Product Overview
The FESTO GR-QS-6 (Part Number: 193969) is a precision-engineered pneumatic one-way flow control valve designed for exacting speed regulation of pneumatic actuators. As a member of Festo’s GR-QS series, this valve combines a push-in fitting with an integrated throttling and check function, allowing precise adjustment of exhaust or supply air flow in pneumatic circuits. The GR-QS-6 operates on a unidirectional flow control principle: the check valve permits free flow in one direction while the adjustable throttle restricts flow in the opposite direction, enabling fine control of cylinder rod speed. Constructed with a high-quality brass body and featuring a knurled adjustment screw with lock nut, this valve ensures reliable, repeatable settings even under vibration. Its compact QS push-in connection accommodates 6 mm outer diameter tubing, making it ideal for space-constrained pneumatic control panels and modular automation systems.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic One-Way Flow Control Valve (Check & Throttle Valve) |
| Model Designation | GR-QS-6 / 193969 |
| Operating Pressure | 0.2 to 10 bar (2.9 to 145 psi) |
| Pneumatic Connection | Push-in fitting for 6 mm OD tubing (QS-6) |
| Adjustment Type | Knurled screw with lock nut for precise throttling |
| Flow Direction | Unidirectional (free flow one way, throttled in reverse) |
| Body Material | Brass, nickel-plated |
| Seal Material | NBR (Nitrile Butadiene Rubber) |
| Operating Temperature Range | -10°C to +60°C (14°F to 140°F) |
| Mounting & Connection | Inline mounting via push-in fitting; standard Festo QS interface |
Engineering Features & Advantages
- Precision Speed Control: The integrated throttle and check valve design enables exact, repeatable adjustment of actuator speed in one flow direction, ensuring smooth and controlled pneumatic motion sequences.
- Push-In QS Connection: Festo’s proven QS push-in fitting technology allows rapid, tool-free tubing installation and removal, reducing assembly and maintenance downtime significantly.
- Industrial Reliability: Designed for dependable long-term operation in demanding industrial environments, with quality bearings and sealing systems ensuring extended maintenance intervals.
- Direct Fit Replacement: Precision-manufactured to original FESTO specifications for direct replacement, minimising downtime and eliminating fitment issues.
Typical Industrial Applications
Its compact QS push-in connection accommodates 6 mm outer diameter tubing, making it ideal for space-constrained pneumatic control panels and modular automation systems.
PRODUCT IMAGES
FESTO GR-QS-6 / 193969 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 GR-QS-6 / 193969 Push-in Fitting. This Germany-made pneumatic component features a push-in design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.