Caliber: DN15 ~ DN250
Design and manufacturing: API608、API6D
Face-to-face dimensions: ASME B16.10、API6D
Connection forms: Flange, Wafer
Pressure test: API598、API6D
Pressure temporature level: ≤250℃
Pressure: PN16~PN40
A three-way ball valve is a versatile flow control device featuring three ports and an internal ball with an L or T-shaped bore. This design enables efficient management of fluid direction, allowing for mixing, distribution, or complete shutoff within a single valve. The valve’s compact structure, reliable sealing, and ease of operation make it suitable for various industrial applications, including chemical processing, water treatment, and HVAC systems. Its ability to streamline piping configurations and reduce the need for multiple valves enhances system efficiency and reduces maintenance requirements.



Main External and Connection Dimensions
| DN | L | D | D1 | D2 | b | Z–Φd | H | W | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| 15 | 150 | 95 | 65 | 45 | 14 | 4–Φ14 | 95 | 140 | 4 |
| 20 | 160 | 105 | 75 | 55 | 14 | 4–Φ14 | 105 | 160 | 8 |
| 25 | 180 | 115 | 85 | 65 | 14 | 4–Φ18 | 113 | 180 | 7 |
| 32 | 200 | 135 | 100 | 78 | 16 | 4–Φ18 | 135 | 250 | 12 |
| 40 | 220 | 145 | 110 | 85 | 16 | 4–Φ18 | 142 | 300 | 15 |
| 50 | 240 | 160 | 125 | 100 | 16 | 4–Φ23 | 165 | 350 | 20 |
| 65 | 260 | 180 | 145 | 120 | 16 | 8–Φ18 | 175 | 350 | 25 |
| 80 | 280 | 195 | 160 | 135 | 20 | 8–Φ18 | 190 | 400 | 36 |
| 100 | 320 | 215 | 180 | 155 | 20 | 8–Φ18 | 225 | 500 | 51 |
| 125 | 380 | 245 | 210 | 185 | 22 | 8–Φ23 | 245 | 600 | 77 |
| 150 | 440 | 280 | 240 | 210 | 24 | 8–Φ23 | 265 | 800 | 108 |
| 200 | 550 | 335 | 295 | 265 | 26 | 12–Φ23 | 305 | 800 | 126 |
| 250 | 670 | 405 | 355 | 320 | 30 | 12–Φ25.4 | 370 | 1300 | 185 |
L-type (L Port) – Suitable for two-way flow control
T-type (T Port) – Suitable for three-way flow or mixing/diverting applications
▶ Stainless Steel – Class 25(Q44F/644F/944F/45/645F/945F–25C/P)
| DN | L | D | D1 | D2 | b | Z–Φd | H | W | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| 15 | 150 | 95 | 65 | 45 | 16 | 4–Φ14 | 95 | 100 | 4 |
| 20 | 160 | 105 | 75 | 55 | 16 | 4–Φ14 | 105 | 160 | 8 |
| 25 | 180 | 115 | 85 | 65 | 16 | 4–Φ18 | 113 | 160 | 8 |
| 32 | 200 | 135 | 100 | 78 | 18 | 4–Φ18 | 135 | 250 | 13 |
| 40 | 220 | 145 | 110 | 85 | 18 | 4–Φ18 | 142 | 250 | 19 |
| 50 | 240 | 160 | 125 | 100 | 20 | 4–Φ18 | 154 | 350 | 27 |
| 65 | 260 | 180 | 145 | 120 | 22 | 8–Φ18 | 175 | 350 | 33 |
| 80 | 280 | 195 | 160 | 135 | 22 | 8–Φ18 | 190 | 450 | 40 |
| 100 | 320 | 230 | 190 | 160 | 24 | 8–Φ23 | 225 | 450 | 53 |
| 125 | 380 | 270 | 220 | 188 | 28 | 8–Φ25 | 245 | 600 | 86 |
| 150 | 440 | 300 | 250 | 218 | 30 | 8–Φ25 | 265 | 800 | 113 |
| 200 | 550 | 360 | 310 | 278 | 34 | 12–Φ25 | 305 | 1200 | 133 |
| 250 | 670 | 425 | 370 | 332 | 36 | 12–Φ30 | 370 | 1400 | 219 |
| DN | L | D | D1 | D2 | D6 | b | Z–Φd | H | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|
| 15 | 180 | 95 | 65 | 45 | 40 | 16 | 4–Φ14 | 100 | 4 |
| 20 | 190 | 105 | 75 | 55 | 51 | 16 | 4–Φ14 | 160 | 5 |
| 25 | 200 | 115 | 85 | 65 | 58 | 16 | 4–Φ14 | 160 | 8 |
| 32 | 210 | 135 | 100 | 78 | 66 | 18 | 4–Φ18 | 250 | 13 |
| 40 | 230 | 145 | 110 | 85 | 75 | 18 | 4–Φ18 | 250 | 19 |
| 50 | 240 | 160 | 125 | 100 | 88 | 20 | 4–Φ18 | 350 | 27 |
| 65 | 260 | 180 | 145 | 120 | 88 | 22 | 8–Φ18 | 350 | 33 |
| 80 | 295 | 195 | 160 | 135 | 108 | 24 | 8–Φ18 | 450 | 40 |
| 100 | 350 | 230 | 190 | 160 | 150 | 26 | 8–Φ23 | 450 | 53 |
| 125 | 381 | 270 | 220 | 188 | 176 | 28 | 8–Φ25 | 600 | 86 |
| 150 | 403 | 300 | 250 | 218 | 206 | 30 | 8–Φ25 | 800 | 113 |
| 200 | 502 | 376 | 320 | 282 | 260 | 38 | 12–Φ30 | 1200 | 133 |
| 250 | 568 | 455 | 385 | 345 | 313 | 42 | 12–Φ34 | 1400 | 219 |
Three-way ball valves are versatile components utilized across various industries for efficient fluid management. In chemical processing, they facilitate the mixing and diversion of different chemicals, enhancing process flexibility. In HVAC systems, these valves regulate the flow of heating and cooling fluids, contributing to effective temperature control. Water treatment facilities employ three-way ball valves to manage the distribution and mixing of water streams, ensuring optimal treatment processes. Additionally, in the oil and gas sector, they are instrumental in directing flow paths, supporting complex pipeline networks. Their ability to streamline piping configurations by replacing multiple two-way valves with a single unit simplifies system design and maintenance. The choice between L-port and T-port configurations allows for tailored flow control solutions, accommodating specific operational requirements. Overall, three-way ball valves enhance system efficiency and operational flexibility across a broad spectrum of applications.
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