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Festo
531783
Pressure regulator MS4N-LRB-1/4-D6-VS-AS-Z
The Festo 531783 is an industrial component from the MS series, size 4, featuring a directly-controlled diaphragm regulator design with a looped-through compressed air supply and a rotary knob actuator lock with an integrated lock. This component provides a constant output pressure with secondary exhaust and return flow, operating within a pressure control range of 0.3 to 7 bar and an inlet pressure 1 of 0.8 to 14 bar with a standard nominal flow rate of 1,700 l/min using compressed air. Constructed with an aluminum die cast subbase that is free of copper and PTFE, the unit weighs 222 g, has a CRC of 2, and accommodates ambient, medium, and storage temperatures from -10 to 60 °C with installation options including line installation, front panel installation, or mounting with accessories. Submit the exact part number, quantity, and application requirements for a quote.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 531783
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 531783.
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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 | with looped-through compressed air supply
- Controller function
- Output pressure constant | with secondary exhaust | with return flow
- Pressure control range
- 0.3 ... 7 bar
- Inlet pressure 1
- 0.8 ... 14 bar
- Max. pressure hysteresis
- 0.25 bar
- Standard nominal flow rate
- 1,700 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
- 222 g
- Mounting type
- with accessories | Optional | Front panel installation | Line installation
- Pneumatic connection, port
- 2 NPT1/4-18
- Materials note
- Free of copper and PTFE
- 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 531783. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.