The Top Entry Ball Valve is a uniquely designed ball valve characterized by its integral body structure, allowing all internal components such as the ball, seats, and stem to be assembled and disassembled from the top of the valve body without removing the entire valve from the pipeline. This "top entry" design significantly simplifies in-line maintenance and part replacement procedures, saving considerable time and reducing downtime and maintenance costs. It boasts a compact structure and reliable performance, making it particularly suitable for applications in oil & gas, chemical, power generation, and other industries that demand continuous operation and high safety standards.
Main Performance Specification
| Item Name (English) | Parameter Range |
|---|---|
| Nominal Diameter | DN50 ~ DN1500 (2" ~ 60") |
| Nominal Pressure | PN16 ~ PN420 (Class 150 ~ 2500) |
| Connection Type | Flanged, BW, SW, Threaded |
| Working Temperature | -196℃ to +200℃ or higher |
| Applicable Media | Water, Oil, Gas, Steam, Acid/Alkaline solutions, LNG, LPG, Liquid H2, Liquid O2, Ethylene, etc. |
Main Components Material
| Part Name (English) | Common Materials |
|---|---|
| Body | Carbon Steel, Stainless Steel, Alloy Steel |
| Ball | Stainless Steel, Alloy Steel |
| Stem | Stainless Steel, Alloy Steel |
| Sealing Material | PTFE, RPTFE, PEEK, Stellite |
| Packing | Flexible Graphite, PTFE |
| Design & Test Standards | API 6D, API 608, ASME B16.34, API 598, ISO 14313, GB/T 12237 |
No drawing available.
