The Pneumatic Stainless Steel Ball Valve (models Q41/341/641/941F/H/Y) is designed for efficient fluid control in various industrial applications. This valve utilizes a spherical closure element (the ball) that rotates around its axis to regulate the flow of liquids and gases.
Hard Seal V-Type Ball Valve
Multi-Pass Ball Valve
Pneumatic ball valves can be categorized based on their driving modes:
Manual Ball Valve: Operated manually through a handle or lever for straightforward applications.
Pneumatic Ball Valve: Operated using compressed air, providing rapid actuation.
Electric Ball Valve: Controlled by electric actuators for automated systems.
| Name/Material | WCB | CF8 | CF3 | CF8M | CF3M |
| Body | WCB | CF8 | CF3 | CF8M | CF3M |
| Ball/Stem | WCB | CF8 | CF3 | CF8M | CF3M |
| Seat | PTFE / RPTFE/PPL | ||||
| Bolt/Nut | B7/2H | B8/8 | B8/8 | B8M/8M | B8M/8M |
| Design&Manufacture Standard | GB/T12237 | API 6D |
| FTF Dimension Standard | GB/T12221 | ASME B16.10 |
| Flange standard | HG/T20592 | ASME B16.5 |
| Inspection & Test Standard | HG/T13927 | API 598 |
| DN (mm | L | D | D1 | D2 | b | Z-Φd | H | W |
| Q41F-16C Q41F-16P Q641F-16C Q641F-16P BQ41F-16C BQ941F-16P | ||||||||
| 15 | 130 | 95 | 65 | 45 | 14 | 4φ14 | 78 | 130 |
| 20 | 130/140 | 105 | 75 | 55 | 14 | 4φ14 | 84 | 130 |
| 25 | 140/150 | 115 | 85 | 65 | 14 | 4φ14 | 95 | 160 |
| 32 | 165 | 135/140 | 100 | 78 | 16 | 4φ18 | 150 | 160 |
| 40 | 165/180 | 145/150 | 110 | 85 | 16 | 4φ18 | 150 | 180 |
| 50 | 203/200 | 160/165 | 125 | 100 | 16 | 4φ18 | 170 | 200 |
| 65 | 222/220 | 180/185 | 145 | 120 | 18 | 4φ18 | 195 | 240 |
| 80 | 241/250 | 195/200 | 160 | 135 | 20 | 8φ18 | 215 | 240 |
| 100 | 305/280 | 215/220 | 180 | 155 | 20 | 8φ18 | 250 | 280 |
| 125 | 356/320 | 245/250 | 210 | 185 | 22 | 8φ18 | 265 | 300 |
| 150 | 394/360 | 280/285 | 240 | 210 | 24 | 8φ23 | 270 | 300 |
| 200 | 400/457 | 335/340 | 295 | 265 | 26 | 12φ23 | 330 | 350 |
| 250 | 533 | 405 | 355 | 320 | 30 | 12φ26 | 450 | 400 |
| 300 | 610 | 460 | 410 | 375 | 30 | 12φ26 | 540 | 500 |
Corrosion Resistance
Pneumatic stainless steel ball valves resist corrosion, making them suitable for environments with harsh fluids or gases. The use of stainless steel ensures durability and reduces the likelihood of valve failure.
Shut-Off Capabilities
These valves provide reliable shut-off, thanks to their design that creates a tight seal when closed. This feature helps minimise leakage and ensures safety in critical applications.
Quick Operation
Pneumatic ball valves can be opened or closed with a simple quarter turn, allowing for fast actuation. This quick response is useful in situations requiring immediate flow control or emergency shut-off.
Low Maintenance
The straightforward design of pneumatic stainless steel ball valves, which has fewer moving parts than other types, leads to lower maintenance needs. With proper installation and care, these valves can last a long time, reducing downtime.
Versatile Applications
Pneumatic stainless steel ball valves are suitable for various applications across different industries, including chemical processing and food production. They can handle liquids, gases, and slurries, making them a practical choice for many fluid control systems.
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