If the fire extinction systems work with the extra detection equipments, it is called as pre action sprinkler system.

Dimensions: 1 ½”-8”
Assemble Type: Flanged x Flanged
Flanged x Grooved
Grooved x Grooved

Assemble Type: Vertical and Horizontal
Working Pressure: 175~250psi
Approvals: FM, UL, ULC

Working Principle:

In pilot lines (wet, dry), after sprinklers explode or electrical detection (fume, heat and electrical discharging button) water moves is starting. Extra detection system (pilot sprinkler or detectors) it choose by provide the more quick detection.

Usage Purpose:

For preventing the hazards, which is cause from the sprinkler lines or sprinklers explodes.

Applications:
– Archives
– Computer rooms
– Libraries
– Museums