Festo GRLA-1/4-QS-8-RS-D One Way Flow Control Valve

Festo GRLA-1/4-QS-8-RS-D is a one-way flow control valve designed to regulate airflow in pneumatic systems, ensuring precise control over actuator speeds.

Key Specifications:

• Valve Function: One-way flow control
• Pneumatic Connections:
  • Port 1: QS-8 (Quick Star 8 mm push-in fitting)
  • Port 2: G1/4 (1/4-inch BSPP thread)
• Adjustment Component: Knurled screw
• Mounting Type: Screw-in, via male thread
• Standard Nominal Flow Rate:
  • In Flow Control Direction: 475 l/min
  • In Blocked Direction: 325–500 l/min
• Operating Pressure Range: 0.2 to 10 bar
• Operating Medium: Compressed air to ISO 8573-1:2010 [7:4:4]
• Ambient Temperature Range: 0 to 60°C
• Materials:
  • Housing: Die-cast zinc
  • Seals: NBR (nitrile rubber)
  • Adjustment Screw: Aluminum alloy

This valve combines a flow control function with a non-return valve, allowing free airflow in one direction and controlled flow in the opposite direction. The knurled screw enables easy and precise adjustment of the flow rate. Its compact and sturdy design, utilizing a combination of polymer and metal materials, makes it suitable for various industrial applications.