connections on both sides and at common centerlines
• Supply and system pressure gauges as well as (optional) releasing control
panel display visible through door
• Releasing control panel housed behind gasketed cabinet door
• Gromets provided for pipe penetrations


System Pneumatic Device & Options

• Model B1 Accelerator Trim Kit

• Potter Model PFC4410RC Releasing Control Panel

• QRM Quiet Air Compressors 1/2 HP, 1 HP, or 1 1/2 HP in 115VAC (60 Hz)

• Nitrogen Supply Kit

• Model NS-ASAM Kit

• System Side Control Valve Kit

• Nitrogen Tank Bracket

• 300 psi Solenoid

• Dessicant Dryer


(Click above to read our PrePaK Brochure!)

Now Introducing The DDX PrePaK N2-Blast® System

FM Approved as a factory-assembled system. 



Available with Reliable® Preaction and Dry-Pipe Systems

• 2” (50 mm), 2½” (65 mm), 3” (80 mm) and 4” (100 mm) valve sizes
• DDX Type D preaction, DDX Type F preaction, or DDX-LP dry-pipe configurations

South-Tek N2-Blast® Model FPS-900-RS Nitrogen Generator

• FM Approved nitrogen generator
• Pressure Swing Adsorption (PSA) technology
• System capacity up to 900 gallons
• Includes AutoPurge System® vent



(Click above to see our DDX PrePaK N2-Blast® System Solution Sheet.)


View All PrePaK Product Bulletins


N2-Blast® and AutoPurge System® are registered trademarks of South-Tek Systems, LLC