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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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Festo
190953
One-way flow control valve GRLA-1/2-NPT-QS-1/2-U
The Festo 190953 is an industrial one-way flow control valve featuring a NPT1/2-14 pneumatic connection and a knurled screw adjusting element. This component delivers a standard nominal flow rate of 1,178 l/min in the flow control direction and 573 l/min in the non-return direction across an operating pressure range of 1 to 9 bar. Built with a PBT-reinforced housing, brass screw-in stud, and POM release ring, the 108 g unit operates with filtered lubricated or unlubricated compressed air at ambient and medium temperatures between 0 and 60 °C in any assembly position. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy 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
- 190953
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 190953.
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
- Pneumatic connection, port
- 2 NPT1/2-14
- Adjusting element
- Knurled screw
- Standard nominal flow rate in flow control direction
- 1,178 l/min
- Standard nominal flow rate in non-return direction
- 573 l/min
- Working pressure
- 1 ... 9 bar
- Ambient temperature
- 0 ... 60 °C
- Materials information, housing
- PBT-reinforced
- Operating medium
- Compressed air, filtered, unlubricated | Filtered, lubricated air
- Assembly position
- Any
- Medium temperature
- 0 ... 60 °C
- Product weight
- 108 g
- Materials information for screw-in stud
- Brass
- Release ring material data
- POM
Engineering context
Identification and RFQ Guidance
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 190953. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.