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Festo
541279
On/off valve MS6-EM1
The Festo 541279 is a manually actuated 3/2-way bistable rotary vane industrial component featuring direct control and an unthrotttable exhaust air function. It operates within a pressure range of 0 bar to 18 bar, delivering a normal nominal flow rate from 3000 l/min to 8700 l/min using compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases. Certified for Zone 1, Zone 2, Zone 21, and Zone 22 with ATEX and UKEX compliance, it features a moderate corrosion resistance class of CRC 2 and operates in temperatures from -10 °C to 60 °C. Submit the exact part number, quantity, and application requirements to request a quote for this component.
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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
- 541279
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 541279.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Structural design
- Rotary vane
- Actuation type
- Manual
- Exhaust air function
- Cannot be throttled
- Type of control
- directly
- Valve function
- 3/2-way, bistable
- Operating pressure
- 0 bar...18 bar
- Normal nominal ow rate (normalized to DIN 1343)
- 3000 l/min...8700 l/min
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:4:4] | Inert gases
- Information on operating and pilot media
- Operation with oil lubrication possible (required for further use)
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- Note on materials
- RoHS compliant
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Temperature of medium
- -10 °C...60 °C
- Ambient temperature
- -10 °C...60 °C
- 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
- -10°C <= Ta <= +60°C
- For use in the food industry
- See supplementary material information
- Type of mounting
- Alternatively: | In-line installation
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 541279. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.