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Products  >  100 Series (GAL)  >  Control Functions  >  100DE Deluge Dry-pipe and Pre-action Valves  >    

100DE Deluge Dry-pipe and Pre-action Valves


The valve prevents flow of water into fire extinguishing sprinklers system until it is activated by the activation
devices. Different valve and control system configurations are available to meet the customer and relevant
standards demands. Please check Dorot Fire-Fighting publications for further information.
  Fast opening
Simple and reliable design
Automatic reset
Wide range of applications
UL Approval no. VLFT EX.6543

Purchase Specifications
The valve will be hydraulic, direct sealing diaphragm type, which allows inline maintenance. No stem, shaft
or guide bearing will be located with in the water passage.
The valve will be activated by the line pressure or by an external hydraulic or pneumatic pressure. The valve
and the controls will be a Dorot Series 100 valve or similar in all aspects.
Quick Sizing
  Valve size same as line or one size smaller
  Maximum flow speed for intermittent operation 8 m/sec (26 ft/sec)

Design Considerations
  The valve should be suited for the maximal flow and allowed headloss
  Check Dorot catalogue for Fire Fighting Valves for more information with regards to valve and applications types



Optional Control System Components:

1.  Main Valve
2. Self-flushing filter
3. Manual activation valve
4. Solenoid activation*
5. Pilot activation (by detection line)*
6. Drain valve

* Optional component


Typical Application

Dorot valve, activated by a splinker detection line.

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