Valve Repair & Overhauling

Valve Maintenance Shop

 

Street 25 Salwa Industrial Area Service Center

 

Covered area  = 600 m2, 10T overhead crane, We can service isolation valves

DOPET Valve Workshop Inside View

  

Ras Laffan (RLIC) Service Centre

 

In partnership with Emerson : Covered area = 500 m2, 8T overhead crane.

RLIC Service Center

 

 

DOPET has specialized valve repair shop for repairing all types of valves

 

TYPE OF VALVE PRESSURE CLASS-SIZE TYPE OF VALVE PRESSURE CLASS-SIZE
Ball Valve, Gate Valve
Globe Valve, Check Valve
Choke Valve
Butterfly Valve
Needle Valves
Control Valve
ESDV, SDV, MOV, Hyd. op
Dual Plate Check Valve
DBB, Penstock, ACV
150# to 2500# up to 42”
150# to 2500# up to 24”
150# to 2500# up to 12”
150# to 2500#up to 60”
Up to 10000PsiG
150# to 2500# up to 36”
150# to 2500# up to 42”
150# to 2500#
Any size
Conventional SRV
SRV with Bellows
Pilot Operated SRV
Pilot Op Vacuum Valve
PCV
Tank Valves
PVRV
Size: Up to 18”
Size: Up to 18”
Size: Up to 18”
Size: Up to 24”
Any Size
Size: Up to 24”
Size: Up to 24”
Up to 10000Psig In Water
Up to 5000Psig

 

DOPET Workshop is well equipped to carry out following activities.

  • Dismantling and cleaning of valves
  • Visual and dimensional inspection
  • HP water jetting
  • Machining and lapping
  • Grit blasting / Spray painting
  • Lathe and boring machines
  • Valve Grinding and lapping machines
  • Assembling and pressure testing
  • Hydro test pumps and chart recorders
  • Gas boosters and Rota meters
  • Control valve and PSV testing machines
  • Calibration of Control Valve Positioners
  • Online PSV Calibration (In-site testing machine)
  • Portable lapping/grinding Machine
  • Offshore & Onshore mobilization of valve technician
  • Hydrostatic testing of Fabricated Spools & vessels
  • Final painting

 

OVERHAULING OF ACTUATED VALVES

CV Calibration by using HART

 

Testing of ESDV Valve

 

Valve Leak Testing in Progress

 

Dismantling of Actuator

 

OVERHAULING OF MECHANICAL VALVES

Ball Valve Dismantled

 

64” BFV Testing

 

OVERHAULING & TESTING OF PSV’s

Dismantling of Valve

 

Measure and Record details

 

PSV Testing on Computerized Machine

 

RAS LAFFAN SERVICE CENTER

Computerized Testing Control/Stop Valves

 

Inside View with Crane

 

Lathe Machine

 

RV Computerized Testing

 

PORTABLE SITE WORKSHOP

Computerized Test Set Up

 

Mobile Workshop

 

Mobile WS with Crane

 

Online PSV/RV Test Facility

  • It is compact in size. Very easy to carry to work at height
  • Mounting on the valve is very comfortable without disturbing the Set pressure
  • Set pressure verified online without stopping the process
  • Operating Limits 0.01KN TO 50 KN
  • It suits to all manufacturer and any size of RVs

Online PSV Test