Nozzles must be mounted so that they are pointing down
Nozzle Positions and Heights
FM-200 GX20 -Nozzle to be 0.3m from wall (50mm)
3MNovec 1230 -Nozzle to be 0.15m from wall (50mm)
Maximum nozzle height:4.87m
FM-200 GX20 - Nozzle orifices 0.15m below
ceiling (50mm)3MNovec 1230 -
Nozzle orifices 100mm356mm below ceiling
Nozzle Positions FM-200 & 3MNovec 1230
Nozzles to Obstacles:FM200 >1.2mNovec > 1.8m separation
Minimum nozzle separation: 3.3m
180nozzles back-to-back:Minimum separation0.3 0.6m
180nozzle in middle 1/3 of wall
Design Distribution Piping
Fully Engineered Designs
Tee splits; permitted type and orientation
Kidde Hydraulic Flow Calculation Software provides detailed printable report
Allows for unbalanced apportioning of agent and protects more then 1 compartment.
NOTE: It is recommended that floor and ceiling voids are protected unless they are completely sealedfrom the main risk.
Pipe Rules Permitted Vertical Splits
3. Pipe Rules Unacceptable Vertical Splits
Not Acceptable Acceptable Flow splits at tees are sensitive
to gravity: No vertical side-tee splits No vertical bull-tee splits No vertical nozzle drops
Chemical Suppressants: Acceptable Tee- Splits
No vertical nozzle drops
10 x pipe diameter for Novec 15 x pipe diameter for FM-200
100%30-70% 70-90%
FM-200 Division of Flow
30-70%
FM-200 10-30%100%
Bull Tees: Both outlets must be in the horizontal plane. The inlet may approach in a horizontal or vertically up or down direction Side Tees: Outlets in the Horizontal Plane only Tee splits going to separate hazards from a common supply line must be spaced a minimum of 15 x nominal pipe diameter apart
FM-200
100%25-75% 65-90%
3MNovec 1230 Division of Flow
25-75%
100% 10-35%
Bull Tees: Both outlets must be in the horizontal plane. The inlet may approach in a horizontal or vertically up or down direction Side Tees: Outlets in the Horizontal Plane only Tee splits going to separate hazards from a common supply line must be spaced a minimum of 10 x nominal pipe diameter apart
3MNovec 1230
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