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Festo
543638
Membrane air dryer MS6-LDM1
The Festo 543638 is an MS-series size 6 membrane dryer featuring a structural membrane design with a normal nominal flow rate ranging from 200 l/min to 400 l/min and an operating pressure of 3 bar to 12.5 bar. This industrial component requires a vertical ±5° mounting position, operates with compressed air as per ISO 8573-1:2010 [1:4:2] without oil lubrication, provides a 20 K pressure dew point reduction, and features a corrosion resistance class (CRC) of 2. It holds c UL us - recognized (OL) certification along with ATEX, UKEX, and EPL Db/Gb explosion protection certifications for Zones 1, 2, 21, and 22 with an explosive ambient temperature range of +2°C <= Ta <= +50°C. Submit the exact part number, quantity, and application requirements for a quote.
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Request a Quote- Manufacturer
- Festo
- Part number
- 543638
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 543638.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- 6
- Series
- MS
- Mounting position
- Vertical ±5°
- Structural design
- Membrane dryer
- Operating pressure
- 3 bar...12.5 bar
- Normal nominal ow rate (normalized to DIN 1343)
- 200 l/min...400 l/min
- Certication
- c UL us - recognized (OL)
- CE marking (see declaration of conformity)
- as per EU explosion protection directive (ATEX)
- UKCA marking (see declaration of conformity)
- acc. to UK EX instructions
- Explosion protection certication outside the EU
- EPL Db (GB) | EPL Gb (GB)
- Explosion prevention and protection
- Zone 1 (ATEX) | Zone 1 (UKEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 21 (UKEX) | Zone 22 (ATEX)
- ATEX category gas
- II 2G
- ATEX category for dust
- II 2D
- Type of ignition protection for gas
- Ex h IIC T6 Gb X
- Type of (ignition) protection for dust
- Ex h IIIC T60°C Db X
- Explosive ambient temperature
- +2°C <= Ta <= +50°C
- Operating medium
- Compressed air as per ISO 8573-1:2010 [1:4:2]
- Information on operating and pilot media
- Operation with oil lubrication not possible
- Pressure dew point reduction
- 20 K
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Storage temperature
- -20 °C...60 °C
- For use in the food industry
- See supplementary material information
- Air quality class at the output
- Compressed air as per ISO 8573-1:2010 [1:3:2]
- Temperature of medium
- 2 °C...50 °C
- Ambient temperature
- 2 °C...50 °C
- Type of mounting
- Alternatively:
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 543638. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.