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Festo
539688
Filter regulator LFR-1/8-DB-7-5M-MINI-H
The Festo 539688 is a mini series DB filter regulator with a pressure gauge, featuring a 44 mm width and a 5 µm grade of filtration. This component operates within a working pressure range of 1.5 to 10 bar, a pressure regulation range of 0.5 to 7 bar, and delivers a standard nominal flow rate of ≥ 500 l/min using compressed air or inert gases. Built with a rotary knob with lock actuator, semi-automatic condensate drain, secondary exhaust, and return flow controller function, it weighs 200 g and is designed for a vertical +/- 5° assembly position within a -5 to 50 °C temperature range. Submit the exact part number, quantity, and application requirements for a formal quote.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 539688
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 539688.
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Verified configuration
Technical Specifications
- Size
- Mini
- Width
- 44 mm
- Series
- DB
- Actuator lock
- Rotary knob with lock
- Assembly position
- Vertical +/- 5°
- Grade of filtration
- 5 µm
- Condensate drain
- semi-automatic
- 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
- >= 500 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 [6:8:4] | 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 539688. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.