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
7959
Air solenoid valve MFH-3-1/4-S
The Festo part number 7959 is a piloted 3/2-way closed, monostable industrial component featuring a plate seat structural design with a soft sealing principle and a nominal width of 7 mm. This electrical component delivers a normal nominal flow rate of 800 l/min through G1/4 pneumatic working ports, operating within a pressure range of -0.095 MPa to 1 MPa (-0.95 bar to 10 bar). It includes an adjustable exhaust air function, a detenting manual override, an external pilot air supply port, and a mechanical spring reset method, all housed in an IP65-rated body with c UL us recognition. 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
- 7959
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 7959.
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, closed, monostable
- Actuation type
- Electrical
- Width
- 30.5 mm
- Normal nominal ow rate (normalized to DIN 1343)
- 800 l/min
- Pneumatic working port
- G1/4
- Operating voltage
- Via solenoid coil, to be ordered separately
- Operating pressure
- -0.095 MPa...1 MPa | -0.95 bar...10 bar
- Structural design
- Plate seat
- Reset method
- Mechanical spring
- Certication
- c UL us - recognized (OL)
- Degree of protection
- IP65
- Nominal width
- 7 mm
- Width dimension
- 32 mm
- Exhaust air function
- Adjustable
- Sealing principle
- Soft
- Mounting position
- Any
- Manual override
- Detenting
- Type of control
- Piloted
- Pilot air supply port
- External
- Flow direction
- Reversible
- Lap
- Negative overlap
- Pilot pressure MPa
- 0.1 MPa...0.8 MPa
- Pilot pressure
- 1 bar...8 bar
- Switching time off
- 29 ms
- On switching time
- 10 ms
- Max. positive test pulse with 0 signal
- 2200 µs
- Max. negative test pulse on 1 signal
- 3700 µs
- Coil characteristics
- See solenoid coil, to be ordered separately
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4]
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- Corrosion resistance class (CRC)
- 1 - Low corrosion stress
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 7959. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.