MeiDe Valve: API-Certified Industrial Valve Manufacturer in Wenzhou, China
As a trusted ISO 9001-compliant valve factory, MeiDe Valve specializes in precision-engineered ball valves, gate valves,globe valves,butterfly valves,control valves and check valves for oil & gas, petrochemical, and power generation sectors. Our API 600/6D-certified products undergo rigorous NDT testing (RT/PT/MPI/PMI) with EN 10204 3.1 inspection certificates.
Core Competencies:
✔ Advanced Manufacturing – CNC machining centers ensure ±0.01mm dimensional accuracy for valve components
✔ Global Compliance – Full QA system covering material traceability to final pressure testing
✔ Flexible Supply – Cost-competitive stock valves for distributors + custom-engineered solutions for EPCs
✔ Technical Support – On-site installation guidance and emergency shut-off valve maintenance
Flagship Products:
• API 600 Cast Steel Gate Valves (150LB-2500LB)
• ASME B16.34 Globe Valves with SW/FL/Wafer Ends
• API 6D Trunnion Ball Valves (150LB-2500LB)
• BS 1818 Swing Check Valves for Steam Systems
Better Compliance
Our valve configuration process initiates with flow dynamics analysis using 3D fluid simulation software, capturing precise media viscosity parameters and thermal expansion coefficients.Material selection adheres to ASME B16.34 wall thickness calculations, with production workflows certified to API 6D Clause 8.3 and BS 1873 pressure envelope specifications. Final assemblies undergo API 598 Seat Leakage Class VI verification through automated test rigs.
Service
Product integrity requires lifecycle technical support. Our ISO 9001-certified service team executes:
Phase 1: Technical Onboarding
• Flow control schematic reviews with 3D modeling demonstrations
• Material traceability dossiers per EN 10204 3.2 certification
• Comparative analysis of gate/globe/check valve configurations
Phase 2: Production Monitoring
Biweekly production audits:
ASME B16.25 weld preparation visual records
Pressure boundary machining tolerance reports
API 6D closure test video documentation
Phase 3: Delivery Preparation
Documentation protocols:
✓ API 6D Section 8.9-compliant test certificates
✓ NACE MR0175 material compliance declarations
✓ EN 10204 3.2 inspection certificates
Valve Quality Control
1.Fluid Dynamics Profiling
Execute API 6D Clause 8.2 process media analysis, mapping temperature-pressure-viscosity matrices via 3D CFD simulations.
2.Failure-Mode Engineered Design
Integrate ASME B16.34 pressure envelope calculations with NACE MR0175 sulfide stress cracking resistance.
3.Material Authentication
• Castings: ASTM A216 WCB X-ray graded
• Forgings: ASTM A105 HB187-229 hardness verified
• Seal layers: ERNiCrMo-3 overlay PMI-tested
4.Precision Fabrication
5-axis CNC machining (API 6D dimensional tolerances)
Surface grinding to Ra0.4μm mirror finish
595°C post-weld heat treatment
5.Process Compliance
→ Raw material: SGS chemical composition reports
→ Welding: ASME IX qualified procedures + 100% RT
→ Assembly: API 598 leakage Class VI certification
6.Shipment Validation
• Hydrostatic test: 1.5×PN @30min (ASME B16.34)
• Gas test: Helium mass spectrometer detection
• Torque curves archived per API 6D 8.9.3
7.Continuous Advancement
Quarterly ASME BPVC case reviews
Annual API 607 fire test upgrades