Exhaust-Air Flow Control
The GRLA-1/4-QS-8-D provides an exhaust-air one-way flow control function for regulating airflow in pneumatic drive applications.
FESTO GRLA-1/4-QS-8-D One-Way Flow Control Valve G1/4 QS-8 475L/min
Available in stock (400)
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$13.30
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Technical Specifications
| Brand | FESTO |
| Model Number | GRLA-1/4-QS-8-D |
| Product Category | One-Way Flow Control Valve |
| Part Number | 193147 |
| Valve Function | Exhaust Air One-Way Flow Control |
| Pneumatic Connection, Port 1 | QS-8 |
| Pneumatic Connection, Port 2 | G1/4 |
| Tube Outside Diameter | 8 mm |
| Adjustment Component | Slotted Head Screw |
| Type of Mounting | Screw-In |
| 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 Tightening Torque | 5 Nm |
| Product Weight | 42 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 port with a QS-8 push-in connection for 8 mm outside-diameter pneumatic tubing.
0.2-10 Bar Operation
The documented operating pressure range across the complete specified temperature range is 0.2 to 10 bar.
Adjustable Flow Restriction
A slotted-head adjustment screw provides mechanical adjustment of the restricted airflow for pneumatic motion control.
Screw-In Installation
The screw-in mounting design supports installation at suitable pneumatic cylinder and drive 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-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-D?
It is a one-way flow control valve with an exhaust-air flow-control function for suitable pneumatic systems.
What is the FESTO part number?
The part number for GRLA-1/4-QS-8-D is 193147.
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 is the standard nominal flow rate?
The standard nominal flow rate in the flow-control direction is 475 l/min, while the documented range in the blocked direction is 325 to 500 l/min.
What is the operating pressure range?
The documented operating pressure range across the complete temperature 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.
How is the airflow adjusted?
The valve uses a slotted-head adjustment screw to regulate the restricted airflow.
Can GRLA-1/4-QS-8-D be used for cylinder speed control?
Its exhaust-air one-way flow-control function can be used for regulating airflow in suitable pneumatic drive speed-control applications.
What is the product weight?
The documented product weight is 42 g.
What should be checked before ordering?
Verify the complete GRLA-1/4-QS-8-D model number, part number 193147, G1/4 and QS-8 connections, 0.2-10 bar operating pressure range, required flow rate and the pneumatic requirements of the target system.
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