525185

Name: Festo 525185 Solenoid valve MHP4-MS1H-3/2G-QS-8-K
Brand: Festo

Solenoid valve MHP4-MS1H-3/2G-QS-8-K

The Festo 525185 is an 18 mm electrical industrial component featuring a 3/2 closed, monostable valve function with direct piloting and a pressure-relieved poppet valve design structure. It delivers a standard nominal flow rate of 400 l/min across a working pressure range of -0.9 to 8 bar, incorporating a mechanical spring reset, soft sealing principle, and a maximum switching frequency of 210 Hz with an IP65 protection class. Certified as c UL us - Recognized (OL), this unit supports throttleable exhaust-air functions, reversible flow with restrictions, and features a pushing manual override for any assembly position. Submit the exact part number, quantity, and application requirements to request a formal quote for this component.

Request pricing and availabilityCommercial response for your destination and required quantity.

Request a Quote

Manufacturer: Festo
Part number: 525185
Data verification: Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to 525185.

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 closed, monostable
Type of actuation: electrical
Width: 18 mm
Standard nominal flow rate: 400 l/min
Working pressure: -0.9 ... 8 bar
Design structure: Pressure-relieved poppet valve
Type of reset: mechanical spring
Protection class: IP65
Authorization: c UL us - Recognized (OL)
Nominal size: 4 mm
Grid dimension: 24 mm
Exhaust-air function: throttleable
Sealing principle: soft
Assembly position: Any
Manual override: Pushing
Type of piloting: direct
Flow direction: reversible with restrictions
Working pressure, reversible: -0.9 ... 0 bar
Maximum switching frequency: 210 Hz
Switching time off: 3.5 ms
Switching time on: 3.5 ms
Tolerance for Switching time OFF: +10%/-40%
Tolerance for Switching time ON: +10%/-30%
Measuring of the switching time at 1 Hz and above: 0.3 ms
Duty cycle: 100%
Characteristic coil data: 24 V DC: low current phase: 2.125 W, high current phase: 8.5 W
Permissible voltage fluctuation: +/- 10 %
Operating medium: Filtered, unlubricated compressed air, 40 µm filtration | Filtered, lubricated compressed air, 40 µm filtration
CE symbol (see declaration of conformity): according to EU-EMV guideline
Corrosion resistance classification CRC: 2
Medium temperature: -5 ... 40 °C
Ambient temperature: -5 ... 40 °C
Product weight: 270 g
Electrical connection: Cable
Cable length: 2.5 m
Mounting type: On PR manifold
Pneumatic connection, port: 3 Subbase
Materials note: Free of copper and PTFE
Materials information for seals: HNBR | NBR
Materials information, housing: Zinc die-casting | coated
Materials information, cable sheaths: PUR
Screw material data: Steel | Galvanized

Engineering context

Identification and RFQ Guidance

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.

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 525185. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.