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Fully welded ball valve, the valve is composed of three independent forged parts that are welded together to form a single unit, ensuring that the ball valve is connected to the valve body without leakage under allowable working conditions. The product is mainly used in natural gas, petroleum, water and other media, suitable for pipeline use in residential heating, urban gas, petrochemicals, steel, shipbuilding, metallurgy, power stations, pressure regulating stations and other industries.
Product Size
| DN | PN | L | R | D | G1 | G2 | H | h | t | s | KG |
| 40 | 25 | 260 | 3 | 32 | 76.1 | 48.3 | 120 | 70 | 5 | 170 | 3.02 |
| 50 | 25 | 300 | 3.5 | 40 | 88.9 | 60.3 | 124 | 70 | 4 | 170 | 4.1 |
Stem Torque
| DN | 40 | 50 |
| Torque/.MI | 35 | 50 |
Design Specifications
1.design&mfr.std.:GB/T12237-2021
2.face to face std.:JIS2002-2018
3.others std.:GB/T12224-2015
4.inspection&test std.:JB/T 9092-1999
5.flange std.:JIS B2214-1999
Bill of Material
| No. | Name | Material | No. | Name | Material |
| 1 | Body Pipe | 20# | 10 | Bearing | Mild steel+PTFE |
| 2 | Side Pipe | 20# | 11 | Branch Pipe | 20# |
| 3 | Ball | 304 | 12 | Stem O-ring | FKM |
| 4 | Seat | PTFE+C | 13 | Gasket | PTFE+C |
| 5 | Seat O-ring | FKM | 14 | Packing Gland | 20# |
| 6 | Support Spring | 50CrV4 | 15 | Stop ring | 65Mn |
| 7 | Disc Spring | 50CrV4 | 16 | Handle Lever | 201 |
| 8 | Stem | 2Cr13 | 17 | Spring Washer | 201 |
| 9 | Thrust Washer | PTFE+C | 18 | Cap Nut | 201 |
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If you have any questions or suggestions about the product, or if you want to know more, you can contact us at any time.
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