8988

Name: Festo 8988 Foot valve FO-3-1/4-B
Brand: Festo

Foot valve FO-3-1/4-B

The Festo part number 8988 is a directly controlled, 3/2-way monostable open industrial component utilizing a plate seat structural design with a mechanical spring reset. Featuring a normal nominal flow rate of 600 l/min, a nominal width of 7 mm, and G1/4 pneumatic working ports, this manual actuator operates within a pressure range of -0.95 bar to 10 bar using compressed air according to ISO 8573-1:2010 [7:4:4]. The unit weighs 595 g, requires a 55 N actuating force, offers any mounting position via through-hole installation, and complies with VDMA24364-B1/B2-L LABS conformity across ambient temperatures from -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements to request 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: 8988
Data verification: Manufacturer evidence reviewed

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Verified configuration

Technical Specifications

Valve function: 3/2-way, monostable, open
Actuation type: Manual
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
Reset method: Mechanical spring
Nominal width: 7 mm
Mounting position: Any
Type of control: directly
Flow direction: Non-reversible
Operating medium: Compressed air as per ISO 8573-1:2010 [7:4:4]
LABS (PWIS) conformity: VDMA24364-B1/B2-L
Ambient temperature: -10 °C...60 °C
Actuating force: 55 N
Product weight: 595 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

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 8988. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.