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Products/Festo/151549
Festo 151549 One-way flow control valve GRLA-1/4-NPT-3/8-B
Reference imageConfirm configuration by manufacturer part number.

Festo

151549

One-way flow control valve GRLA-1/4-NPT-3/8-B

The Festo 151549 is a one-way flow control valve designed for exhaust air applications featuring a 2 NPT1/4-18 pneumatic connection port and a slotted head screw adjusting element. This threaded component operates within a working pressure range of 0.3 to 10 bar and handles an ambient and medium temperature range of -10 to 60 °C. It is compatible with filtered unlubricated or lubricated compressed air utilizing a 40 µm filtration level. 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
151549
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 151549.
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 flow control function for exhaust air
Pneumatic connection, port
2 NPT1/4-18
Adjusting element
Slotted head screw
Mounting type
Threaded
Working pressure
0.3 ... 10 bar
Ambient temperature
-10 ... 60 °C
Operating medium
Filtered, unlubricated compressed air, 40 µm filtration | Filtered, lubricated compressed air, 40 µm filtration
Medium temperature
-10 ... 60 °C

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 151549. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.