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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
536191
Air solenoid valve MFH-3-3/4-S-EX
The Festo 536191 is a 3/2-way closed monostable industrial component featuring a 68 mm width, 19 mm nominal width, and a G3/4 pneumatic working port with an adjustable exhaust air function. Operating within a pressure range of -0.95 bar to 10 bar, this plate seat valve achieves a normal nominal flow rate of 7500 l/min and utilizes a mechanical spring reset alongside an electrical actuation type via a separately ordered solenoid coil. Certified with IP65 protection and ATEX, UKCA, and EPL approvals for explosive gas and dust environments ranging from -5°C to +40°C, it integrates specific ignition protection ratings for demanding hazardous locations. 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
- 536191
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 536191.
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
- 68 mm
- Normal nominal ow rate (normalized to DIN 1343)
- 7500 l/min
- Pneumatic working port
- G3/4
- 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
- CE marking (see declaration of conformity)
- as per EU explosion protection directive (ATEX)
- Explosion protection certication outside the EU
- EPL Db (GB) | EPL Gb (GB)
- UKCA marking (see declaration of conformity)
- acc. to UK EX instructions
- ATEX category gas
- II 2G
- ATEX category for dust
- II 2D
- Type of ignition protection for gas
- Ex h IIC T4 Gb
- Type of (ignition) protection for dust
- Ex h IIIC T130°C Db
- Explosive ambient temperature
- -5°C <= Ta <= +40°C
- Degree of protection
- IP65
- Nominal width
- 19 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
- 32 ms
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 536191. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.