Testing Procedures
Simulated Leak Test - 4 Step Test
9
f.
Follow this column down until it intersects with the ‘Pump Operating Pressure’ which was observed in
Step 1c. Record this value (sample chart is provided at the back of this document).
.
Figure 4. FXT selector valve
.
Table 1. Test Leak Rate Selections
Pump
Operating
Pressure
Equivalent Leak Rates at 10 psi
Flow Rates to set at Pump Pressure
3 GPH
4 GPH
5 GPH
6 GPH
7 GPH
8 GPH
9 GPH
10 GPH
20
4.2
5.7
7.1
8.5
9.9
11.3
12.7
14.1
22
4.4
5.9
7.4
8.9
10.4
11.9
13.3
14.8
24
4.6
6.2
7.7
9.3
10.8
12.4
13.9
15.5
26
4.8
6.4
8.1
9.7
11.3
12.9
14.5
16.1
28
5.0
6.7
8.4
10.0
11.7
13.4
15.1
16.7
30
5.2
6.9
8.7
10.4
12.1
13.9
15.6
17.3
32
5.4
7.2
8.9
10.7
12.5
14.3
16.1
17.9
34
5.5
7.4
9.2
11.1
12.9
14.8
16.6
18.4
LINE
PRESSURE
30
30
2
0
20
1
0
1
0
10
0
4
0
50
60
B
L
A
C
K
ORANGE
VENT
LEAK
TEST
PRESSURE
RELIEF
SELECTOR VALVE
PUMP/LINE
PRESSURE
LEAK RATE
FLOW METER
VALVE
DO NOT OVER
TIGHTEN VALVE
GPH
25
20
15
10
10
15
20
5
1
0
0
1
5
GPH
G
A
S
O
L
I
N
E
D
I
E
S
E
L
Selector Valve
