Q341F-16C cast steel worm gear flange ball valve is one kind of manual drive system device, the top is equipped with an opening degree indication disk, which can accurately indicate the opening angle of the ball valve. It is mainly used to play the role of cutting off the medium in the pipeline, and has the function of manually adjusting the flow of medium.
Product Features
- The worm gear has a scale indicator.
- Used for throttling and controlling flow.
- The valve seat is made of polytetrafluoroethylene, ensuring excellent sealing performance.
- It can be tightly closed with just a 90-degree rotation and minimal torque.
- The limit block features a lock hole to secure the switch position and prevent accidental operation, with a clearly visible switch indicator pointer on top.
Product Parameters
Product Model | Q341F-16C |
Valve Body Material | Cast Steel |
Nominal Pressure | ≤1.6Mpa |
Applicable Media | Water, Steam, Oil |
Applicable Temperature | ≤150°C |
Product Size Reference

Nominal Diameter | L | D | D1 | D2 | b-f | z-d | H | W |
DN15 | 130 | 95 | 65 | 45 | 14-2 | 4-14 | 65 | 115 |
DN20 | 140 | 105 | 75 | 55 | 14-2 | 4-14 | 75 | 130 |
DN25 | 150 | 115 | 85 | 65 | 14-2 | 4-14 | 85 | 150 |
DN32 | 165 | 135 | 100 | 78 | 16-2 | 4-18 | 95 | 190 |
DN40 | 180 | 145 | 110 | 85 | 16-3 | 4-18 | 105 | 230 |
DN50 | 200 | 160 | 125 | 100 | 16-3 | 4-18 | 115 | 240 |
DN65 | 220 | 180 | 145 | 120 | 18-3 | 4-18 | 145 | 280 |
DN80 | 250 | 195 | 160 | 135 | 20-3 | 8-18 | 160 | 310 |
DN100 | 280 | 215 | 180 | 155 | 20-3 | 8-18 | 185 | 330 |
DN125 | 320 | 245 | 210 | 185 | 22-3 | 8-18 | 215 | 600 |
DN150 | 360 | 280 | 240 | 210 | 24-3 | 8-23 | 245 | 800 |
DN200 | 400 | 335 | 295 | 265 | 26-3 | 12-23 | 300 | 1000 |
DN250 | 450 | 405 | 355 | 320 | 30-3 | 12-25 | 380 | 1200 |

















