REGULATOR TEST
With the agent storage tank properly isolated, proper test kit
connected, and fully-charged nitrogen cylinders installed, test the
pressure regulators by completing the following steps:
NOTICE
If test gauge reading exceeds maximum regu-
lator pressure (Table 1) when nitrogen cylinder
valve is opened, immediately open test kit
control valve and close nitrogen cylinder valve.
Gauge readings in excess of maximum regula-
tor pressure indicate a malfunctioning
regulator.
1. Make certain test kit valve is closed.
2. Using handwheel, slowly open nitrogen cylinder valve while
observing test gauge.
NOTICE
For systems equipped with dual regulators,
each nitrogen cylinder is supplying pres-
sure to two regulators. Therefore, both
regulators are being tested simultaneously.
3. 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
14798
210
(14.5)
230
(15.9)
Rego
19821 or
65
(4.5)
85
(5.9)
(Subsurface) 16123/16124
Victor
24232
195
(13.5)
215
(14.8)
Victor
472014
120
(8.3)
130
(9.0)
TABLE 1
4. 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
14798
140
(9.7)
Rego
19821 or
45
(3.1)
(Subsurface) 16123/16124
Victor
24232
140
(9.7)
Victor
472014
90
(6.2)
TABLE 2
5. Close nitrogen cylinder valve and open test kit valve to relieve
remaining pressure.
6. Repeat Steps 1 through 5 for each nitrogen cylinder and
corresponding regulator(s).
7. Disconnect test kit and quick-connect hose from quick-
connect plug. Remove quick-connect plug from regulator
outlet.
When reinstalling safety relief valves into Victor regulators,
turn only inside hex (nearest regulator body). Do not turn
outside hex as pressure relief setting could change.
8. Reinstall pressure relief valve into regulator outlet. Wrench
tighten snugly; do not overtighten. (With Rego regulators,
make certain relief valve gasket is in place.)
9. Systems with One Regulator per Nitrogen Cylinder:
Replace any regulators that are malfunctioning.
Systems with Two Regulators per Nitrogen Cylinder: If
initial test indicates that one or both regulators in a pair may
be malfunctioning, each regulator in that pair must be tested
individually. Complete test on Page 4 for individual testing of
dual regulators.
10. Return system to normal operating condition by performing
Post-Test Procedures on Page 5.
!
CAUTION
REGULATOR TEST
8-1-11 Page 3
REV. 2
Содержание ANSUL PS-1000
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