Valve and Mechanical Services

Denholm Zholdas provides a wide range of mechanical and valve services specifically tailored to suit the unique requirements of each customer.

Our service portfolio covers the entire life cycle of a valve from commissioning support and planned/breakdown maintenance to decommissioning and replacement.

Denholm Zholdas offer the following key services:

  • Repair, testing and calibration of all types of valves, including safety, control and isolation
  • Database valve tracking
  • Dual language certification
  • Nitrogen testing up to 650 bar
  • Hydraulic testing up to 800 bar
  • Maintenance support, planning, repair and calibration service
  • Shutdown/Turnaround support, repair and calibration service
  • Onsite repair specialists, to reduce plant down time
  • Self contained site valve repair and calibration workshops
  • Procurement service and replacement parts/accessories sourcing via third party contractors
  • Bolting and tensioning including P1 blinding
  • Catalyst handling: loading and unloading activities
  • Bundle pulling

With a full range of leak sealing services, Denholm Zholdas also provide on site emergency response teams.


Denholm Zholdas

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