UNITED FIRE SYSTEMS
STANDPIPE-
PAC™ MODEL SSS-101
DESIGN, INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
REVISION 2.00
P/N 10-540101-001
Page 5
2.3.
Determining Proper STANDPIPE-
PAC™ To Use.
See Figure 5.
2.3.1.
Find the desired fill time at the bottom of the graph.
2.3.2.
Find the standpipe internal volume at the left of the graph.
2.3.3.
Determine the intersection of the lines from these two values.
2.3.4.
Choose the next-highest compressor horsepower.
2.3.5.
Determine the P/N of the appropriate
STANDPIPE-
PAC™
from Table 1.
Figure 5
– Estimating Standpipe Fill Time
Estimation of Standpipe Fill Time
Based on Compressor Size - HP