Preventive maintenance of a gas train reduces the risk of failure and helps maintain stable pressures and safety functions.
Filter
The differential pressure and the condition of the filter element are checked.
Regulator
Inlet and outlet pressure, droop, lock-up, and any hunting are recorded.
Impulse and pilot lines
These are checked for leaks, blockages, condensate, and proper connection.
Slam-shut and relief
Setpoints and their intended operation are verified in accordance with the facility's procedures.
Vent lines
These are checked for clear passage and safe termination.
Documentation
All measurements and interventions are documented to maintain a history and detect gradual deviations.
