Description

FESTO One-Way Flow Control Valve – GRLA-M5-PK-4-B (151162)

The FESTO GRLA-M5-PK-4-B is a high-quality one-way flow control valve designed for precise control of exhaust air in pneumatic systems. With robust materials and compliance with ATEX standards, this valve is ideal for various industrial applications.

Key Features:

Valve Function: Exhaust air one-way flow control
Pneumatic Connections: Port 1: PK-4, Port 2: M5
Adjustment Component: Slotted head screw
Flow Rates:
- Standard nominal flow rate in control direction: 83 l/min
- Blocked direction: 76-88 l/min
Operating Pressure: 0.2 / 10 bar
Mounting Position: Optional
Ambient Temperature: -10 °C / 60 °C
Explosion Protection: Suitable for ATEX Zones 1, 2, 21, and 22
Material:
- Screwed plug: Nickel-plated
- Seals: NBR
- Adjusting screw: Brass
- Swivel fitting: Die-cast zinc
Compliance: RoHS-compliant, LABS (PWIS) VDMA24364-B1/B2-L

Technical Specifications:

Parameter	Value
Nominal Size	2 mm
Standard Flow Rate (Control Direction, 6 -> 0 bar)	140 l/min
Standard Flow Rate (Non-return Direction, 6 -> 0 bar)	128-148 l/min
Max. Tightening Torque	1.5 Nm