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Festo
555623
Stem actuated valve VMEM-STCZ-M32U-M-G18
The Festo 555623 is a 20 mm wide mechanical industrial component featuring a 3/2 open, monostable valve function with a poppet seat design and a nominal size of 4 mm. It delivers a standard nominal flow rate of 500 l/min across a working pressure range of -0.95 to 8 bar, utilizing an external pilot air supply with a pilot pressure of 4.5 to 8 bar. Operating within a medium and ambient temperature range of -10 to 60 °C, the unit requires an actuating force of 15.5 N and withstands a maximum force on the actuator of 80 N at a switching frequency up to 3 Hz. Submit the exact part number, quantity, and application requirements to request a quote for this component.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 555623
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 555623.
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Verified configuration
Technical Specifications
- Valve function
- 3/2 open, monostable
- Type of actuation
- mechanical
- Width
- 20 mm
- Standard nominal flow rate
- 500 l/min
- Working pressure
- -0.95 ... 8 bar
- Design structure
- Poppet seat
- Type of reset
- mechanical spring
- Nominal size
- 4 mm
- Instructions for use
- Do not use as mechanical stop
- Type of piloting
- Piloted
- Pilot air supply
- external
- Pilot pressure
- 4.5 ... 8 bar
- Max. switching frequency
- 3 Hz
- Operating medium
- Compressed air in accordance with ISO8573-1:2010 [7:-:-]
- Note on operating and pilot medium
- Lubricated operation possible (subsequently required for further | operation)
- Corrosion resistance classification CRC
- 2 - Moderate corrosion stress
- Medium temperature
- -10 ... 60 °C
- Ambient temperature
- -10 ... 60 °C
- Actuating force
- 15.5 N
- Max. force on actuator
- 80 N
- Product weight
- 152 g
- Mounting type
- with through hole
- Pneumatic connection, port
- 3 G1/8
- Materials note
- Conforms to RoHS
- Material cover
- POM
- Material seals
- NBR
- Material housing
- Wrought Aluminum alloy | Anodized
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 555623. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.