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Festo
540661
One-way flow control valve GRLSA-1/8-QS-6
Festo One-way flow control valve GRLSA-1/8-QS-6, part number 540661, is documented in the official Festo United States product data sheet. Review the technical specifications and operating conditions below when requesting a quotation.
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- Festo
- Part number
- 540661
- Data verification
- Manufacturer evidence reviewed
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Verified configuration
Technical Specifications
Identification and family-level technical context are preserved from reviewed source evidence and official English-language manufacturer documentation.
- Valve function
- Exhaust air ow control non-return function
- Pneumatic connection 1
- QS-6
- Pneumatic connection 2
- G1/8
- Actuation type
- Manual
- Adjusting element
- Internal hex
- Type of mounting
- Screw-in
- Standard nominal ow rate in ow control direction
- 0 l/min...250 l/min
- Standard nominal ow rate in non-return direction
- 180 l/min...310 l/min
- Ambient temperature
- -10 °C...60 °C
- Mounting position
- Any
- Operating pressure for entire temperature range
- 0.2 bar...10 bar
- Standard ow rate in ow control direction 6 -> 0 bar
- 0 l/min...410 l/min
- Standard ow rate in non-return direction at 6 -> 0 bar
- 430 l/min...540 l/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
- Cleanroom suitability, measured according to ISO 14644-14
- Class 4 according to ISO 14644-1
- Storage temperature
- -10 °C...40 °C
- Temperature of medium
- -10 °C...60 °C
- Nominal tightening torque
- 3.5 Nm
- Tolerance for nominal tightening torque
- ±20%
- Product weight
- 19.5 g
- Seals material
- NBR
- Hollow bolt material
- Wrought aluminum alloy | Anodized
- Releasing ring material
- POM
- Material of adjusting screw
- PA-reinforced
- Swivel joint material
- Die-cast zinc
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Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
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Our sourcing response is prepared against Festo 540661. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.