Festo GRLZ-1/8-B One-Way Flow Control Valve

Selling Points

1Precision Flow Control: Regulates air flow with a standard nominal flow rate of 340 l/min in flow control direction.
2ATEX Certified: Compliant with ATEX zones 1, 2, 21, and 22 for safe operation in hazardous environments.
3Robust Construction: Made from wrought aluminum alloy for durability and resistance to corrosion.
4Easy Adjustment: Features a slotted head screw for quick and precise adjustment of the valve.
5Compact Design: Weighs only 28 grams, making it suitable for various industrial applications.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Valve function	Supply air flow control non-return function	Pneumatic connection 1	G1/8
Pneumatic connection 2	G1/8	Adjusting element	Slotted screw
Type of mounting	Screw-in	Standard nominal flow rate in flow control direction	340l/min
Standard nominal flow rate in non-return direction	260l/min 420l/min	Ambient temperature	-10°C 60°C
Explosion prevention and protection	Observe the information on the certificate Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX)	Mounting position	Any
Symbol	00991453	Operating pressure for entire temperature range	0.3bar 10bar
Standard flow rate in flow control direction 6 -> 0 bar	615l/min	Standard flow rate in non-return direction at 6 -> 0 bar	470l/min 760l/min
Operating medium	Compressed air as per ISO 8573-1:2010 [7:4:4]	Information on operating and pilot media	Operation with oil lubrication possible (required for further use)
LABS (PWIS) conformity	VDMA24364-B1/B2-L	Cleanroom class	Class 4 according to ISO 14644-1
Temperature of medium	-10°C 60°C	Max. tightening torque	6Nm
Product weight	28g	Material of screwed plug	Wrought aluminum alloy
Note on materials	RoHS-compliant	Seals material	NBR
Material of adjusting screw	Brass	Swivel joint material	Die-cast zinc
Manufacturer ID	151188

Specifications may be subject to change without notice