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Section 6: Installation and
Start-Up Procedures
October 2016
Section 6: Installation and Start-Up Procedures
Failure to follow these instructions or to properly install and maintain this equipment could
result in an explosion, fire and/or chemical contamination causing property damage and
personal injury or death.
TESCOM regulators must be installed, operated and maintained in accordance with federal, state
and local codes, rules and regulations .
If the regulator vents gas or a leak develops in the system, service to the unit may be required .
Failure to correct trouble could result in a hazardous condition .
Installation, operation and maintenance procedures performed by unqualified personnel may
result in improper adjustment and unsafe operation . Either condition may result in equipment
damage or personal injury. Call a qualified personnel when installing, operating, and maintaining
the 56-21XX and 56-22XX Series regulator .
Personal injury, equipment damage or leakage due to escaping fluid may result if needle
valves are used to isolate the pressure reducing regulator. It is strongly recommended that
block valves be used to properly isolate the regulator from system.
Personal injury, equipment damage or leakage due to escaping accumulated fluid or bursting of
pressure-containing parts may result if this regulator is:
•
Over-pressured
•
Used with incompatible process fluid
•
Installed where service conditions could exceed the limits given in the specifications section
and on the appropriate nameplate
•
Where conditions exceed any ratings of adjacent piping or piping connections . To avoid such
injury or damage, provide pressure-relieving or pressure-limiting devices to prevent service
conditions from exceeding those limits
Confirm with gauges that there is zero pressure in the system prior to installation:
Note: Refer to the Installation Diagram for additional information .
1 . Re-tighten fittings on assembly as they may have loosened during shipping.
2 . Rotate valve hand knob (B) clockwise until it stops turning. This will close the valve
which will prevent pressurized flow through the regulator/valve assembly.
3 . Close the inlet (C) and outlet (A) block and bleed valves surrounding the regulator and
pressurize the supply side or inlet side of the system .
4 . Install the regulator/valve assembly with the inlet port of regulator (E) connected to
the supply or inlet piping of the system and connect the outlet port to the downstream
piping in the system using plumbing supplier specified torque values.
5 . Slowly open the inlet block valve (C) to apply pressure to the inlet of the 56-2XXX Series
assembly regulator (E).
10
56-21XX and 56-22XX Series
DOPSM2097X012
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