Technical Specificaitons
| Size Range NPS 1/2:"-10" DN 15-DN 250 Floating type NPS12"-64" DN300-1600 Trunnion Mounted | Main Material |
| Temperature Rating | Stem Material |
| Pressure Rating 1.0Mpa ~ 42.OMpa 150LB ~ 2500LB | Leakage Level Zero Leakage |
| Ball Material Carbon Steel,Stainless steel etc. | |
| Seat Material Soft SeatPTFE, RPTFE, PCTFE, NYLON, DEVLON, PEEK, etc | Body style BW Flanged |
| Design Standard API 6D | Test Standard API 6D |
| Face to FaceAPI 6D, ISO 5752, ASME B16.10, EN558-1 | Operation Wrench, Worm Gear, Electric, Pneumatic, etc |
| Application Fully welded ball valves serve oil/gas pipelines, city gas, heating, petrochemicals, power, hydrogen, and subsea. Welded body eliminates external leakage—critical for hazardous media. Forged construction provides strength; compact design suits burial. Maintenance free, lowering costs. Sizes NPS 256, Class 2500, 46°C to 190°C. Seats: PTFE or metal. Meet API 6D, fire safe, and low emission standards. |
| Other The carefully selected materials and contemporary design make our ball valve highly recognized. If our ball Valve cannot meet your choice, we can provide you with special made. |
Chief Feature
The chief feature of a fully welded ball valve is its one piece welded body construction. Unlike traditional bolted designs, this structure eliminates all external leak paths, achieving virtually zero external leakage. The welded body also provides superior mechanical strength, enabling the valve to withstand pipeline stress, internal pressure, and ground settlement.
Key advantages include a compact, lightweight design, reliable operation, and long term maintenance free service. Advanced sealing systems—often using PTFE or similar materials—ensure bidirectional zero leakage. Safety features such as fire safe design, anti static devices, and automatic cavity pressure relief are standard. Many models incorporate double block and bleed (DBB) functionality and allow direct burial installation, which reduces construction costs. Overall, the fully welded ball valve delivers unmatched reliability, safety, and cost effectiveness for demanding pipeline applications.
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