151547

Name: Festo 151547 One-way flow control valve GRLA-1/4-NPT-B
Brand: Festo

One-way flow control valve GRLA-1/4-NPT-B

The Festo part number 151547 is an industrial component featuring an exhaust air flow control non-return function with an internal thread 1/4 NPT pneumatic connection 1 and an external thread 1/4 NPT pneumatic connection 2. It utilizes a slotted screw adjusting element for screw-in mounting, offering a standard nominal flow rate in the flow control direction of 610 l/min and an operating pressure range from 0.3 bar to 10 bar across an ambient temperature of -10 °C to 60 °C. Constructed with a wrought aluminum alloy screwed plug and RoHS compliance, this component operates with ISO 8573-1:2010 [7:4:4] compressed air and supports oil lubrication. Submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer: Festo
Part number: 151547
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Technical Specifications

Valve function: Exhaust air ow control non-return function
Pneumatic connection 1: Internal thread 1/4 NPT
Pneumatic connection 2: external thread 1/4 NPT
Adjusting element: Slotted screw
Type of mounting: Screw-in
Standard nominal ow rate in ow control direction: 610 l/min
Standard nominal ow rate in non-return direction: 450 l/min...820 l/min
Ambient temperature: -10 °C...60 °C
Mounting position: Any
Operating pressure for entire temperature range: 0.3 bar...10 bar
Standard ow rate in ow control direction 6 -> 0 bar: 1200 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
Temperature of medium: -10 °C...60 °C
Nominal width: 6 mm
Max. tightening torque: 11 Nm
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

Engineering context

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Our sourcing response is prepared against Festo 151547. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.