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Festo
531425
Pressure regulator MS4N-LR-1/8-D6-AS-Z
The Festo 531425 is an MS series size 4 industrial component featuring a directly-controlled diaphragm regulator with a rotary knob actuator lock and an integrated pressure gauge. Operating with compressed air across an inlet pressure range of 0.8 to 14 bar, it delivers a constant output pressure within a 0.3 to 7 bar control range at a standard nominal flow rate of 1,150 l/min. This unit weighs 225 g, incorporates an aluminum die cast subbase, features 2 NPT1/8-27 pneumatic connection ports, and supports any assembly position with optional front panel or line installation. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 531425
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 531425.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- 4
- Series
- MS
- Actuator lock
- Rotary knob with integrated lock
- Assembly position
- Any
- Design structure
- directly-controlled diaphragm regulator
- Controller function
- Output pressure constant | with secondary exhaust | with return flow
- Pressure gauge
- with pressure gauge
- Pressure control range
- 0.3 ... 7 bar
- Inlet pressure 1
- 0.8 ... 14 bar
- Max. pressure hysteresis
- 0.25 bar
- Standard nominal flow rate
- 1,150 l/min
- Operating medium
- Compressed air
- Corrosion resistance classification CRC
- 2
- Storage temperature
- -10 ... 60 °C
- Medium temperature
- -10 ... 60 °C
- Ambient temperature
- -10 ... 60 °C
- Product weight
- 225 g
- Mounting type
- with accessories | Optional | Front panel installation | Line installation
- Pneumatic connection, port
- 2 NPT1/8-27
- Materials information for subbase
- Aluminum die cast
- Materials information for control panel
- POM | PA
- Materials information for seals
- NBR
- Materials information, housing
- Aluminum die cast
- Materials information for membrane
- NBR
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 531425. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.