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Festo
529487
Pressure regulator MS4-LRB-1/4-D7-AS-BD-Z
The Festo 529487 is a Size 4 MS series directly-controlled diaphragm regulator featuring a looped-through compressed air supply, a rotary knob actuator lock with locking accessories, and an integrated pressure gauge with 2 QS-8 pneumatic connection ports. This component operates within a working pressure range of 0.8 to 14 bar and a pressure control range of 0.5 to 12 bar, delivering a standard nominal flow rate of 640 l/min for compressed air conforming to ISO8573-1:2010 [7:4:4] or inert gases. Designed for any assembly position with optional line, front panel, or accessory mounting, it maintains a constant output pressure with secondary exhaust and return flow while functioning in medium and ambient temperatures from -10 to 60 °C. Submit the exact part number, quantity, and application requirements to request a formal quote for this 222 g industrial component.
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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
- 529487
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 529487.
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 lock | with accessories, lockable
- Assembly position
- Any
- Design structure
- directly-controlled diaphragm regulator | with looped-through compressed air supply
- Controller function
- Output pressure constant | with secondary exhaust | with return flow
- Pressure gauge
- with pressure gauge
- Working pressure
- 0.8 ... 14 bar
- Pressure control range
- 0.5 ... 12 bar
- Max. pressure hysteresis
- 0.25 bar
- Standard nominal flow rate
- 640 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
- 222 g
- Mounting type
- Optional | Front panel installation | Line installation | with accessories
- Pneumatic connection, port
- 2 QS-8
- Materials note
- Conforms to RoHS
- Materials information for subbase
- Aluminum die cast
- 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 529487. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.