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Festo
531821
Pressure regulator MS6N-LRB-1/2-D6-VS-AS-Z
The Festo 531821 is an industrial component featuring a directly-controlled diaphragm regulator design with a looped-through compressed air supply and a size 6 MS series construction. It operates with a pressure control range of 0.3 to 7 bar, an inlet pressure of 0.8 to 20 bar, and delivers a standard nominal flow rate of 6,300 l/min using compressed air. The unit includes secondary exhaust, initial pressure compensation, constant output pressure regulation, and a maximum pressure hysteresis of 0.25 bar. 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
- 531821
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 531821.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- 6
- Series
- MS
- Actuator lock
- with accessories, lockable
- Design structure
- directly-controlled diaphragm regulator | with looped-through compressed air supply
- Controller function
- Output pressure constant | with initial pressure compensation | with secondary exhaust
- Pressure control range
- 0.3 ... 7 bar
- Inlet pressure 1
- 0.8 ... 20 bar
- Max. pressure hysteresis
- 0.25 bar
- Standard nominal flow rate
- 6,300 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
- 747 g
- Mounting type
- with accessories | Optional | Front panel installation | Line installation
- Pneumatic connection, port
- 2 NPT1/2-14
- Materials note
- Free of copper and PTFE
- 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 531821. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.