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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.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Festo
539979
Diaphragm air dryer MS4N-LDM-1/4-RD-P2-Z
The Festo 539979 is an MS-series size 4 membrane dryer featuring a vertical assembly position within +/- 5 degrees and an integrated metal shell bowl guard. Constructed with an aluminium die-cast housing and a wrought aluminium alloy bowl, this component operates with an inlet pressure of 3 to 8.5 bar, a standard nominal flow rate of 100 l/min, and a pressure dew-point reduction of 13 degrees Celsius. It processes an operating medium of air quality class 1:7:2 to DIN ISO 8573-1 across medium and ambient temperatures ranging from 5 to 55 degrees Celsius, while utilizing 2 NPT1/4-18 pneumatic connection ports and weighing 640 g. Submit the exact part number, quantity, and application requirements for an RFQ.
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Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 539979
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 539979.
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
- Assembly position
- Vertical +/- 5°
- Design structure
- Membrane dryer
- Bowl guard
- integrated as metal shell
- Inlet pressure 1
- 3 ... 8.5 bar
- Standard nominal flow rate
- 100 l/min
- Operating medium
- Air quality class 1:7:2 to DIN ISO 8573-1
- Pressure dew-point reduction
- 13 °C
- Corrosion resistance classification CRC
- 2
- Storage temperature
- -20 ... 55 °C
- Medium temperature
- 5 ... 55 °C
- Ambient temperature
- 5 ... 55 °C
- Product weight
- 640 g
- Mounting type
- Optional | Line installation | with accessories
- Pneumatic connection, port
- 2 NPT1/4-18
- Materials information, housing
- Aluminium die cast
- Materials information for bowl
- Wrought Aluminium alloy
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 539979. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.