151166

Name: Festo 151166 One-way flow control valve GRLA-1/8-PK-3-B
Brand: Festo

One-way flow control valve GRLA-1/8-PK-3-B

The Festo 151166 is an industrial component featuring an exhaust air flow control non-return function with a PK-3 union nut pneumatic connection 1 and a G1/8 pneumatic connection 2. Featuring a slotted screw adjusting element for screw-in mounting, it operates within an ambient and medium temperature range of -10 °C to 60 °C and an operating pressure range of 0.3 bar to 10 bar. This unit delivers a standard nominal flow rate of 110 l/min in the flow control direction and 100 l/min to 110 l/min in the non-return direction, while supporting ATEX explosion protection for Zones 1, 2, 21, and 22. Submit the exact part number, quantity, and application requirements to request a quote.

Request pricing and availabilityCommercial response within one business day for your destination and required quantity.

Request a Quote

Why no listed price?

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: 151166
Data verification: Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to 151166.

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: PK-3 with union nut
Pneumatic connection 2: G1/8
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: 100 l/min...110 l/min
Ambient temperature: -10 °C...60 °C
Maritime classication: See certicate
Explosion prevention and protection: Observe the information on the certicate | Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
Mounting position: Any
Operating pressure for entire temperature range: 0.3 bar...10 bar
Standard ow rate in ow control direction 6 -> 0 bar: 162 l/min
Standard ow rate in non-return direction at 6 -> 0 bar: 145 l/min...165 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
Max. tightening torque: 6 Nm
Product weight: 22 g
Material of screwed plug: Wrought aluminum alloy
Note on materials: RoHS compliant

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 151166. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.