Wellhead Valves and SSV: Repair, Remanufacture and Spare Parts
Scope
Types: Gate Valve, Choke Valve, Check Valve, Plug Valve and Ball Valve
Pressure Rating: 2000, 3000, 5000 & 1000 psi
Temperature Classes: K, L, N, P, S, T, U & V
Material Classes: AA, BB & CC for General Services
DD, EE & FF for Sour Services
Product Specification Level: PSL1, PSL2 & PSL3
Performance Requirements: PR1
Standard
- API 6A
- NACE MR0175
Repair and remanufacture of wellhead valves according to API Recommended Practice 6AR
General Services
- Packings and O-rings Replacement
- Seat and Plug/ Gate Repair, Coating, Lapping or Replacement
- Stem and Ball Repair or Replacement
- Body & Bonnet Build Up by Welding, Machining and Heat Treatment (if necessary).
- Hydrotest according to API 6A
Surface Treatment
- Chrome Plating & ENP
- STELLITE, Hastelloy, Inconel and Tungsten Carbide Coating for Use in Oil, gas and Petrochemical plants
- NOREM Coating for Use in Power Plants
- Coating Processes: TIG, HVOF & PTA
Spare Parts Fabrication
- Gate, Gate Guide & Retainer Plate
- Ball
- Plug
- Stem & Stem Packing
- Seat Ring & Body Bushing
- Seal Ring and Lip Seal
- Spring Wave
SSV Actuator
- Design and simulation
- Sizing
- Manufacturing
- Test according to API 6A
- Repair and remanufacture
