One-Way Flow Control
The GRLA-1/4-QS-8-RS-D provides adjustable one-way flow control for regulating airflow in suitable pneumatic drive applications.
FESTO GRLA-1/4-QS-8-RS-D One-Way Flow Control Valve G1/4 QS-8 475L/min
Available in stock (400)
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$9.94
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Technical Specifications
| Brand | FESTO |
| Model Number | GRLA-1/4-QS-8-RS-D |
| Product Category | One-Way Flow Control Valve |
| Part Number | 534339 |
| Valve Function | One-Way Flow Control Function |
| Pneumatic Connection, Port 1 | QS-8 |
| Pneumatic Connection, Port 2 | G1/4 |
| Tube Outside Diameter | 8 mm |
| Adjustment Component | Knurled Screw |
| Type of Mounting | Screw-In with Male Thread |
| Standard Nominal Flow Rate, Flow Control Direction | 475 l/min |
| Standard Nominal Flow Rate, Blocked Direction | 325-500 l/min |
| Operating Pressure | 0.2-10 bar |
| Operating Medium | Compressed Air to ISO 8573-1:2010 [7:4:4] |
| Mounting Position | Any |
| Nominal Torque | 5 Nm |
| Product Weight | 50 g |
| Seal Material | NBR |
Key Features
475 l/min Nominal Flow
The documented standard nominal flow rate in the flow-control direction is 475 l/min.
G1/4 and QS-8 Connections
The valve combines a G1/4 threaded pneumatic connection with a QS-8 push-in connection for 8 mm outside-diameter pneumatic tubing.
Knurled Screw Adjustment
The RS version uses a knurled screw adjustment component for mechanical regulation of the restricted airflow.
0.2-10 Bar Operation
The documented operating pressure range across the complete temperature range is 0.2 to 10 bar.
Screw-In Mounting
The valve features screw-in mounting with a male thread for installation at suitable pneumatic connections.
Applications
- Pneumatic cylinder speed control
- Exhaust-air flow regulation
- Pneumatic drive motion control
- Industrial automation equipment
- Pneumatic handling systems
- Assembly machinery
- Packaging equipment
- Compressed-air control circuits
Purchase Information
We support online purchase of the FESTO GRLA-1/4-QS-8-RS-D One-Way Flow Control Valve. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.
Frequently Asked Questions
What is FESTO GRLA-1/4-QS-8-RS-D?
It is a one-way flow control valve for regulating airflow in suitable pneumatic systems.
What is the FESTO part number?
The part number for GRLA-1/4-QS-8-RS-D is 534339.
What pneumatic connections does the valve use?
Port 1 is QS-8 and port 2 is G1/4.
What tube size is used with QS-8?
The QS-8 push-in connection is intended for pneumatic tubing with an 8 mm outside diameter.
What adjustment component does this version use?
The GRLA-1/4-QS-8-RS-D uses a knurled screw adjustment component.
What is the standard nominal flow rate?
The standard nominal flow rate in the flow-control direction is 475 l/min. The documented range in the blocked direction is 325 to 500 l/min.
What is the operating pressure range?
The documented operating pressure range is 0.2 to 10 bar.
What operating medium is specified?
The specified operating medium is compressed air to ISO 8573-1:2010 [7:4:4].
What is the ambient temperature range?
The documented ambient temperature range is -10°C to +60°C.
Can GRLA-1/4-QS-8-RS-D be used for cylinder speed control?
Its one-way flow-control function can be used to regulate airflow for speed control in suitable pneumatic drive applications.
What is the product weight?
The documented product weight is 50 g.
What should be checked before ordering?
Verify the complete GRLA-1/4-QS-8-RS-D model designation, part number 534339, G1/4 and QS-8 connections, required flow rate, operating pressure and the pneumatic requirements of the target system.
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