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Festo
185789
Service unit LFR-3/4-D-MAXI-KG
The Festo part number 185789 is a Size Maxi Series D industrial component featuring a structural design that integrates a branching module, pressure switch, on/off valve, filter regulator with pressure gauge, and safety start-up valve. It operates within a pressure range of 0.3 MPa to 1.6 MPa (3 bar to 16 bar / 43.5 psi to 232 psi) and provides a normal nominal flow rate of 4900 l/min using compressed air as per ISO 8573-1:2010 [-:-:-] or inert gases. This unit includes a manual rotating condensate drain, metal bowl guard, rotary knob with detent actuator lock, and a 40 µm grade of filtration. Submit the exact part number, quantity, and application requirements to request a quote.
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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
- 185789
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 185789.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- Maxi
- Series
- D
- Actuator lock
- Rotary knob with detent
- Mounting position
- Vertical ±5°
- Grade of ltration
- 40 µm
- Condensate drain
- Manual, rotating
- Structural design
- Branching module | Pressure switch | On/off valve | Filter regulator with pressure gauge | Safety start-up valve
- Max. condensate volume
- 80 cm³
- Bowl guard
- Metal bowl guard
- Pressure gauge
- with pressure gauge
- Operating pressure
- 0.3 MPa...1.6 MPa | 3 bar...16 bar | 43.5 psi...232 psi
- Pressure regulation range MPa
- 0.25 MPa...1.2 MPa
- Pressure regulation range
- 2.5 bar...12 bar
- Pressure regulation range psi
- 36.25 psi...174 psi
- Max. pressure hysteresis
- 0.025 MPa | 0.25 bar | 3.625 psi
- Normal nominal ow rate (normalized to DIN 1343)
- 4900 l/min
- Operating medium
- Compressed air as per ISO 8573-1:2010 [-:-:-] | Inert gases
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Air quality class at the output
- Compressed air as per ISO 8573-1:2010 [7:8:4] | Inert gases
- Temperature of medium
- -10 °C...60 °C
- Ambient temperature
- -10 °C...60 °C
- Product weight
- 5200 g
- Type of mounting
- Alternatively: | In-line installation
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 185789. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.