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Festo
531420
Pressure regulator MS4N-LR-1/4-D5-AS-Z
The Festo 531420 is an industrial component featuring a directly-controlled diaphragm regulator design from the MS series in size 4, equipped with a rotary knob with an integrated lock and a pressure gauge. It operates within an inlet pressure range of 0.8 to 14 bar to deliver a constant output pressure of 0.3 to 4 bar with a standard nominal flow rate of 2,100 l/min using compressed air as the operating medium. Constructed with an aluminum die-cast subbase and a corrosion resistance classification of CRC 2, this part weighs 225 g and supports any assembly position via line installation, front panel installation, or optional accessories with NPT1/4-18 pneumatic connections. 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
- 531420
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 531420.
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 ... 4 bar
- Inlet pressure 1
- 0.8 ... 14 bar
- Max. pressure hysteresis
- 0.25 bar
- Standard nominal flow rate
- 2,100 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 NPT1/4-18
- 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 531420. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.