The Top Entry Gear Operated Trunnion Ball Valve with Flanged Connections is engineered for seamless operation in high-pressure environments. Featuring a top-entry design, this valve allows for easy access to the internal components, facilitating maintenance and part replacement without removing the valve from the pipeline. This construction reduces downtime and ensures long-lasting operational efficiency. The valve utilizes a gear-operated mechanism, which provides smooth and controlled operation, even in challenging conditions.
● Top Entry Design: This feature enables easy maintenance and part replacement without the necessity of removing the valve from the pipeline, thereby decreasing downtime and improving serviceability.
● Gear-Operated Mechanism: This mechanism ensures smooth, controlled operation with minimal torque, offering reliable performance even in high-pressure environments.
● Fire-Safe and Self-Relieving Seats: These seats are equipped with features that prevent leaks and safeguard the system in the event of pressure build-up.
| 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 features 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.
