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 Characteristics
- Worm gear with graduated indication.
- For throttling and flow control.
- The valve seat is made of PTFE with good sealing performance.
- It can be closed tightly with only a 90-degree rotation operation and a small turning torque.
- The limit block is equipped with a locking hole to lock the switch position to avoid misoperation, and there is a clear switching volume pointer on it.
Product Parameters
Product Model | Q341F-16C |
Valve Body Material | Cast Steel |
Nominal Pressure | ≤1.6Mpa |
Applicable Media | Water, Steam, Oil, etc. |
Operating 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 |


















