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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Festo
193967
One-way flow control valve GR-QS-4
The Festo part number 193967 is an industrial component featuring a one-way flow control function with QS-4 pneumatic connections for both ports 1 and 2. Constructed with a PA-reinforced housing, NBR seals, and a POM releasing ring, this 12 g valve operates within a pressure range of 0.2 bar to 10 bar and ambient temperatures from -10 °C to 60 °C. It provides a standard nominal flow rate of 110 l/min in the flow control direction and 165 l/min in the non-return direction, utilizing a knurled screw adjusting element and supporting front panel, through-hole, or accessory mounting positions in ATEX zones 1, 2, 21, and 22. Submit the exact part number, quantity, and application requirements to receive a formal quote.
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
- 193967
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 193967.
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
- QS-4
- Pneumatic connection 2
- QS-4
- Adjusting element
- Knurled screw
- Type of mounting
- Alternatively: | Front panel mounting | With through-hole | With accessories
- Standard nominal ow rate in ow control direction
- 110 l/min
- Standard nominal ow rate in non-return direction
- 165 l/min
- Operating pressure
- 0.2 bar...10 bar
- Ambient temperature
- -10 °C...60 °C
- Housing material
- PA-reinforced
- Explosion prevention and protection
- Observe the information on the certicate | Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
- Mounting position
- Any
- 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
- Temperature of medium
- -10 °C...60 °C
- Product weight
- 12 g
- Note on materials
- RoHS compliant
- Seals material
- NBR
- Releasing ring material
- POM
- Knurled head material
- PA-reinforced
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 193967. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.