Pneumatic Control Valve — Products & Sub-categories
- Pneumatic Angle Seat Control Valve
- Pneumatic Angle Type High Pressure Regulating Control Valve
- Pneumatic Single Seat Globe Control Valve
- Pneumatic Flow Control Valve
- Pneumatic Actuated Globe Type Control Valve
- Fluorine Lined Single Seat Control Valve
- 3-Way Pneumatic Diaphragm Control Valve
- 3-Way Converging and Diverging Control Valve
- Pneumatic Sleeve Type Control Valve
- Pneumatic Double Seat Control Valve
- Pneumatic Cage Control Valve
- Pneumatic Angle Control Valve
Pneumatic Control Valve
Pneumatic Control Valve Supplier in South Africa for precise automated flow control in industrial applications.
Reliable pneumatic control is important in industrial processes where flow, pressure and temperature need to be regulated consistently under changing operating conditions. As a major Pneumatic Control Valve Supplier in South Africa, African Valve provides pneumatic valve solutions for automated flow regulation and shut-off applications. The range is suitable for mining, mineral processing, oil & gas, petrochemical, power generation, water and wastewater treatment, and industrial process systems, with valve and actuator configurations selected according to the application requirements.
Pneumatic Control Valve Features
Automatic flow regulation - Adjusts valve position according to the pneumatic control signal.
Fast actuation - Compressed air provides responsive valve movement for automated processes.
Modulating control - Supports continuous valve positioning for variable flow regulation.
Fail-safe operation - Spring-return actuators can move the valve to a defined position following loss of air supply.
Balanced trim options - Can help reduce hydraulic forces and actuator requirements in suitable applications.
Cage-guided designs - Suitable for demanding pressure-drop control duties.
Positioner compatibility - Supports accurate valve positioning in automated control loops.
Application-specific selection - Valve body, trim, actuator and accessories can be selected according to operating conditions.
Technical Specifications Parameter Specification Product Type 3-Way Converging/Diverging / 3-Way Pneumatic Diaphragm / Fluorine-Lined Single Seat / Pneumatic Actuated Globe / Pneumatic Angle / Pneumatic Cage / Pneumatic Double Seat / Pneumatic Flow Control / Pneumatic Single Seat Globe / Pneumatic Sleeve Type Actuation Pneumatic Diaphragm / Pneumatic Piston Control Modulating / On-Off, depending on design End Connection Flanged / Butt Weld / Threaded / Socket Weld, depending on design Flow Characteristic Linear / Equal Percentage / Quick Opening, depending on trim Pressure Rating PN16 / PN25 / PN40 / PN63 / PN100 / ASME Class 150–600 Size Range DN15–DN600 (1/2"–24")Accessories: Positioner / Solenoid Valve / Air Filter Regulator / Limit Switch Materials & Components
- Body: ASTM A216 WCB, ASTM A352 LCB, ASTM A217 WC6 / WC9, ASTM A351 CF8M, ASTM A995 Grade 4A / 5A
- Plug: SS316 / SS410 / F6a / Hardened Alloy / Stellite Overlay
Material selection depends on fluid characteristics, pressure, temperature, corrosion, erosion and service conditions. Specific material grades should be selected according to the valve design and application. Pneumatic control-valve constructions include WCB, WC6, SS304 and SS316 bodies, with SS304, SS316 and Stellite used for selected trim components.Applications in South Africa
- Mining and Mineral Processing - Continuous flow regulation in mineral-processing and slurry systems.
- Power Generation - Automated control of steam, water and utility flows.
- Oil & Gas - Process-flow regulation and automated control in production and processing systems.
- Petrochemical Facilities - Precise control of process fluids and chemical streams.
- Water and Wastewater Treatment - Automated regulation of water and treatment-media flows.
- Chemical Processing - Continuous flow control for chemical and process-fluid systems.
- Industrial Manufacturing - Automated flow regulation where rapid pneumatic response is required.
Standards
Industrial-process control valves are covered by the IEC 60534 series, which addresses areas including control-valve terminology, flow characteristics, sizing, dimensions and testing. EN 1349 is also applicable to industrial-process control valves, while ASME B16.34 may apply to valve pressure-containing design and pressure-temperature requirements. Testing and other requirements should be established according to the selected valve construction, pressure class and applicable project specifications.
Showing 1-12 of 12 results
