L-type, T-type Pneumatic Three-way Ball Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
Q648/Q649 L-type, T-type pneumatic three-way ball valves
Product features
Ball valve uses the ball with a circular passage as a hoist part, the ball is rotated with the stem to achieve open and close action. Its hoist part is a hole ball, rotated around the axis that is perpendicular to the channel, so as to achieve open and close channel purpose. According to structural forms, it can be divided into: floating, fixed, flexible type and grease seal-type; according to channel, it can be divided into: straight-through, corner type and three-way type, etc. Three-way type can also be divided into T-shaped and L-shaped; according to connections, it can be divided into: screw-type connection, flange connection and welding connection.
Structure
Q648/Q649 L-type,T-type pneumatic three-way ball valve structral diagram
Main external and connection dimensions
| Q648/649F-16 | |||||||||||
| nominal diameter DN | L | L1 | D | K | D1 | n-Φd | b | f | H | W | |
| mm | in | ||||||||||
| 25 | 1″ | 200 | 100 | 115 | 85 | 65 | 4-Φ14 | 16 | 2 | 193 | 140 |
| 32 | 1 1/4″ | 220 | 100 | 140 | 100 | 76 | 4-Φ18 | 18 | 2 | 212 | 164 |
| 40 | 1 1/2″ | 250 | 125 | 150 | 110 | 84 | 4-Φ18 | 18 | 2 | 230 | 164 |
| 50 | 2″ | 260 | 130 | 165 | 125 | 99 | 4-Φ18 | 20 | 3 | 268 | 190 |
| 65 | 2 1/2″ | 300 | 150 | 185 | 145 | 118 | 4-Φ18 | 20 | 3 | 293 | 210 |
| 80 | 3″ | 320 | 160 | 200 | 160 | 132 | 8-Φ18 | 20 | 3 | 325 | 247 |
| 100 | 4″ | 370 | 185 | 220 | 180 | 156 | 8-Φ18 | 22 | 3 | 380 | 276 |
| 125 | 5″ | 430 | 215 | 250 | 210 | 184 | 8-Φ18 | 22 | 3 | 468 | 348 |
| 150 | 6″ | 480 | 240 | 285 | 240 | 211 | 8-Φ23 | 24 | 3 | 510 | 378 |
| 200 | 8″ | 550 | 275 | 340 | 295 | 256 | 12-Φ23 | 24 | 3 | 655 | 432 |
