Product Overview
The BAR PKN-1/2-015-C058-06 is a pneumatically actuated coaxial valve engineered by BAR for precise on/off control of neutral and aggressive media in industrial process lines. Its coaxial (in-line) working principle aligns the actuator, valve seat, and flow path along a single axis, allowing the medium to flow straight through the body with minimal turbulence, low pressure drop, and a compact installation footprint. The valve is actuated by an external pneumatic pilot signal acting on a spring-return piston, providing fast, repeatable switching for automated process skids, dosing circuits, and fluid handling systems. The 1/2 designation indicates a nominal 1/2″ line connection, while the 015 code references the valve’s nominal orifice/seat size within the PKN series. This component is a pneumatically operated process valve — it is not a pump and contains no rotating or displacing elements.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic Coaxial Valve (Process & Pneumatic Valve) |
| Model Designation | PKN-1/2-015-C058-06 |
| Manufacturer | BAR |
| Line Connection | 1/2″ nominal port (threaded/process connection per series standard) |
| Nominal Orifice Size | 015 (series-designated seat/orifice code) |
| Actuation Type | Pneumatic piston actuator, spring-return |
| Operating Pressure | Standard industrial process grade (rated per PKN series data) |
| Pilot / Control Air | Compressed air pilot signal, typically 3–10 bar range |
| Mounting & Connection | In-line coaxial body, standard ISO / manufacturer interface |
Engineering Features & Advantages
- Precision Performance: The coaxial flow path delivers straight-through, low-turbulence flow with minimal pressure loss, enabling accurate metering and fast, repeatable on/off switching in automated process circuits.
- Pneumatic Actuation: External pilot air drives the piston actuator for rapid response and reliable cycling, with spring-return fail-safe positioning on loss of pilot signal.
- Industrial Reliability: Built for continuous operation under demanding process conditions, with robust sealing and a compact body suited to dense manifold and skid installations.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original BAR PKN series standards for drop-in service and maintenance.
Typical Industrial Applications
The BAR PKN-1/2-015-C058-06 is deployed across heavy
PRODUCT IMAGES

BAR PKN-1/2-015-C058-06 Pneumatic Coaxial Valve
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
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