193138

Name: Festo 193138 One-way flow control valve GRLA-M5-QS-4-D
Brand: Festo

One-way flow control valve GRLA-M5-QS-4-D

The Festo part number 193138 is an industrial component featuring an exhaust air flow control non-return function, a QS-4 pneumatic connection 1, and an M5 pneumatic connection 2. This screw-in component utilizes a slotted screw adjusting element, operates within an ambient and medium temperature range of -10 °C to 60 °C, and maintains an operating pressure of 0.2 bar to 10 bar across the entire temperature range. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 193138
Data verification: Manufacturer evidence reviewed

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Technical Specifications

Valve function: Exhaust air ow control non-return function
Pneumatic connection 1: QS-4
Pneumatic connection 2: M5
Adjusting element: Slotted screw
Type of mounting: Screw-in
Standard nominal ow rate in ow control direction: 110 l/min
Standard nominal ow rate in non-return direction: 65 l/min...110 l/min
Ambient temperature: -10 °C...60 °C
Maritime classication: See certicate
Mounting position: Any
Operating pressure for entire temperature range: 0.2 bar...10 bar
Standard ow rate in ow control direction 6 -> 0 bar: 165 l/min
Standard ow rate in non-return direction at 6 -> 0 bar: 140 l/min...160 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-B1/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 tightening torque: 0.8 Nm
Tolerance for nominal tightening torque: ±10%
Product weight: 13 g
Material of screwed plug: Brass
Note on materials: RoHS compliant
Seals material: NBR
Releasing ring material: POM
Material of adjusting screw: Brass

Engineering context

Identification and RFQ Guidance

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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.

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Technical verification

Our sourcing response is prepared against Festo 193138. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.