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Products/Festo/185747
Festo 185747 Service unit LFR-1/4-D-MIDI-KD
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Festo

185747

Service unit LFR-1/4-D-MIDI-KD

The Festo 185747 is a Midi-size D-series industrial component combining an on-off valve, safety start-up valve, and a filter regulator with a pressure gauge featuring a rotary knob actuator lock with detent. 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 regulates pressure from 0.25 MPa to 1.2 MPa (2.5 bar to 12 bar / 36.25 psi to 174 psi) with a normal nominal flow rate of 1440 l/min for compressed air as per ISO 8573-1:2010 [-:-:-] or inert gases. The unit incorporates a 40 µm filtration grade, a manual rotating condensate drain with a 43 cm³ max condensate volume, a metal bowl guard, and vertical ±5° mounting position capability with CRC 2 moderate corrosion stress resistance. Submit the exact part number, quantity, and application requirements for a formal quote.

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Manufacturer
Festo
Part number
185747
Data verification
Manufacturer evidence reviewed

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Verified configuration

Technical Specifications

Size
Midi
Series
D
Actuator lock
Rotary knob with detent
Mounting position
Vertical ±5°
Grade of ltration
40 µm
Condensate drain
Manual, rotating
Structural design
On/off valve | Filter regulator with pressure gauge | Safety start-up valve
Max. condensate volume
43 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)
1440 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
2100 g
Type of mounting
Alternatively: | In-line installation | With accessories

Engineering context

Identification and RFQ Guidance

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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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 185747. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.