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Products/Festo/537661
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Festo

537661

Service unit FRC-1/8-DB-7-5M-MINI-H

The Festo part number 537661 is a mini-sized DB series filter regulator lubricator with a width of 88 mm and a vertical assembly position tolerance of plus or minus 5 degrees. This unit features a semi-automatic condensate drain, a pressure gauge, a rotary knob with lock actuator, and a 5 µm grade of filtration operating within a working pressure of 1.5 to 10 bar and a regulation range of 0.5 to 7 bar. It incorporates secondary exhaust and return flow controller functions, maintains a standard nominal flow rate of 400 l/min or greater, and operates with compressed air or inert gases at temperatures between -5 and 50 ¼irc C. Submit the exact part number, quantity, and application requirements to request a quote.

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Manufacturer
Festo
Part number
537661
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 537661.
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Verified configuration

Technical Specifications

Size
Mini
Width
88 mm
Series
DB
Actuator lock
Rotary knob with lock
Assembly position
Vertical +/- 5°
Condensate drain
semi-automatic
Design structure
Filter regulator/lubricator
Grade of filtration
5 µm
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
>= 400 l/min
Operating medium
Compressed air in accordance with ISO8573-1:2010 [-:-:-] | Inert gases
Approved oils
Festo special oil in 1-liter containers | Order code: 152 811 OFSW-32 | ARAL Vitam GF 32 | BP Energol HLP 32 | ESSO Nuto H 32 | MOBIL DTE 24 | SHELL Tellus Oil DO 32 | Range of viscosity 32mm²/s at 40°C | ISO class VG 32 to ISO 3448
Corrosion resistance classification CRC
1
Air purity class at output
Compressed air to ISO 8573-1:2010 [6:8:-] | Inert gases
Medium temperature
-5 ... 50 °C
Oil viscosity
ISO VG 32
Ambient temperature
-5 ... 50 °C
Product weight
300 g
Mounting type
Optional | Line installation | with through hole | With mounting bracket
Pressure gauge connection
G1/8
Pneumatic connection, port
2 G1/8
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

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.

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 537661. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.