New
POWER PLANT
Instrument Gas System
The fuel gas shall be used as instrument gas
for the operation of all pneumatic equipment.
The instrument gas system shall
be designed to supply dry gas at constant pressure.
- The instrument gas shall be tapped from the gas
line, at three (2) places, one each at metering skid end,, and
one in the middle for gas-operated sectionalizing valves,
- The instrument gas system shall comprise
of all the necessary components as required by Saudi Aramco standards including
pressure-regulating valves, along with all the necessary piping, valves,
instruments, fully automatic liquid drain system, etc. for safe and reliable
operation of the system.
- Each pneumatic equipment/device shall have a
local filter regulator with a pressure gauge.
- The valves shall conform to the requirements
outlined in the specifications.
- The capacity of the system shall be calculated. However, the reservoir capacity as a minimum shall be
adequate for at least four (4) hours of operation.
- Safety relief valve shall be provided on
reservoir vessel.
- The reservoir vessel shall be designed and
fabricated
The coating and painting of the vessel,
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