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Festo
539683
Filter regulator LFR-1/8-DB-7-MINI
The Festo 539683 is a mini 44 mm DB series filter regulator featuring a design structure with a pressure gauge, a rotary knob actuator lock with lock, a manual rotary condensate drain, and a controller function with secondary exhaust and return flow. It operates within a working pressure range of 1.5 to 10 bar, a pressure regulation range of 0.5 to 7 bar, a maximum pressure hysteresis of 0.5 bar, and delivers a standard nominal flow rate of 700 l/min or greater for compressed air to ISO 8573-1:2010 [-:9:-] or inert gases. Engineered for vertical assembly within +/- 5°, this 200 g component provides a 40 µm filtration grade, a CRC corrosion resistance classification of 1, and an output air purity class conforming to ISO 8573-1:2010 [7:8:4] across a medium and ambient temperature range of -5 to 50 °C. 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
- 539683
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 539683.
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Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- Mini
- Width
- 44 mm
- Series
- DB
- Actuator lock
- Rotary knob with lock
- Assembly position
- Vertical +/- 5°
- Grade of filtration
- 40 µm
- Condensate drain
- manual rotary
- Design structure
- Filter regulator with pressure gauge
- Controller function
- with secondary exhaust | with return flow
- Pressure gauge
- with pressure gauge
- Working pressure
- 1.5 ... 10 bar
- Pressure regulation range
- 0.5 ... 7 bar
- Max. pressure hysteresis
- 0.5 bar
- Standard nominal flow rate
- >= 700 l/min
- Operating medium
- Compressed air to ISO 8573-1:2010 [-:9:-] | Inert gases
- Corrosion resistance classification CRC
- 1
- Air purity class at output
- Compressed air in accordance with ISO8573-1:2010 [7:8:4] | Inert gases
- Medium temperature
- -5 ... 50 °C
- Ambient temperature
- -5 ... 50 °C
- Product weight
- 200 g
- Mounting type
- Optional | Line installation | with through hole | With mounting bracket
- Pressure gauge connection
- G1/8
- Pneumatic connection, port
- 2 G1/8
- Materials note
- Conforms to RoHS
- Materials information for seals
- NBR
- Material information, rotary knob
- POM
- Materials information for filter
- PE
- Materials information, housing
- PA-reinforced
- Materials information for bowl
- PC
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 539683. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.