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.
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Festo
529998
Pressure regulator MS6-LR-1/4-D6-AS-Z
The Festo 529998 is a size 6 MS series directly-controlled diaphragm regulator featuring a constant output pressure controller function with initial pressure compensation and secondary exhaust. This component operates within a working pressure range of 0.8 to 20 bar and a pressure control range of 0.3 to 7 bar, delivering a standard nominal flow rate of 3,000 l/min through G1/4 pneumatic connection ports. Constructed with an actuator lock via a lockable rotary knob and an integrated pressure gauge, the unit weighs 730 g and supports any assembly position with optional line, front panel, or accessory mounting. Submit the exact part number, quantity, and application requirements to receive a formal quotation.
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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
- 529998
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 529998.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- 6
- Series
- MS
- Actuator lock
- Rotary knob with lock | with accessories, lockable
- Assembly position
- Any
- Design structure
- directly-controlled diaphragm regulator
- Controller function
- Output pressure constant | with initial pressure compensation | with secondary exhaust
- Pressure gauge
- with pressure gauge
- Working pressure
- 0.8 ... 20 bar
- Pressure control range
- 0.3 ... 7 bar
- Max. pressure hysteresis
- 0.25 bar
- Standard nominal flow rate
- 3,000 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
- Storage temperature
- -10 ... 60 °C
- Medium temperature
- -10 ... 60 °C
- Ambient temperature
- -10 ... 60 °C
- Product weight
- 730 g
- Mounting type
- Optional | Front panel installation | Line installation | with accessories
- Pneumatic connection, port
- 2 G1/4
- Materials note
- Conforms to RoHS
- Materials information for control panel
- POM | PA
- Materials information for seals
- NBR
- Materials information, housing
- Aluminum die cast
- Materials information for membrane
- NBR
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 529998. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.