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The Handle Operated Forged Steel Top Entry Ball Valve for Simplified Maintenance offers a maintenance-friendly solution for flow control in medium- and high-pressure systems. Its top-entry configuration allows technicians to access internal components—such as the ball, seats, and seals—without removing the valve from the pipeline. This significantly reduces downtime during service or inspection.
The valve’s manual operation via a handle provides intuitive control and fast response through 90-degree rotation. Its forged steel body and precisely machined internal components ensure a tight seal and consistent flow control. The design includes a split body, allowing for modular construction and flexibility in actuator mounting, especially useful when custom automation setups are required.
● Top-Entry Structure: Enables direct access to internal parts for in-line maintenance, inspection, or replacement—no need to remove the valve from the system.
● Manual Handle Operation: Allows for responsive and precise control using a simple 90-degree turn, ideal for on-site adjustments.
● Split Body & Customizable Bonnet: Supports flexible mounting of actuators or gearboxes without additional brackets.
| Item | Part. Name | Material |
| 1 | Bonnet | PE |
| 2 | Extension pipe | st37 |
| 3 | Body | st37 |
| 4 | Flat washer | st37 |
| 5 | Butterfly Spring | 60Si2MnA |
| 6 | Ball seat | SS202 |
| 7 | O-ring | EPDM |
| 8 | Ball washer | PTFE+20%C |
| 9 | Ball | SS304 |
| 10 | Stem washer | PTFE+20%C |
| 11 | Stem sleeve | st37 |
| 12 | Stem | SS410 |
| 13 | Stem ring | PTFE+20%C |
| 14 | Stem O-ring | FPM |
| 15 | Sleeve | st37 |
| 16 | Positioning PIN | ASTM1035 |
| 17 | Handle | st37 |
| 18 | Washer | Q235A |
| 19 | Nut | Q235A |
| 20 | Handle cap | ABS |
| Type | Nominal pressure(MPa) | Testing pressure | Suitable temperature(°C) | Suitable medium | |
| Strength (water) (MPa) | Enclose (Water) (MPa) | ||||
| Q340 H-16C | 1.6 | 2.4 | 1.76 | -40~200ºC | Water,Vapour,Oil |
| Q340 H-25C | 2.5 | 3.75 | 2.5 | ||
Q: What is the main advantage of a top-entry valve design?
A: The top-entry design allows for maintenance or part replacement without removing the valve from the pipeline—ideal for critical systems where downtime must be minimized.
Q: Is it compliant with any specific industry standards?
A: Yes, it follows API 6D/6A and ASME B16.10 design standards, including features like firesafe design, O-ring sealing, and DBB capability.
Our Handle Operated Forged Steel Top Entry Ball Valve is built with maintenance in mind. The top-entry structure and modular design make servicing straightforward, minimizing disruption during inspection or repair. With features like DBB, self-relieving seats, and fire-safe integrity, this valve delivers dependable control and safety in every rotation. It's the ideal solution for teams seeking both performance and practicality in their pipeline operations.
