Three-way Ball Valve
Three-way, four-way and multi-way valves are all multi-way switching valves, which are mainly used for switching and distributing materials and for converging and diverting flows. Jiepei Valve has designed a three-way ball valve with diversion and converging functions for large ship cooling systems. Three-way ball valves are generally installed on the top of coke ovens and other places. The working environment is dusty, there are open flames, and it is easy to splash water. Three-way ball valves can be divided into T-type three-way and L-type three-way according to the structure. The four-seat three-way ball valve uses a top-mounted ball. Due to the four-seat structure, the sealing performance is better, but the size of the valve cavity including the ball is correspondingly increased, and the structure is relatively complex. L-type three-way ball valve (Q44 type) is used for medium in pipelines
Three-way, four-way and multi-way valves are all multi-way switching valves, which are mainly used to switch and distribute materials and merge and divert. Jingpai Valve has designed a three-way ball valve with diversion and confluence for the cooling system of large ships. The three-way ball valve is generally installed on the top of the coke oven and other places. The working environment is dusty, there is open fire, and it is easy to splash water.
According to the structure, the three-way ball valve can be divided into T-type three-way and L-type three-way. The four-seat three-way ball valve adopts a top-mounted ball. Due to the better sealing performance of the four-seat structure, the size of the valve cavity including the ball is correspondingly increased, and the structure is relatively complex.
The L-type three-way ball valve (Q44 type) is used for switching the flow direction of the medium in the pipeline, which can connect two vertical pipelines. The T-type three-way ball valve (Q45 type) is used for the diversion, confluence and flow direction switching of the medium. The T-type ball channel can connect the three channels to each other or connect two of the channels. The T-type ball valve can realize two, three, or four functions.
| Serial number | Part name | Serial number | Part name |
| 1 | Lower cover | 13 | (Bonnet) |
| 2 | Gasket | 14 | Bearing |
| 3 | (Body)Body | 15 | (Stem)Stem |
| 4 | Bolt | 16 | （O-ring）O-rings |
| 5 | （Nut）Nut | 17 | （Packaging）Packing |
| 6 | (hat) Bonnet | 18 | (gland) Gland |
| 7 | Ball | 19 | Yoke |
| 8 | （Seat）Seat | 20 | （Worm Drive）Worm Drive |
| 9 | （Spring）Spring | 21 | （Key）Key |
| 10 | （Insert Seat）Insert Seat | 22 | （Vent plug）Vent plug |
| 11 | （O-rings）O-rings | 23 | （Drain Plug）Drain Plug |
| 12 | （Gasket）Gasket | 24 | |
| Technical Requirements | |||
| Design and Manufacturing | API 6d | ||
| （Face to Face）Face To Face | ASME B16.10 | ||
| (Connection End) Conneciton End | ASME B16.5 | ||
| Inspection and Testing | API 6d | ||
Dimensions:
| Size | Class 150 | Class 300 | Class 600 | Class 900 | ||||||||
| Nominal Pipe Size (NPS) | L | H | H1 | L | H | H1 | L | H | H1 | L | H | H1 |
| 2 | 240 | 138 | 180 | 240 | 141 | 180 | 292 | 153 | 180 | 368 | 167 | 219 |
| 3 | 280 | 176 | 210 | 280 | 174 | 210 | 356 | 176 | 215 | 381 | 184 | 297 |
| 4 | 320 | 194 | 235 | 320 | 197 | 235 | 432 | 197 | 241 | 457 | 218 | 390 |
| 6 | 440 | 224 | 530 | 440 | 219 | 530 | 559 | 211 | 540 | 610 | 226 | 655 |
| 8 | 550 | 243 | 625 | 550 | 246 | 625 | 660 | 248 | 635 | 737 | 255 | 770 |
| 10 | 670 | 312 | 650 | 670 | 283 | 650 | 787 | 286 | 665 | 838 | 297 | 805 |
| 12 | 720 | 327 | 780 | 720 | 334 | 780 | 838 | 338 | 790 | 965 | 341 | 965 |
| 14 | 890 | 376 | 790 | 890 | 368 | 790 | 970 | 372 | 810 | 1029 | 390 | 980 |
| 16 | 1000 | 422 | 920 | 1000 | 419 | 920 | 1100 | 423 | 925 | 1200 | 453 | 1145 |
| 18 | 1100 | 453 | 970 | 1100 | 442 | 970 | 1240 | 449 | 985 | 1320 | 526 | 1195 |
Four usage states of T-type tee
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