56-21XX and 56-22XX Series
DOPSM2097X012
11
Section 6: Installation and
Start-Up Procedures
October 2016
6 .
Verify the regulator’s inlet pressure (F).
7 .
Slowly open the Valve hand knob (B) to apply pressure to the regulator/valve assembly.
8 .
For 56-21XX Series only, slowly turn the bleed plug (D) approximately 1/4 turn
counterclockwise to vent any entrapped air . Tightly close plug after all air is evacuated .
9 .
Slowly open the outlet block valve (A) to allow pressurized flow through the system.
10 .
Verify the regulator/valve assembly’s outlet pressure (G) to determine if there is any
leakage . If there is any leakage, remove the 56-2XXX Series assembly for inspection and
repair . If no leakage occurs move on to Step 11 .
11 .
Check the Bleed Plug (D) for any sign of liquid leakage. If leakage occurs remove
56 Series regulator for inspection and repair . If no leakage occurs move on to step 12 .
12 .
Verify and record flow rate and pressure over time.
13 .
Adjust valve (B) by turning the hand knob to the desired orifice size until desired flow
rate is achieved .
14 .
Following any adjustment to valve (B), verify and record flow rate and pressure
over time .
Summary of Contents for 56-2100
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