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Festo
3877
Whisker valve FVSO-3-1/8
The Festo part number 3877 is a mechanical 3/2-way monostable open industrial component featuring a plate seat structural design, soft sealing principle, and G1/8 pneumatic working port. This piloted valve operates within a pressure range of 0.35 MPa to 0.8 MPa (3.5 bar to 8 bar), delivers a normal nominal flow rate of 175 l/min, and utilizes an adjustable exhaust air function with internal pilot air supply. It is rated for a corrosion resistance class of 2 with moderate corrosion stress and requires compressed air meeting ISO 8573-1:2010 [-:-:-] standards, where oil lubrication is possible and required for further use. Submit your exact part number, quantity, and application requirements to receive a formal quotation for this component.
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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
- 3877
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 3877.
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)
- 175 l/min
- Pneumatic working port
- G1/8
- Operating pressure
- 0.35 MPa...0.8 MPa | 3.5 bar...8 bar
- Structural design
- Plate seat
- Reset method
- Mechanical spring
- Nominal width
- 3.5 mm
- Exhaust air function
- Adjustable
- Sealing principle
- Soft
- Mounting position
- Any
- Type of control
- Piloted
- Pilot air supply port
- Internal
- Flow direction
- Non-reversible
- Pilot medium
- Compressed air as per ISO 8573-1:2010 [-:-:-]
- Note on forced dynamization
- Switching frequency min. 1/year
- Operating medium
- Compressed air as per ISO 8573-1:2010 [-:-:-]
- 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
- Temperature of medium
- -10 °C...60 °C
- Ambient temperature
- -10 °C...60 °C
- Product weight
- 130 g
- Type of mounting
- With through-hole
- Pneumatic connection 1
- G1/8
- Pneumatic connection 2
- G1/8
- Pneumatic connection 3
- G1/8
- Note on materials
- RoHS compliant
- Seals material
- NBR
- Housing material
- Aluminum | Anodized
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 3877. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.