The top-entry, gear-operated ball valve with a flange connection is specifically designed for seamless operation in high-pressure environments. Featuring a top-entry design, this valve allows for easy access to internal components, enabling maintenance and part replacement without the need to remove the valve from the pipeline. This structure minimizes downtime and ensures long-term efficient operation. Additionally, the valve employs a gear operation mechanism, which ensures smooth and controlled operation even in harsh conditions.
● Top Entry Design: This feature facilitates easy maintenance and component replacement without the need to remove the valve from the pipe, thereby decreasing downtime and enhancing maintainability.
● Gear Operating Mechanism: This mechanism guarantees smooth, controlled operation with minimal torque and ensures reliable performance, even in high-pressure environments.
● Fireproof and Self-Pressurized Seats: These seats are equipped with leak prevention features that safeguard the system when pressure increases.
| Part | Material |
| Valve body | WCB,A105 |
| Shaft | 420,410 |
| Disc | Nitriding steel, wear-resistant steel |
| Seat | Nitriding steel, wear-resistant steel |
| Bearing | Aluminum - bronze |
| Packing | PTFE,Flexible graphite |
Main Dimensions
| PN(MPa) | DN(mm) | Size (mm) | |||||||||||
| d1 | L | D | D1 | D2 | D6 | f | f2 | b | Z-φd | H1 | H2 | ||
| 1.6 | 25 | 25 | 150 | 115 | 85 | 65 | - | 2 | - | 14 | 44 | - | 75 |
| 32 | 32 | 165 | 135 | 100 | 78 | - | 2 | - | 16 | 48 | - | 105 | |
| 40 | 40 | 180 | 145 | 110 | 85 | - | 3 | - | 16 | 48 | - | 95 | |
| 50 | 50 | 200 | 160 | 125 | 100 | - | 3 | - | 16 | 48 | - | 107 | |
| 65 | 65 | 220 | 180 | 145 | 120 | - | 3 | - | 18 | 48 | - | 142 | |
| 80 | 80 | 250 | 195 | 160 | 135 | - | 3 | - | 20 | 88 | - | 152 | |
| 100 | 100 | 280 | 215 | 180 | 155 | - | 3 | - | 20 | 88 | - | 178 | |
| 125 | 125 | 320 | 245 | 210 | 185 | - | 3 | - | 22 | 88 | - | 252 | |
| 150 | 150 | 360 | 280 | 240 | 210 | - | 3 | - | 24 | 8-23 | - | 272 | |
| 200 | 200 | 400 | 335 | 295 | 265 | - | 3 | - | 26 | 12-23 | - | 342 | |
| 2.5 | 25 | 25 | 150 | 115 | 85 | 65 | - | 2 | - | 16 | 44 | - | 75 |
| 32 | 32 | 165 | 135 | 100 | 78 | - | 2 | - | 18 | 48 | - | 85 | |
| 40 | 40 | 180 | 145 | 110 | 85 | - | 3 | - | 18 | 48 | - | 95 | |
| 50 | 50 | 200 | 160 | 125 | 100 | - | 3 | - | 20 | 48 | - | 107 | |
| 65 | 65 | 220 | 180 | 145 | 120 | - | 3 | - | 22 | 88 | - | 142 | |
| 80 | 80 | 250 | 195 | 160 | 135 | - | 3 | - | 24 | 88 | - | 152 | |
| 100 | 100 | 280 | 230 | 190 | 160 | - | 3 | - | 28 | 8-23 | - | 178 | |
| 125 | 125 | 320 | 270 | 220 | 188 | - | 3 | - | 30 | 8-25 | - | 252 | |
| 150 | 150 | 360 | 300 | 250 | 218 | - | 3 | - | 34 | 8-25 | - | 272 | |
| 200 | 200 | 400 | 360 | 310 | 278 | - | 3 | - | 34 | 12-25 | - | 342 | |
| 4.0 | 25 | 25 | 150 | 115 | 85 | 65 | 58 | 2 | 4 | 16 | 44 | - | 75 |
| 32 | 32 | 180 | 135 | 100 | 78 | 66 | 2 | 4 | 18 | 48 | - | 107 | |
| 40 | 40 | 200 | 145 | 110 | 85 | 76 | 3 | 4 | 18 | 48 | - | 95 | |
| 50 | 50 | 220 | 160 | 125 | 100 | 88 | 3 | 4 | 20 | 48 | - | 107 | |
| 65 | 65 | 250 | 180 | 145 | 120 | 110 | 3 | 4 | 22 | 88 | - | 142 | |
| 80 | 80 | 280 | 195 | 160 | 135 | 121 | 3 | 4 | 22 | 88 | - | 152 | |
| 100 | 100 | 320 | 230 | 190 | 160 | 150 | 3 | 4.5 | 24 | 8-23 | - | 178 | |
| 125 | 125 | 400 | 270 | 220 | 188 | 176 | 3 | 4.5 | 28 | 8-25 | - | 252 | |
| 150 | 150 | 400 | 300 | 250 | 218 | 204 | 3 | 4.5 | 30 | 8-25 | - | 272 | |
| 200 | 200 | 502 | 375 | 320 | 282 | 260 | 3 | 4.5 | 38 | 12-30 | - | 342 | |
| PN(Mpa) | 0.6 | 1.0 | 1.6 | 2.5 | 4.0 |
| DN(mm) | 40-600 | 40-600 | 40-600 | 40-600 | 40-600 |
| Sealing test pressure(Mpa) | 0.66 | 1.1 | 1.76 | 2.75 | 4.4 |
| Body test pressure(Mpa) | 0.9 | 1.5 | 2.4 | 3.75 | 6.0 |
| Working temperature(ºC) | -29~300,-29~425,-29~540 | ||||
| Medium | Liquids like seawater, sewage, acid and alkali or slurry, steam, gas, oil, mud, ash etc. | ||||
| Operation | Handwheel, electric, pneumatic | ||||
| Connection | Flanged, wafer | ||||
| Installation | Vertical and horizontal | ||||
Q:What is the advantage of the top-entry design?
The top-entry design allows for in-line servicing, meaning internal parts can be accessed and replaced without having to remove the valve from the pipeline, significantly reducing maintenance time.
Q:Is this valve suitable for high-demand or critical applications?
Yes, the valve features firesafe design, double block and bleed (DBB) functionality, and self-relieving seats, making it ideal for critical and high-demand applications.
Q:How does the gear-operated mechanism benefit this valve?
The gear-operated mechanism enables precise and easy control of fluid flow, making it suitable for high-pressure systems where consistent operation is essential.
The Top-Entry Gear-Operated Trunnion Ball Valve with Flanged Connections boasts a robust design, easy maintenance, and secure fluid control, making it the ideal choice for demanding pipeline systems. Its top-entry construction simplifies servicing, while the gear-operated mechanism ensures smooth operation in high-pressure environments. We provide professional pre-sales consultation and after-sales support to ensure you select the perfect solution for your specific application. Our dedication to high-quality products and exceptional customer service guarantees your satisfaction at every step, from selection to operation.
