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 | D | G1 | G2 | H | h | t | s |
15 | 40 | 230 | 10 | 33.7 | 21.3 | 113 | 70 | 4 | 115 |
20 | 40 | 230 | 15 | 42.4 | 26.7 | 127 | 70 | 4 | 115 |
25 | 40 | 230 | 20 | 48.3 | 33.7 | 161 | 70 | 5 | 160 |
32 | 40 | 260 | 25 | 60.3 | 42.4 | 166 | 70 | 5 | 160 |
Stem Torque
DN | 15 | 20 | 25 | 32 |
Torque/.MI | 6 | 9 | 12 | 20 |
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 Materials
No. | Name | Material | No. | Name | Material |
1 | Body Pipe | 20# | 11 | Branch Pipe | 20# |
2 | Side Pipe | 20# | 12 | Stem O-ring | FKM |
3 | Ball | 304 | 13 | Gasket | PTFE+C |
4 | Seat | PTFE+C | 14 | Packing Gland | 20# |
5 | Stem O-ring | FKM | 15 | Stop pin | Q235 |
6 | Support Spring | 60Si2Mn | 16 | Handle Lever | 25# |
7 | Disc Spring | 60Si2Mn | 17 | Spring Washer | 201 |
8 | Stem | 2Cr13 | 18 | Cap Nut | 201 |
9 | Thrust Washer | PTFE+C | 19 | Bearing | Mild Steel+PTFE |
10 | Bearing | Mild Steel+PTFE |
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