INDIVIDUAL TESTING OF DUAL REGULATORS
If regulator test indicates that one or both regulators in a pair may
be malfunctioning, each regulator in that pair must be tested indi-
vidually as follows:
1. Check pressure of each nitrogen cylinder as detailed on
Page 2.
2. Disconnect low pressure hoses from both regulators being
tested. See Figure 4.
3. Install appropriate quick-connect plug in outlet of Regulator
No. 1.
4. Connect test assembly to quick-connect plug using quick-
connect test hose provided with kit.
5. Install pipe plug in outlet of Regulator No. 2.
FIGURE 4
002697
NOTICE
If test gauge reading exceeds maximum
regulator pressure (Table 3) when nitrogen
cylinder valve is opened, immediately
open test kit control valve and close nitro-
gen cylinder valve. Gauge readings in
excess of maximum regulator pressure
indicate a malfunctioning regulator.
6. Make certain test kit valve is closed.
7. Using handwheel, slowly open nitrogen cylinder valve while
observing test gauge.
8. With nitrogen cylinder valve fully open for one minute, observe
test gauge pressure. The test kit gauge must read as follows:
Acceptable Pressure Range
Regulator
Minimum
Maximum
Model
Part No.
psi
(bar)
psi (bar)
________
_______
_________
_________
Rego
14796/14797
210
(14.5)
230
(15.9)
Rego
19821 or
65
(4.5)
85
(5.9)
(Subsurface) 16123/16124
TABLE 3
9. Observe test kit gauge while opening test kit valve for 2 – 3
seconds. (In order to conserve nitrogen, this test should not
exceed 3 seconds.) The test kit gauge must read as follows:
Minimum Required
Regulator
Flow Pressure
Model
Part No.
psi
(bar)
________
_______
________________
Rego
14796/14797
140
(9.7)
Rego
19821 or
45
(3.1)
(Subsurface) 16123/16124
TABLE 4
10. Close nitrogen cylinder valve and open test kit valve to relieve
remaining pressure.
11. Remove pipe plug from outlet of Regulator No. 2.
12. Remove test kit, quick-connect hose, and quick-connect plug
from Regulator No.1 and install in outlet of Regulator No. 2.
13. Install pipe plug in outlet of Regulator No. 1.
14. Repeat Steps 6 through 10 to test Regulator No. 2.
15. Remove test kit, quick-connect hose, and quick-connect plug
from outlet of Regulator No. 2.
16. Remove pipe plug from outlet of Regulator No. 1.
17. Replace regulator that is malfunctioning.
18. Reconnect low pressure nitrogen hoses to regulator outlets.
Wrench tighten snugly; do not overtighten.
19. Return system to normal operating condition by performing
Post-Test Procedures on Page 5.
REGULATOR TEST
Page 4
8-1-11
REV. 2
TEST KIT
DUAL REGULATORS
REMOVE
HOSE
REMOVE
HOSE
QUICK-CONNECT
HOSE
QUICK-CONNECT
PLUG
PIPE
PLUG
Содержание ANSUL PS-1000
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