Global industrial sourcing · Houston, Texas info@mropartsrfq.com
Products/Festo/541265
Festo 541265 start valve MS4-EM1-1/8-Z
Reference imageConfirm configuration by manufacturer part number.

Festo

541265

start valve MS4-EM1-1/8-Z

The Festo 541265 is a manual rotary slide valve featuring a 3/2 bistable configuration and direct piloting with a non-throttleable exhaust-air function. Operating at pressures from 0 to 14 bar, this component achieves a standard nominal flow rate of 1,200 l/min using compressed air conforming to ISO8573-1:2010 [7:4:4] or inert gases within a -10 to 60 °C temperature range. Weighing 190 g with G1/4 pneumatic connections, the RoHS-compliant assembly supports optional line installation or mounting with accessories in any position. Submit the exact part number, quantity, and application requirements to request a quote.

Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a Quote
Why 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
541265
Data verification
Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to 541265.
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 ... 14 bar
C value
4.6 l/sbar
b value
0.51
Standard nominal flow rate
1,200 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
190 g
Pneumatic connection, port
3 G1/4
Materials information for seals
TPE-U(PU)
Materials information, housing
Aluminum die cast

Engineering context

Identification and RFQ Guidance

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.

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 541265. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.