Oil & Gas Precision Parts Machining
Valve internals, flanges, pump parts — precision machining for GCC and global oil & gas supply chains
Oil & gas parts face extreme conditions — high temperature, high pressure, corrosive media, sour gas, seawater immersion. Valve seal integrity, flange dimensional accuracy, pump corrosion resistance — any failure means downtime at best, casualties at worst. We've worked with SUS316L, Duplex, Super Duplex, Inconel, and other corrosion-resistant difficult alloys for years. We support OEM supply chains for European/American valve brands (Cameron, Emerson, Flowserve, KSB) and procurement requirements from Middle East EPC contractors and NOC distributors.
Why Weiyon for Oil & Gas Parts
Typical Parts
- Valve internals: seat, disc, stem, bonnet, ball, gate
- Flanges: raised face, ring type joint (RTJ), blind flange
- Pipe fittings, instrument fittings, ferrule fittings
- Pump parts: shafts, impellers, mechanical seal seats, sleeves
- Christmas tree fittings, wellhead peripherals
- Fasteners: high-strength bolts and nuts (B7 / 2H, B16 / 4 etc.)
Compatible Materials
- SUS316 / SUS316L (chloride corrosion resistance, top choice for offshore oil & gas)
- Duplex S31803 / Super Duplex S32750 (sour service, seawater)
- Inconel 625 / 718 (high-temp, sour gas environments)
- Monel 400 (strong acid resistance, oil & gas processing contact)
- F22 / F11 low-alloy steel (pressure valves, fittings)
Quality & Standards
- Tolerance: per customer drawing specification
- Mill Test Certificates (full traceability)
- Compatible with API 6A, API 6D, NORSOK M-650 customer requirements
- FAI / PPAP reports (per customer specification)
- PED 2014/68/EU European pressure equipment directive integration
Precision processes commonly used in this industry
CNC Milling
Machining centers, CNC mills, gantry mills
CNC Turning
CNC lathes, automatic lathes, conventional lathes
Precision EDM
Wire-cut, sinker EDM, micro-hole EDM (via partner network)
Sheet Metal Fabrication
Laser cutting, turret punch, press, bending, rolling (via partner network)
Surface Treatment
Heat treatment, plating, anodizing, painting, polishing, sandblasting (via partner network)
Is your part within our service scope?
Send a drawing or describe your needs — we'll respond within 1-2 business days.