175056_FLOW_CONTROL_VALVE_M

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Part no.:
Page:1
175056
Catalogue page
 One-way flow control valve
 GRLA-M5-QS-4-LF-C
One-way flow control valves with exhaust air flow control are 
used to regulate exhaust air flow rates with double-acting 
cylinders. In the 
reverse direction, air flows through the non-return valve with 
full cross-sectional flow.
Uncontrolled supply air and controlled exhaust hold the 
piston between air cushions (improves motion, even with 
load changes).
Precision flow control valves with optimised performance 
characteristics are used for slow speeds (-LF).
Variants
One-way flow control valve for exhaust air flow control 
GRLA, GRGA, GRXA
One-way flow control valve for exhaust air flow control with 
stopper function GRXA-HG-...
- Flow rate: 18 ... 4300 l/min.
- Threaded connection: M3 ... G3/4
- QS push-in connector for tubing diameters from 3 ... 10 mm
- Barbed fitting connection PK-3 … PK-6
- Mounted directly on the cylinder
- Corrosion and acid-resistant CRGRLA
- Rotatable 360°
- With slotted head screw
- With knurled screw and lock nut
- Outlet on side (GRLA) or top (GRGA)
For exhaust air flow control, with 
swivel joint. 
 
 
 
 
Festo AG & Co.
Postbox
73734 EsslingenPrinted:10.10.2002 08:37:28
GRLA-M5-QS-4-LF-C
One-way flow control valve Part no.: 175056
Feature Data/description
Page:1
Data sheet
Function One-way flow control
Function air supply/exhaust air Exhaust air
Function restrictor Adjustable
Actuating component Screw
Type of mounting Screw-in
Nominal size flow control 1,4 mm
Nominal size non-return 1,4 mm
Air connection type 1 Male thread
Air connection type 2 Push-in
Thread for port 1 M 5
Nominal size of tubing connection 2 4
Operating pressure min. 0,2 bar
Operating pressure max. 10 bar
Minimum ambient temperature -10 °C
Maximum ambient temperature 60 °C
Minimum meduim temperature -10 °C
Maximum meduim temperature 60 °C
Material of housing Die-cast zinc
Material of seals NBR-Elastomer
Material of screw-in stud brass
Product weight 0,009 kg
Standard nom. flow rate 1->2(S) max. 40 l/min
Standard nom. flow rate 1->2(S) min 0 l/min
Standard nominal flow rate 2->1 max. 50 l/min
Standard nominal flow rate 2->1 min 0 l/min
Medium Compressed air, filtered 40 µm (may be lubricated)
Festo AG & Co.
Postbox
73734 EsslingenPrinted:10.10.2002 08:37:43