Flow Characteristics; Masterstream 1000 & 1250S (Automatic) - Task Force Tips Masterstream Series Instructions For Installation, Operation And Maintenance

4.0

FLOW CHARACTERISTICS

4.1 MASTERSTREAM 1000 & 1250S (AUTOMATIC)
Within its flow range, the Masterstream 1000 and 1250s automatic nozzles operate at the nominal pressure of 100 PSI (7 BAR, 700 kPa).
The following figures show typical performance of this nozzle.
160
140
120
100
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MASTERSTREAM 1000 PERFORMANCE
0 1000 2000
80
60
40
FLOW RANGE
20
0
0 200 400 600
MASTERSTREAM 1250s PERFORMANCE
0 2000
160
140
120
100
80
60
40
20
0
0 200 400 600
3000 4000 5000
800 1000 1200 1400
Figure 4.1A
4000
OPERATING ENVELOPE
PER NFPA 1964
800 1000 1200 1400
Figure 4.1B
8
6000 7000
FLOW (L/MIN)
10
8
6
4
2
0
FLOW (GPM)
1600 1800 2000
FLOW (L/MIN)
6000
10
8
6
4
2
0
1600 FLOW (GPM)
LIM-030 November 16, 2020 Rev15