527701

Name: Festo 527701 Air line lubricator MS4-LOE
Brand: Festo

Air line lubricator MS4-LOE

The Festo 527701 is a proportional standard oil mist lubricator of size 4 from the MS series, featuring a structural design with an integrated metal plastic bowl guard and a maximum oil capacity of 30 cm³. Designed for an operating pressure range of 1 bar to 12 bar, this component requires a minimum flow rate of 40 l/min for lubricator function and delivers a normal nominal flow rate between 1100 l/min and 2200 l/min using compressed air as per ISO 8573-1:2010 [7:4:4] or inert gases in a vertical ±5° mounting position. Certified with c UL us - recognized (OL), ATEX, and UKEX markings, it supports operation in explosive zones 1, 2, 21, and 22 within an ambient temperature range of -10°C to +60°C. Submit the exact part number, quantity, and application requirements for an RFQ.

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Manufacturer: Festo
Part number: 527701
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Technical Specifications

Size: 4
Series: MS
Mounting position: Vertical ±5°
Structural design: Proportional standard oil mist lubricator
Max. oil capacity: 30 cm³
Bowl guard: Plastic bowl guard | Integrated as metal bowl
Operating pressure: 1 bar...12 bar
Minimum ow rate for lubricator function: 40 l/min
Normal nominal ow rate (normalized to DIN 1343): 1100 l/min...2200 l/min
Certication: c UL us - recognized (OL)
CE marking (see declaration of conformity): as per EU explosion protection directive (ATEX)
UKCA marking (see declaration of conformity): acc. to UK EX instructions
Explosion protection certication outside the EU: EPL Db (GB) | EPL Gb (GB)
Explosion prevention and protection: Zone 1 (ATEX) | Zone 1 (UKEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 21 (UKEX) | Zone 22 (ATEX)
ATEX category gas: II 2G
ATEX category for dust: II 2D
Type of ignition protection for gas: Ex h IIC T6 Gb X
Type of (ignition) protection for dust: Ex h IIIC T60°C Db X
Explosive ambient temperature: -10°C <= Ta <= +60°C
Operating medium: Compressed air as per ISO 8573-1:2010 [7:4:4] | Inert gases
Information on operating and pilot media: Lubricated operation possible
Corrosion resistance class (CRC): 2 - Moderate corrosion stress
LABS (PWIS) conformity: VDMA24364-B1/B2-L
Storage temperature: -10 °C...60 °C
For use in the food industry: See supplementary material information
Temperature of medium: -10 °C...60 °C

Engineering context

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Our sourcing response is prepared against Festo 527701. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.