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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
525143
Air solenoid valve MHP3-MS1H-3/2G-QS-6
The Festo 525143 is an electrical 3/2-way closed monostable industrial component featuring a pressure relief poppet valve design, a nominal width of 3 mm, and an overall width of 14 mm. It delivers a normal nominal flow rate of 200 l/min through QS-6 pneumatic working ports, operating at a voltage of 24V DC and a pressure range of -0.09 MPa to 0.8 MPa. Equipped with a mechanical spring reset, soft sealing principle, adjustable exhaust air function, and non-detenting manual override, the unit provides IP65 protection in any mounting position. Submit the exact part number, quantity, and application requirements to receive a formal quotation for this certified component.
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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
- 525143
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 525143.
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
- 14 mm
- Normal nominal ow rate (normalized to DIN 1343)
- 200 l/min
- Pneumatic working port
- QS-6
- Operating voltage
- 24V DC
- Operating pressure
- -0.09 MPa...0.8 MPa | -0.9 bar...8 bar | -13.05 psi...116 psi
- Structural design
- Pressure relief poppet valve
- Reset method
- Mechanical spring
- Degree of protection
- IP65
- Certication
- RCM compliance mark | c UL us - recognized (OL)
- CE marking (see declaration of conformity)
- As per EU EMC directive | As per EU RoHS directive
- UKCA marking (see declaration of conformity)
- To UK instructions for EMC | To UK RoHS instructions
- Nominal width
- 3 mm
- Width dimension
- 19 mm
- Note on grid dimension
- Minimum distance between the valves is 5 mm
- Exhaust air function
- Adjustable
- Sealing principle
- Soft
- Mounting position
- Any
- Manual override
- Non-detenting
- Type of control
- directly
- Flow direction
- Reversible with restrictions
- Lap
- Negative overlap
- Reverse polarity protection
- Bipolar
- Additional functions
- Spark arresting | Holding current reduction | Protective circuit
- Operating pressure, reversible
- -0.09 MPa...0.1 MPa | -0.9 bar...1 bar
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 525143. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.