Product Overview
The FESTO GRLA-3/8-QS-10-RS-D is a precision one-way flow control valve engineered for pneumatic actuation and process control circuits. Manufactured by Festo, a global leader in industrial automation, this valve combines a supply-air throttling function with an integrated reverse-flow check function, enabling precise speed regulation of pneumatic cylinders and actuators in one direction while permitting unrestricted exhaust flow in the opposite direction. The GRLA series is a proven, industry-standard component designed for panel or inline mounting, delivering accurate, repeatable metering of compressed air in demanding industrial environments.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic One-Way Flow Control Valve (Process & Pneumatic Valve) |
| Model Designation | GRLA-3/8-QS-10-RS-D |
| Pneumatic Connection | G3/8 threaded port with QS-10 push-in fitting for 10 mm OD tubing |
| Operating Pressure | Standard industrial pneumatic range (approx. 0.2 to 10 bar, depending on configuration) |
| Flow Function | One-way throttling with integrated reverse-flow check valve |
| Adjustment Type | Manual rotary knob with locking feature (RS-D variant) |
| Mounting & Connection | Inline / panel mounting, standard Festo interface |
| Media | Compressed air (filtered, lubricated or non-lubricated) |
Engineering Features & Advantages
- Precision Metering: Fine-thread adjustment screw provides accurate, repeatable throttling of actuator speed for consistent motion control.
- Integrated Check Function: Reverse-flow check valve allows unrestricted exhaust, ensuring rapid return strokes without affecting the controlled direction.
- Robust Sealing: High-quality elastomer seals maintain leak-free performance across the full operating pressure range.
- Quick & Secure Installation: QS-10 push-in fitting enables fast tubing connection, while the G3/8 threaded port ensures a reliable, sealed interface.
- Lockable Adjustment: The RS-D variant features a locking mechanism to prevent unauthorized or vibration-induced changes to the set flow rate.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with a compact, corrosion-resistant body.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Festo OEM standards for drop-in service.
Typical Industrial Applications
This Festo one-way flow control valve is widely deployed in pneumatic automation systems, including plastic injection molding machines for mold and ejector actuation, packaging and assembly lines for controlled cylinder strokes, CNC machine tools and handling systems for precise feed and clamping motions, and general process automation where reliable
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FESTO GRLA-3/8-QS-10-RS-D Pneumatic One-Way Flow Control Valve
âš¡ 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.
Shop the genuine FESTO GRLA-3/8-QS-10-RS-D One-Way Flow Control Valve. This Germany-made pneumatic component features a one-way flow control function with push-in fitting, delivering leak-free, reliable fluid control for heavy-duty industrial systems.