Product Overview
The Parker PXC-J128 is a precision-engineered pneumatic limit switch valve designed for reliable position sensing and signal actuation in automated industrial processes. Manufactured by Parker Hannifin, a global leader in motion and control technologies, this valve operates on a pneumatic actuation principle, utilizing a mechanically actuated plunger or lever to trigger a pilot signal when a predetermined position is reached. As a critical component within process and pneumatic control circuits, the PXC-J128 serves as an interface between mechanical motion and pneumatic logic, ensuring accurate sequencing, end-of-travel detection, and safety interlocking in complex hydraulic and pneumatic systems.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic Limit Switch Valve |
| Model Designation | PXC-J128 |
| Operating Pressure | Standard Industrial Grade (Up to 10 bar / 145 psi) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (Threaded Ports) |
| Actuation Type | Mechanical Plunger / Lever Actuated |
| Function | 3/2 or 5/2 Way Position Sensing |
Engineering Features & Advantages
- Precision Performance: High-precision mechanical actuation ensures accurate and repeatable signal triggering for critical position feedback and end-of-stroke detection in pneumatic control sequences.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, featuring robust construction materials that resist wear, vibration, and environmental contaminants.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring seamless integration into existing Parker pneumatic systems and manifolds.
- Fast Response: Optimized internal flow paths provide rapid pilot signal transmission, minimizing lag in high-cycle automation processes.
Typical Industrial Applications
The Parker PXC-J128 is widely utilized in heavy industrial scenarios requiring precise position monitoring and pneumatic logic control. Common applications include plastic injection molding machines for mold safety interlocks and ejector sequencing, metallurgical presses for ram position detection, packaging and assembly automation lines for end-of-travel confirmation, and CNC machine tools for tool changer and clamping circuit feedback. Its robust design also makes it suitable for construction and marine hydraulic systems where reliable pneumatic signal actuation is essential.
PRODUCT IMAGES

Parker PXC-J128 Pneumatic Limit Switch 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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