Top Entry Ball Valve Collection
- In-line repairable
- Full bore design
- Anti-corrosion body
- Fire-safe API607
- Double piston seats
- Low operating torque
- Blowout-resistant stem
- High-pressure rating
- ISO flange standards
- Long service life
Main functions and technical parameters of the product
MeiDe Valve produces Top Entry Ball Valve Designed for easy maintenance, this API 607-certified top entry ball valve features a fully enclosed 316L spiral-wound graphite gasket (1.8g/cm³ density) ensuring zero fugitive emissions. Key advantages:
- Dual Sealing System: PTFE soft seal (-50°C~200°C) + Stellite 21 hard seal (HRC 48-52)
- API 622 Live Loading: ≤50ppm leakage via Belleville spring compensation (0.25mm wear)
- Fire-Safe Design: Post-650°C/30min fire test leakage <100ppm (API 607 Annex B)
- NACE MR0175 Compliance: Hâ‚‚S-resistant for sour gas pipelines
- Quick Maintenance: Top-access design reduces 70% downtime during seat/ball replacement
- Certified to ASME B16.34 Class 2500, ideal for wellheads, chemical plants, and high-PT systems.
| Size Range | 2″-48″(50mm-1200mm) | Body Material | CarbonSteel,StainlessSteel,Copper Alloy,alloy steel,etc |
| Temperature Range | -196 to 425Â degree | Stem Material | Staniless Steel |
| Pressure Ratings | Class 150 to Class 2500,PN 2.5 to PN420,10K-20K | Shutoff Rating | Zero Leakage |
| TrimMaterial | CarbonSteel,StainlessSteel,CopperAlloy,alloy steel,etc | End connection | FLNG( RF, RTJ), BW, SW, NPT |
| Design Standard | API6D,API608,EN1983,ISO17292,GOST | Flange Standard | Â EN 1092-1,ASME B16.5,GOST 33259 |
| Testing Standard | API598,EN12266-1,ISO 5208 | Certifications | API6D,CE,EAC,SIL3,ISO 19001,API 607,API 6FA |
| Face to Face | API6D,ISO5752,ASMEB16.10,EN558-1 | Fugitive Emissions | ISO 158484-1 |
| Operation | Wench,Worm Gear, Electric, Pneumatic,etc | Seat Material | NYLON,PTFE,RPTFE,PCTFE,DEVLON,PEEK,etc(SoftSeat)coating STL,TCC,NI55,NI60,etc(Metal Seat) |