Hale MBP Booster - Manual (Page 51)

❑ Preventive Maintenance
50 Silencer Series Booster Pump, p/n: 029-0020-83-0
Performance Testing Overview
The yearly standard performance test consists of checking the pump
(according to its rating) at three capacities and comparing the results to
when the pump was first placed in service. This provides some measure of
any performance deterioration. (See Figure 4-5: “Pump Ratings (GMP/
LPM),” on page 50.)
A pump must be able to pump FULL capacity at 150 PSI, 70% capacity at
200 PSI and 50% capacity at 250 PSI.
Figure 4-5: Pump Ratings (GMP/LPM)
Performance Testing Equipment and Materials
To accurately test pumper performance, requires a Pitot gauge, a calibrated
pressure gauge, and a vacuum gauge or manometer.
All gauges must be carefully tested for accuracy. Testing is appropriately
accomplished with a certified dead weight gauge tester.
Use smooth bore test nozzles of accurate size with the Pitot Gauge, or
other suitable measuring device. The volume pumped is then determined
by referring to the discharge tables for smooth nozzles. Preferably, nozzles
are used on a deluge gun for greatest accuracy. A stream straightener, just
upstream of the nozzle, is advisable.
REFER TO LOCAL PROCEDURES FOR PUMP TESTING PROCEDURES
AND PRACTICES AS WELL AS APPLICABLE NFPA STANDARDS.
For Pitot Gauge accuracy, the nozzle pressures should be between 30 and
85 PSIG (2.1 and 6.0 BAR). (See Table 4-6: “Nozzle Flow and Pressure
Ratings, Part 1,” on page 52.) Also see Table 4-7: “Nozzle Flow and Pres-
sure Ratings, Part 2” on page 53.
Capacity
Pressure
PSI (BAR)
Pump Rating in GPM (LPM)
250
(946)
350
(1,325)
450
(1,703)
500
(1,893)
750
(2,893)
1,000
(3,785)
FULL 150 (10)
250
(946)
350
(1,325)
450
(1,703)
500
(1,893)
750
(2,839)
1,000
(3,785)
70% 200 (14)
150
(568)
245
(927)
315
(1,192)
350
(1,325)
525
(1,987)
700
(2,650)
50% 250 (17)
125
(473)
175
(663)
225
(852)
250
(946)
375
(1,420)
500
(1,893)