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
9157
Stem actuated valve VO-3-1/4-B
The Festo 9157 is a 3/2-way monostable open industrial component utilizing a direct plate seat structural design with mechanical actuation. Featuring a G1/4 pneumatic working port, connection 1, connection 2, and connection 3, it delivers a normal nominal flow rate of 600 l/min across an operating pressure range of -0.95 bar to 10 bar. Constructed with a die-cast aluminum housing, NBR seals, and through-hole mounting, this 130 g unit requires an actuating force of 128 N and is certified for ATEX Zone 1, Zone 2, Zone 21, and Zone 22 environments within an ambient temperature range of -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements for a 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
- 9157
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 9157.
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
- Actuation type
- Mechanical
- 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
- Explosion prevention and protection
- Zone 1 (ATEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 22 (ATEX)
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Ambient temperature
- -10 °C...60 °C
- Actuating force
- 128 N
- Product weight
- 130 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 9157. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.