Confirm the exact configuration
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
541278
start valve MS6-EM1-3/8-Z
The Festo 541278 is a 3/2 bistable manual rotary slide valve featuring direct piloting and a standard nominal flow rate of 5,500 l/min with a working pressure range of 0 to 18 bar. This component operates with compressed air meeting ISO8573-1:2010 [7:4:4] or inert gases within a medium and ambient temperature range of -10 to 60 °C, supporting lubricated operation and featuring G1/2 pneumatic connections across three ports. Weighing 580 g with a CRC 2 corrosion resistance classification, it incorporates copper- and PTFE-free materials conforming to RoHS and allows for optional line or accessory mounting in any assembly position. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
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
- 541278
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 541278.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Design structure
- Rotary slide valve
- Type of actuation
- manual
- Exhaust-air function
- not throttleable
- Type of piloting
- direct
- Valve function
- 3/2 bistable
- Working pressure
- 0 ... 18 bar
- C value
- 21.2 l/sbar
- b value
- 0.49
- Standard nominal flow rate
- 5,500 l/min
- Operating medium
- Compressed air in accordance with ISO8573-1:2010 [7:4:4] | Inert gases
- Note on operating and pilot medium
- Lubricated operation possible (subsequently required for further | operation)
- Corrosion resistance classification CRC
- 2
- Materials note
- Free of copper and PTFE | Conforms to RoHS
- Medium temperature
- -10 ... 60 °C
- Ambient temperature
- -10 ... 60 °C
- Mounting type
- Optional | Line installation | with accessories
- Assembly position
- Any
- Flow direction
- non reversible
- Product weight
- 580 g
- Pneumatic connection, port
- 3 G1/2
- Materials information for seals
- TPE-U(PU)
- Materials information, housing
- Aluminum die cast
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 541278. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.