Our pneumatic high-pressure flanged ball valves are powered by compressed air, with the valve stem driving the valve core to rotate 90° within the valve body, enabling full open to full close operation. They can be controlled and positioned intelligently, compatible with electrical valve positioners, and can be controlled by inputting a 4-20mADC signal and a 0.4-0.7MPa air source. This allows for adjustments of parameters such as pressure, flow rate, temperature, and liquid level. The Q641N pneumatic high-pressure flanged ball valve is divided into metal-sealed and soft-sealed types based on its sealing performance. These ball valves offer compact structure, small size, reliable operation, good sealing, easy maintenance, convenient installation, and strong adaptability. They are particularly suitable for media that are thick, granular, or fibrous. Pneumatic high-pressure ball valves are widely used in automatic control systems in industries such as oil, chemicals, educational equipment, light industry, high-pressure equipment, and papermaking, for both remote centralized control and on-site control.
Pneumatic High Pressure Flanged Ball Valve - Technical Parameters and Performance
| Nominal Pipe Size DN (mm) | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valve body style | Overall forged valve bodies (DN50 and below), three-section forged valve bodies (above DN50) | |||||||||||
| Nominal Pressure | PN16.0、25.0 MPa；ANSI 150、300、600、900LB | |||||||||||
| Connection Type | Flanged, Welded, Threaded (suitable for PN45MPa and below) | |||||||||||
| Sealed Packing Material | V-shaped polytetrafluoroethylene packing, flexible graphite packing, etc. | |||||||||||
| Valve Core Type | O-ring ball valve core | |||||||||||
| Flow Characteristics | Approximate quick-opening feature | |||||||||||
| Motion Range | 0～90°、0～360° | |||||||||||
| Leakage Quantity Q | In accordance with GB/T4213-92, less than rated KV 0.01% | |||||||||||
| Basic Tolerance | With locator: ±2% less than full travel | |||||||||||
| Adjustable Range | 250：1 | |||||||||||
| Configuration of actuator | GT, AT, AR, AW Series Double-acting and Single-acting Pneumatic Actuators | |||||||||||
| Control Method | Two-position switch control for power, 4-20mA analog signal control | |||||||||||
Pneumatic High Pressure Flanged Ball Valve Actuator Parameters
| Actuator Model | GT, AT, AR, AW Series Double-acting and Single-acting Pneumatic Actuators |
|---|---|
| Supply Pressure | 0.4～0.7MPa |
| Gas Source Interface | G1/4"、G1/8"、G3/8"、G1/2" |
| Ambient Temperature | -30～+70℃ |
| Function form | Single-acting actuator: Gas-closed (B) – valve opens (FO) when gas is lost; Gas-open (K) – valve closes (FC) when gas is lost Double-acting actuator: Gas-closed (B) – Valve position maintained (FL) when gas is lost; Gas-open (K) – Valve position maintained (FL) when gas is lost |
| Available accessories | Locators, solenoid valves, air filter regulators, hold-open valves, stroke switches, valve position transmitters, handwheels, etc. |
Pneumatic High Pressure Flanged Ball Valve, Parts Material
| Part Name | Material | |||
|---|---|---|---|---|
| Valve body, valve cover | A105 | 304(CF8) | 316(CF8M) | 316L(CF3M) |
| Sphere | 2Cr13 + Nitriding treatment | 304 | 316 | 316L |
| Valve stem | 2Cr13 | 304 | 316 | 316L |
| Valve seat seal ring | PTFE, Carbon Fiber + PTFE, Para-Phenylene Ether | |||
| Filling Material | V-shaped PTFE, flexible graphite | |||
Pneumatic High Pressure Flange Ball Valve - Performance Specifications
| Nominal Bore Diameter DN (mm) | DN15-300 | |||||
|---|---|---|---|---|---|---|
| Nominal Pressure | PN(MPa) | 10.0 | 16.0 | 25.0 | 32.0 | 42.0 |
| Test Pressure | Strength Test | 15.0 | 24.0 | 37.5 | 48.0 | 63.0 |
| Seal Test | 11.0 | 17.6 | 27.5 | 35.2 | 46.2 | |
| Low-pressure密封测试 | 0.5～0.7 | |||||
| Applicable Medium | Water, oil, steam, nitric acid (temperature ≤ 200℃), acetic acid (temperature ≤ 200℃) | |||||
Pneumatic High Pressure Flanged Ball Valve - Product Selection
(1) Valve Body Parameters: Nominal Bore Size, Working Pressure, Process Medium, Application, Valve Body Material, and other series parameters.
(2) Actuator Parameters: Actuator Type, Control Method, Control Signal (4-20mA, 1-5V), Operating Mode (Air-Open, Air-Shut)
Please provide as much detail as possible on the above technical specifications to facilitate our production and technical staff in accurately selecting the appropriate product for you. If you have any questions, feel free to call us, and we will be committed to providing you with excellent service!
