Festo VFOH-LE-A-G18-Q4 One-Way Flow Control Valve

Selling Points

1Efficient Exhaust Air Management: One-way flow control valve designed for exhaust air applications.
2Manual Actuation: Easy to operate with manual actuation for precise control.
3High Flow Rates: Standard nominal flow rate in flow control direction: 180 l/min, and in non-return direction: 103–188 l/min.
4Durable Construction: Operating pressure range: 0.2–10 bar, and ambient temperature range: 0–150 °C.
5Versatile Mounting Options: Threaded mounting type for easy installation in any assembly position.

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Valve function	Exhaust air flow control non-return function	Pneumatic connection 1	QS-4
Pneumatic connection 2	G1/8	Actuation type	Manual
Adjusting element	External hexagon	Type of mounting	Screw-in
Standard nominal flow rate in flow control direction	180l/min	Standard nominal flow rate in non-return direction	103l/min 188l/min
Ambient temperature	0°C 150°C	Mounting position	Any
Symbol	00991452	Operating pressure for entire temperature range	0.2bar 10bar
Standard flow rate in flow control direction 6 -> 0 bar	250l/min	Standard flow rate in non-return direction at 6 -> 0 bar	270l/min 300l/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-B2-L	Storage temperature	-10°C 150°C
Temperature of medium	0°C 150°C	Nominal tightening torque	3Nm
Tolerance for nominal tightening torque	± 10%	Product weight	23g
Note on materials	RoHS-compliant	Seals material	FPM
Hollow bolt material	Wrought aluminum alloy	Releasing ring material	Brass, nickel-plated
Material of adjusting screw	High-alloy stainless steel	Swivel joint material	Brass Nickel-plated
Manufacturer ID	578797

Specifications may be subject to change without notice