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Festo
550491
Air preparation combination unit MSB4N-1/4:J1D7A1-WP
The Festo part number 550491 is an industrial component of the MS series in size 4, featuring a structural design comprised of a branching module, an on/off valve, a filter regulator with a pressure gauge, and a standard mist lubricator. It operates within a pressure range of 4.5 bar to 10 bar, providing a regulation range of 4 bar to 9 bar and a normal nominal flow rate of 750 l/min using compressed air as per ISO 8573-1:2010 [-:4:-] or inert gases. Equipped with a manual rotating condensate drain, a 40 µm filtration grade, and a rotary knob actuator lock with detent that can be closed with accessories, this unit maintains constant output pressure with primary pressure compensation, secondary exhausting, and return flow characteristics. Submit the exact part number, quantity, and application requirements to request a quote.
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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
- 550491
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 550491.
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
- Actuator lock
- Rotary knob with detent | can be closed with accessories
- Mounting position
- Vertical ±5°
- Grade of ltration
- 40 µm
- Condensate drain
- Manual, rotating
- Structural design
- Branching module | On/off valve | Filter regulator with pressure gauge | Standard mist lubricator
- Controller function
- Constant output pressure | With primary pressure compensation | With secondary exhausting | With return ow characteristic
- Bowl guard
- Plastic bowl guard
- Pressure gauge
- with pressure gauge
- Operating pressure
- 4.5 bar...10 bar
- Pressure regulation range
- 4 bar...9 bar
- Normal nominal ow rate (normalized to DIN 1343)
- 750 l/min
- Coil characteristics
- 24 V DC: 1.8 W
- Operating medium
- Compressed air as per ISO 8573-1:2010 [-: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
- LABS (PWIS) conformity
- VDMA24364-B2-L
- Storage temperature
- -10 °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 [7:4:4]
- Temperature of medium
- -10 °C...50 °C
- Ambient temperature
- -10 °C...50 °C
- Product weight
- 1600 g
- Type of mounting
- With accessories
- Pneumatic connection 1
- 1/4 NPT
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 550491. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.