Discover how pneumatic equipment cabinets are fabricated for compressed air systems. Learn about material selection, pressure safety, and real-world installations.
Introduction
Pneumatic systems power industrial machinery with compressed air, requiring cabinets that house valves, regulators, filters, and control components. These cabinets must organize pneumatic components, provide accessibility, and withstand industrial environments. At Fulei Metal, we fabricate pneumatic equipment cabinet components for automation system manufacturers across Europe and Japan.
Cabinet Types
FRL cabinet types house filter, regulator, and lubricator units for air preparation. Valve manifold cabinets house solenoid valve manifolds for pneumatic control. Distribution cabinets house air distribution blocks and quick-connect fittings. Control cabinets house pneumatic controllers and pressure sensors. Combination cabinets integrate multiple pneumatic functions in a single enclosure.
Material Selection
Cold-rolled steel provides cost-effective cabinets with adequate strength for most pneumatic applications. We use 1.0 to 2.0 mm sheet for cabinet bodies. For food processing and corrosive environments, stainless steel (grade 304) provides superior corrosion resistance. Aluminum provides light weight for wall-mounted cabinets. Powder coating provides corrosion protection and color identification for pneumatic circuits.
Design Considerations
Cabinets must organize pneumatic components for easy identification and maintenance. Air supply and distribution connections must be accessible and clearly labeled. Cabinets must withstand vibration from pneumatic valve operation. Pressure-rated components must be securely mounted. All edges must be smooth for safety. Cabinets must be sealed to protect components from dust and moisture while allowing ventilation for air flow. Aesthetic design should provide professional appearance and clear component identification. Cabinets must accommodate standard pneumatic component dimensions.
Fabrication Process
Our TRUMPF fiber laser cuts cabinet body panels, doors, and mounting plates from flat sheet stock with precise cutouts for fittings, gauges, and connections. CNC press brake machines form cabinet bodies, doors, and internal mounting panels. Component assembly uses MIG welding for steel and TIG welding for stainless steel. Surface treatments include powder coating in client-specified colors. Our assembly team installs DIN rails, mounting brackets, gaskets, and cable management.
Field Notes: Pneumatic Control Cabinets
A pneumatic cabinet is usually a clean assembly problem rather than a forming problem, and the difficulty is that the cabinet is designed against components that arrive later. Valves, regulators, manifolds and tubing all have their own mounting conventions and their own service clearances, and a cabinet that is dimensioned from the outside will very often not leave enough room to get a hand in beside a manifold. The practical approach on this type of cabinet is to confirm the internal layout with the customer before the panels are cut, because moving a rail 20 mm is free at the drawing stage and means remaking panels afterwards. Cable and tube entries are also positioned after the internal layout is fixed, since an entry that lands behind a component is an entry that has to be redrilled on site.
Conclusion
Pneumatic equipment cabinet fabrication requires component organization, pressure safety, and precision manufacturing. Fulei Metal’s capabilities make us a trusted partner for pneumatic system projects.
For OEM buyers the practical next step is a drawing review — see our DFM engineering review for what we need and how fast we turn it around. This work sits inside our custom metal enclosure manufacturing capability, and Network Cabinet Enclosure Manufacturing Guide explains the technical background in more detail.