The One-way flow control valve series GRxA and GRxZ by Festo is specially designed for precise regulation of piston speeds in pneumatic drives during both advancing and retracting movements. This product uniquely combines the features of a one-way flow control valve and a piloted check valve, enabling flow control on one end while providing a non-return function on the opposite end. Available in polymer, metal, or stainless steel construction, these valves come in standard, mini, and in-line formats, accommodating a wide range of flow rates suitable for diverse industrial automation needs. Connection options include dual-thread ends, dual push-in connectors, or a hybrid of thread and push-in connections, offering flexibility for integration into existing pneumatic systems. The GRxA and GRxZ series are part of Festo's Core Range, ensuring rapid worldwide availability alongside the renowned high quality and reliability of Festo products. The valve’s superior throttle function is effective in exhaust or supply air directions depending on the variant, with the non-return function stabilizing flow in the reverse direction, thereby protecting the pneumatic system. The corrosion-resistant CRGRLA model with rotary switch and hex key allows for gradual selection and finely tuned flow rate adjustment, ensuring optimal piston speed control under different operating conditions. These valves are essential components for precise airflow management, enhancing the efficiency and control in pneumatic automation processes.
Key Features
| Features | Description |
|---|---|
| Functional Combination | One-way flow control valve combined with piloted check valve |
| Flow Control Direction | Flow control at one end; non-return at opposite end |
| Material Options | Polymer, metal, stainless steel |
| Variants | Standard, mini, in-line |
| Connection Types | Thread/thread, push-in/push-in, thread/push-in |
| Flow Rate Ranges | Multiple ranges including low flow (LF) and medium flow (MF) |
| Corrosion Resistance | Available corrosion-resistant variant (CRGRLA) |
| Flow Rate Adjustment | Rotary switch and hex key for precision flow tuning |
| Part of | Festo Core Range with quick worldwide delivery |
| Application | Regulates piston speed in pneumatic drives during advance and retract cycles |
| Attributes | Description |
|---|---|
| Product Series | GRLA, GRLZ, GRLSA, CRGRLA |
| Throttle Function Direction | Exhaust or supply air depending on series |
| Non-return Function | Opposite direction of throttle function |
| Flow Characteristic Types | Low flow (LF), Medium flow (MF) |
| Adjustment Method | Rotary switch and hex key with scale for CRGRLA variant |
| Connection Sizes | Thread sizes and push-in connectors for tube diameters |
| Material Construction | Polymer, Metal, Stainless Steel |
| Operating Principle | One-way flow with piloted check to prevent backflow |
| Typical Uses | Automation tasks involving pneumatic drives, speed regulation |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Yes, depending on the series, the valve’s throttle function works either in the supply air direction or the exhaust air direction, while the non-return function operates in the opposite direction.
Yes, the CRGRLA variant is corrosion-resistant, making it suitable for use in harsh or corrosive industrial environments.
The valve offers flexible connection options including threaded ends on both sides, push-in connectors on both ends, or a combination of thread and push-in connections.
Precise adjustment is enabled by a rotary switch for coarse preselection of flow rate range and a hex key for infinitely variable fine-tuning with a scale, especially in the CRGRLA model.
The valves support low flow (LF) for precise control of slow piston speeds and medium flow (MF) for moderate piston speed control, suitable for varied pneumatic automation tasks.
Country Of Origin: Australia
One-way flow control valve GRxA, GRxZ
Characteristics
At a glance
•
Functional combination of one-way flow control valve and piloted check valve
•
Flow control valve, flow control at one end
•
Polymer, metal or stainless steel design
•
Standard, mini, in-line variants with different flow rate ranges
•
Connections: thread at both ends, push-in connector at both ends, thread/push-in connector
Product segmentation
Festo Core Range
Solves the majority of your automation tasks
With the Festo Core Range, we have selected the most important products and functions from our broad product catalogue, and added the quickest delivery.
the Core Range offers you the best value with the expected high Festo quality.
• Quickest delivery, worldwide – wherever, whenever
• Expected high Festo quality
• Easy and fast to select
Diagrams
Further information → grla/grlz
The diagrams shown in this document are also available online. These can be used to display precise values.
Series
One-way flow control valves can be used to regulate the piston speed of pneumatic drives as they advance and retract.
[GRLA]
One-way flow control valve
[GRLZ]
One-way flow control valve
The throttle function only works in the exhaust air direction, the non-return function works in the opposite direction.
The throttle function only works in the supply air direction, the non-return function works in the opposite direction.
[GRLSA]
One-way flow control valve
[CRGRLA]
One-way flow control valve, corrosion resistant
The throttle function only works in the exhaust air direction, the non-return function works in the opposite direction.
Gradual preselection of the flow rate range using a rotary switch and infinitely variable precision adjustment with hex key using a scale.
The throttle function only works in the exhaust air direction, the non-return function works in the opposite direction.
Flow rate characteristic
[LF]
Low flow
[MF]
Medium flow
Precise setting for low piston speeds
Precise setting for medium piston
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Jaipur , India
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