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
Reference imageConfirm configuration by manufacturer part number.
Festo
190869
Shut-off valve HE-3-1/4-QS-5/16-U
The Festo 190869 is a 3/2-way bistable industrial component featuring manual actuation and a piston gate valve structural design with direct control. It provides a normal nominal flow rate of 423.9 l/min through a 3.5 mm nominal width, supporting an operating pressure range of -0.95 bar to 10 bar using compressed air as per ISO 8573-1:2010 [7:-:-]. Housed in reinforced PBT with a soft sealing principle and corrosion resistance class 2, this unit accommodates 1/4 NPT and QS-5/16 pneumatic connections with alternative mounting via through-hole or thread in any position. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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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
- 190869
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 190869.
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
- 3/2-way, bistable
- Selection of additional function
- with exhaust function
- Pneumatic connection 1
- 1/4 NPT
- Pneumatic connection 2
- QS-5/16
- Actuation type
- Manual
- Type of mounting
- Alternatively: | Direct mounting via through-hole | Direct fastening via thread
- Normal nominal ow rate (normalized to DIN 1343)
- 423.9 l/min
- Nominal width
- 3.5 mm
- Operating pressure
- -0.095 MPa...1 MPa | -0.95 bar...10 bar
- Ambient temperature
- 0 °C...60 °C
- Housing material
- PBT-reinforced
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:-:-]
- Exhaust air function
- Cannot be throttled
- Sealing principle
- Soft
- Mounting position
- Any
- Structural design
- Piston gate valve
- Type of control
- directly
- Flow direction
- Non-reversible
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- 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
- 0 °C...60 °C
- Product weight
- 36 g
- Pneumatic connection 3
- Not ducted
- Material of screwed plug
- Brass, nickel-plated
- Note on materials
- RoHS compliant
- Seals material
- NBR
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 190869. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.