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Festo
549155
One-way flow control valve VFOV-LE-G18-Q4
The Festo 549155 is an industrial component featuring a one-way flow control function for exhaust air with a G1/8 pneumatic connection port and manual actuation via a rotary knob. This threaded-mount unit operates within a working pressure range of 0.2 to 10 bar, an ambient and medium temperature range of -10 to 60 °C, and accommodates dried compressed air that is either lubricated or unlubricated in any assembly position. Constructed with NBR seals, a PA-reinforced rotary knob, and copper- and PTFE-free materials, it delivers a standard nominal flow rate of 0 to 260 l/min in the flow control direction and 130 to 230 l/min in the non-return direction at a product weight of 10 g. Submit the exact part number, quantity, and application requirements to request a quote.
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Request a Quote- Manufacturer
- Festo
- Part number
- 549155
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 549155.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Valve function
- One-way flow control function for exhaust air
- Pneumatic connection, port
- 2 G1/8
- Type of actuation
- manual
- Adjusting element
- Rotary knob
- Mounting type
- Threaded
- Standard nominal flow rate in flow control direction
- 0 ... 260 l/min
- Standard nominal flow rate in non-return direction
- 130 ... 230 l/min
- Working pressure
- 0.2 ... 10 bar
- Ambient temperature
- -10 ... 60 °C
- Operating medium
- Dried compressed air, lubricated or unlubricated
- Assembly position
- Any
- Standard flow rate in direction of flow control: 6 -> 0 bar
- 0 ... 325 l/min
- Standard flow rate in blocked direction: 6 -> 0 bar
- 300 ... 410 l/min
- Storage temperature
- -10 ... 40 °C
- Medium temperature
- -10 ... 60 °C
- Max. tightening torque
- 3 Nm
- Product weight
- 10 g
- Materials note
- Free of copper and PTFE
- Materials information for seals
- NBR
- Material information, rotary knob
- PA-reinforced
- Material information, hollow bolt
- Wrought Aluminum alloy | Anodized
- Release ring material data
- POM
- Swivel joint material data
- PA-reinforced
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 549155. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.