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Products/Festo/534683
Festo 534683 One-way flow control valve GR-QB-5/16-U
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Festo

534683

One-way flow control valve GR-QB-5/16-U

The Festo 534683 is a one-way flow control industrial component featuring manual actuation via a slotted screw and dual QB-5/16 pneumatic connections. Built with a PBT-reinforced housing and nickel-plated brass screwed plug, this part supports a standard nominal flow rate of 35.9 cfm in the flow control direction and operates within a pressure range of -13.8 psi to 116 psi using compressed air as per ISO 8573-1:2010 [7:4:4]. It weighs 1.5 oz, accommodates any mounting position through in-line installation or a through-hole, and functions within an ambient and medium temperature range of 32 °F to 140 °F. Submit the exact part number, quantity, and application requirements to receive a formal 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
534683
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 534683.
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
One-way ow control function
Pneumatic connection 1
QB-5/16
Pneumatic connection 2
QB-5/16
Actuation type
Manual
Adjusting element
Slotted screw
Type of mounting
Alternatively: | In-line installation | With through-hole
Standard nominal ow rate in ow control direction
35.9 cfm
Standard nominal ow rate in non-return direction
25.6 cfm...36.4 cfm
Operating pressure
-13.8 psi...116 psi
Ambient temperature
0 °C...60 °C
Housing material
PBT-reinforced
Mounting position
Any
Standard ow rate in ow control direction 6 -> 0 bar
60.6 cfm
Standard ow rate in non-return direction at 6 -> 0 bar
62 cfm...62.4 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
Product weight
1.5 oz
Material of screwed plug
Brass | Nickel-plated
Note on materials
RoHS compliant
Seals material
NBR
Releasing ring material
POM
Knurled head material
Brass

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 534683. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.