Page 13 - NG-1 100, NG-1 250, NG-1 500 - Wall-Mounted Nitrogen Generator System Installation Manual

Sprinkler Leak Rate to TYCO Nitrogen Generator Run Cycle Comparison
Generator Cycle Time
Time between cycles Hrs.
Cycles per Day
Cycles per Week
Generator Cycle Time
Time between cycles Hrs.
Cycles per Day
Cycles per Week
Leak Rate
psig (bar)/24 Hr
Leak Rate
psig (bar)/24 Hr
1.5 (.10) * 2.0 (.14) 2.5 (.17) 3.0 (.20) *** 3.5 (.24) 4.0 (.28) 4.5 (.31) 5.0 (.35) 5.5 (.38) 6.0 (.41) 6.5 (.45) 7.0 (.48) 7.5 (.52) 8.0 (.55) 8.5 (.59) 9.0 (.62) 9.5 (.66) 10.0 (.69) 10.5 (.72) 11.0 (.76) 11.5 (.79) 12.0 (.83) 12.5 (.86) 13.0 (.90) 13.5 (.93) 14.0 (.97) 14.5 (1.0)
80 <1 3 60 <1 3 48 <1 4 40 <1 5
34.3 <1 5 30 <1 6 26.7 <1 7 24 1 7 21.8 2 8 20 2 9 18.5 2 9 17.1 2 10
16 2 11
15 2 12 14.1 2 12 13.3 2 13 12.6 2 14
12 2 14 11.4 3 15 10.9 3 16 10.4 3 17
10 3 17 9.6 3 18 9.2 3 19 8.9 3 19 8.6 3 20 8.3 3 21
15.0 (1.0) 15.5 (1.1) 16.0 (1.1) 16.5 (1.2) 17.0 (1.2) 17.5 (1.2) 18.0 (1.2) 18.5 (1.3) 19.0 (1.3) 19.5 (1.3) 20 (1.4) 21 (1.4) 22 (1.5) 23 (1.6) 24 (1.7) 25 (1.7) 26 (1.8) 27 (1.9) 28 (1.9) 29 (2.0) 30 (2.1) 31 (2.1) 32 (2.2) 33 (2.3) 34 (2.3) 35 (2.4) 36 (2.5) **
8 3 21 7.7 4 22 7.5 4 23 7.3 4 23 7.1 4 24 6.9 4 25 6.7 4 25 6.6 4 26 6.3 4 27 6.2 4 27
6 4 28 5.7 5 30 5.5 5 31 5.2 5 33
5 5 34 4.8 5 35 4.6 6 37 4.5 6 38 4.3 6 39 4.2 6 40
4 6 42 3.9 7 43 3.8 7 45 3.7 7 46 3.6 7 47 3.5 7 48 3.4 8 50
* NFPA-13 Allowable leak rate.
** NFPA-25 Allowable leak rate.
*** Allowable leak rate for TYCO Nitrogen Generators. Higher leak rates may reduce the service life of
the nitrogen generator.
TFP1273 Page 12 of 80