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.
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Festo
8990
Finger lever valve THO-3-1/4-B
Engineered by Festo, the part number 8990 is a directly controlled 3/2-way monostable open industrial component featuring a plate seat structural design with a 7 mm nominal width and G1/4 pneumatic working ports for connections 1, 2, and 3. Constructed with a die-cast aluminum housing and NBR seals, this valve supports an operating pressure range of -0.95 bar to 10 bar, a normal nominal flow rate of 600 l/min normalized to DIN 1343, and VDMA24364-B1/B2-L LABS conformity. The unit weighs 210 g, operates within an ambient temperature range of -10 °C to 60 °C, requires an actuating force of 22.5 N, and mounts via a through-hole. Please 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
- 8990
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 8990.
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, monostable, open
- Normal nominal ow rate (normalized to DIN 1343)
- 600 l/min
- Pneumatic working port
- G1/4
- Operating pressure
- -0.95 bar...10 bar
- Structural design
- Plate seat
- Nominal width
- 7 mm
- Type of control
- directly
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Ambient temperature
- -10 °C...60 °C
- Actuating force
- 22.5 N
- Product weight
- 210 g
- Type of mounting
- With through-hole
- Pneumatic connection 1
- G1/4
- Pneumatic connection 2
- G1/4
- Pneumatic connection 3
- G1/4
- Seals material
- NBR
- Housing material
- Die-cast aluminum
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 8990. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.