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Festo
529820
Pressure build-up valve MS6-DL-1/4-Z
The Festo 529820 is a 2/2 piston seat industrial component featuring direct pneumatic piloting with an external pilot air supply, a mechanical spring reset, and a throttleable exhaust-air function. Engineered for a working pressure range of 4 to 18 bar, this non-reversible valve achieves a standard nominal flow rate of 2,800 l/min with a C value of 11.22 l/sbar and a b value of 0.54. It operates within medium and ambient temperature ranges of -10 to 60 °C, supports compressed air conforming to ISO 8573-1:2010 [7:4:4] or inert gases, and has a CRC corrosion resistance classification of 2 and a product weight of 650 g. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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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
- 529820
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 529820.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Exhaust-air function
- throttleable
- Type of actuation
- pneumatic
- Assembly position
- Any
- Manual override
- None
- Design structure
- Piston seat
- Type of reset
- mechanical spring
- Type of piloting
- direct
- Pilot air supply
- external
- Flow direction
- non reversible
- Valve function
- 2/2
- Working pressure
- 4 ... 18 bar
- b value
- 0.54
- C value
- 11.22 l/sbar
- Standard nominal flow rate
- 2,800 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
- Medium temperature
- -10 ... 60 °C
- Ambient temperature
- -10 ... 60 °C
- Product weight
- 650 g
- Mounting type
- Optional | Line installation | with accessories
- Pneumatic connection, port
- 2 G1/4
- Materials note
- Free of copper and PTFE | Conforms to RoHS
- Materials information for seals
- NBR
- 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 529820. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.