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  • 413 Race Course Tower, Race Course Circle, Vadodara – 390007, Gujarat , India.
  • Have a Question Call Now +91 265-2310416 / 2314932

After Sales Support – Site services

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Spectrum of Tehnical Services:
    • Our experts are trained specially and familiar with all functional part of Natural Gas Pressure Regulating and metering skid equipments in Gas IPRS / MRS / DPRS etc.
    • We undertake Maintenance contracts, which relieve our customers and guarantee that the maintenance work will be carried away during predefined time period irrespective of the problem noticed or where ever the problem reported.
    • We stock all necessary emergency spares to support our esteemed customers.
    • Our service dept is able to carry out maintenance works and repairs as well as conversions on site. Completed work can be tested fully functionally as per IGE requirements.
    • We have our service vehicles, fully equipped with all necessary tools and equipments to normalize the equipments in shortest time, cost effectively.
    • We have our test set up in the workshop to carry out the pressure and flow test for regulators, safety valves and slam shut valves.
    • We do carry out the calibration of the custody transfer meter / flow computers at site / or at our workshop. This includes the PT/DPT/TT routine calibration for orifice type metering
Persons required to carry out maintenance work:
  • Skilled person
    • A fully trained person, knowing the functionality of the Natural gas Pressure Regulating and metering modules, Bechlor of engineering and diploma engineers fully trained on Nirmal’s equipments.
  • Semi Skilled Persons
    • A fully trained on repairs jobs on Valves and knowing the safety rules work under skilled persons.
Various tasks to be carried out on Gas Stations:
  • Visual Checking
  • Inspection
  • Functional tests
  • Servicing and Repairs
  • Re commissioning
  • Operation of Bypass and stanby lines

To carry out above functions skilled and semiskilled persons are required.

Tasks with functional tests and servicing carried out by our team during the service contracts:
  Component   Functional Test   Maintenance  
 
Filter / KOD
 
External leakage test
Check of control instrumentations like DPG/DPT/LS/LT
 
Cleaning or replacement of filter elements
Cleaning of pressure vessel / replacement of damaged parts
Internal test and strength tests
 
 
Heat Exhanger
 
External leakage test
 
Cleaning of pressure vessel / replacement of damaged parts
Internal test and strength tests
 
  Component   Functional Test   Maintenance  
 
Slam Shut Off Valve ( SSV)
 
External leakages at
operating pressure
Checking of Set point for
UPSO and OPSO pilots.
Check of leak tightness of
the seat.
Full functional test
 
Dismantling of the valves and check all the components.
Cleaning of the valve body and parts.
Replacement of the necessary spares
Full functional test and resetting of the requested set points.
 
 
Creep Relief Valves ( CRV)
 
External leakages at
operating pressure
Check of leak tightness of
the seat.
Full functional test
 
Dismantling of the valves and check all the components.
Cleaning of the valve body and parts.
Replacement of the necessary spares
Full functional test and resetting of the requested set points.
 
  Component   Functional Test   Maintenance  
     
External leakages at
operating pressure
Checking of Set point for Active and monitors for active and standby streams.
Check of leak tightness of
the seat.
Full functional test
 
Dismantling of the valves and check all the components.
Cleaning of the valve body and parts.
Replacement of the necessary spares
Full functional test and resetting of the requested set points.
 
  Component   Functional Test   Maintenance  
 
Ball valves
 
Check Position and free
movement
Check of internal and
external leak tightness
 
According to Manufacturer standards
 
 
Gate valves
 
Check Position and free
movement
Check of internal and
external leak tightness
 
According to Manufacturer standards
 
  Component   Functional Test   Maintenance  
     
Check of calibration
Check zero and working /limit values
 
Calibration according to manufacturer recommendations.
 
  Component   Functional Test   Maintenance  
     
Calibration help can be provided as per industry standards.
 
Industry standards
Pressure and Temp Calibration.
Check on the parameters as per AGA requirements/ NX-19
 
  Component   Functional Test   Maintenance  
     
Seat Leak tightness check
 
Mfr standard
Checking the soft Disc / metal surface for damages, replace / repair the same.
 
  Component   Functional Test   Maintenance  
     
Functional check / stroke
checks
Fail condition checks
 
Calibration of I to P , Positioner and strokes of the valves.
Leak tightness check
 
  Component   Functional Test   Maintenance  
     
Shut down can be checked
with bypass valve open / by
few turns of the valve and
resetting the same.
Checks of SOV and all
accessories
 
Actuator stroke at designed air pressure
Seat Leak tightness check
Replacement of seat / gland etc if required
Sealant injection etc.