Pneumatic ball valves bring quarter-turn isolation into an automated process. Compressed air drives the actuator, opening or closing the valve without an operator at the pipe.
Farpro’s range includes the stainless steel Q641F assembly shown below. It is a useful starting point for process and utility lines where compressed air is available and valves need to respond to a remote control signal.
How the Pneumatic Assembly Works
The actuator converts air pressure into the turning movement of the ball. A double-acting actuator uses air for both directions; a spring-return design uses a spring for one direction when air pressure is removed. The required action forms part of the assembly specification.
Accessories such as a solenoid valve, position indicator or limit switches connect the assembly to the control system. For hazardous locations, the actuator and its accessories need to suit the area classification; pneumatic operation alone does not establish that suitability.
Пневматический шаровой кран из нержавеющей стали – Q641F
Q641F сочетает в себе шаровой кран из нержавеющей стали с пневматическим приводом для автоматического четвертьоборотного управления.. It is suited to
Where Pneumatic Operation Fits
On a site with an established air supply, pneumatic operation can be a practical choice for repeated on/off sequences. Where there is no suitable air network, an электрический шаровой кран may be easier to integrate. The choice starts with the services and controls already available at the installation.
Process and chemical lines
Pneumatic ball valves provide remote isolation for batch operations, transfer lines and process equipment. Body and seat materials need to suit the medium; the actuator determines how the valve responds to the control system.
Water and utility systems
Automated opening and closing can support treatment stages, circulation systems and equipment isolation. Valve size, closing time and the operating sequence should work together, especially on liquid lines where sudden changes in flow can create pressure surges.
For food, pharmaceutical or other specialist duties, the required construction and finish need their own review. The Q641F product page provides the listed materials and technical data for this assembly.
Talk to Us About the Complete Assembly
The valve and its controls need to work as one assembly. If you already have a control specification, send it with the valve enquiry so we can look at both together.
If you are still deciding between air and electric operation, tell us what is available on site and how the valve will be used. We can help you narrow the options.
О производителе клапанов Farpro
Farpro Valve — крупный мировой производитель клапанов, занимающийся исследованиями, разработка, производство и продажа арматуры.
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