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PRE-ACTION VALVES

Preaction Valves

  Sprinkler systems where extinguishing is carried out on the principle of a second event in addition to the explosion of the sprinklers, and additional detection systems are used are called pre-reacting sprinklers. The valves used in these systems are also called pre-reactor valves.

  They are divided into two parts according to locking systems.

  A - Single Interlock Pre-Action Systems

A.1- Wet Pilot Activated

A.2- With Dry Pilot Activation

A.3- Electrical Activation

  B - Double Interlock Pre-Action Systems

B.1- Electric - Pneumatic Activated (Sprinkler + Detector)

B.2- Electric - Electric Activated (Detector + Pressure Switch)

  They are used where the accidental explosion or damage of the sprinkler or sprinkler pipe can cause serious damage to the site.

  Scope of application

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- Computer Rooms

- Libraries

- Museums

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Double Lock Type

22
ÖLÇÜ: 2" - 8" ONAYLAR: UL, ULc, FM

Single Lock Type

21
ÖLÇÜ: 2" - 8" ONAYLAR: UL, ULc, FM

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