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Products/Festo/564842
Festo 564842 One-way flow control valve GRLA-10-32-UNF-QB-1/4-U
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Festo

564842

One-way flow control valve GRLA-10-32-UNF-QB-1/4-U

The Festo part number 564842 is an industrial component featuring an exhaust air flow control non-return function with manual actuation via a slotted screw. This screw-in unit includes a QB-1/4 pneumatic connection 1, a 10-32 UNF-2A pneumatic connection 2, and nickel-plated brass screwed plug material with a max tightening torque of 1.1 ft-lbf. It operates within a temperature range of 32 °F to 140 °F and an operating pressure range of -13.8 psi to 116 psi using compressed air as per ISO 8573-1:2010 [7:4:4]. Submit the exact part number, quantity, and application requirements for a quote.

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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.

Manufacturer
Festo
Part number
564842
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 564842.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Valve function
Exhaust air ow control non-return function
Pneumatic connection 1
QB-1/4
Pneumatic connection 2
10-32 UNF-2A
Actuation type
Manual
Adjusting element
Slotted screw
Type of mounting
Screw-in | With external thread
Standard nominal ow rate in ow control direction
10.1 cfm
Standard nominal ow rate in non-return direction
7.77 cfm...10.3 cfm
Ambient temperature
32 °F...140 °F
Mounting position
Any
Operating pressure for entire temperature range
-13.8 psi...116 psi
Standard ow rate in ow control direction 6 -> 0 bar
17.5 cfm
Standard ow rate in non-return direction at 6 -> 0 bar
17.6 cfm...18.4 cfm
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 Zone III
Temperature of medium
32 °F...140 °F
Max. tightening torque
1.1 ft-lbf
Product weight
0.38 oz
Material of screwed plug
Brass | Nickel-plated
Note on materials
RoHS compliant
Seals material
NBR
Hollow bolt material
Brass | Nickel-plated
Releasing ring material
POM

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

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 564842. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.