527711

Name: Festo 527711 Soft-start valve MS4-DL
Brand: Festo

Soft-start valve MS4-DL

The Festo 527711 is a direct-controlled 2/2 industrial component featuring a piston seat structural design and a mechanical spring reset method with no manual override. It operates at an operating pressure of 4 bar to 14 bar, delivers a normal nominal flow rate between 1000 l/min and 2000 l/min, and includes an adjustable exhaust air function with a non-reversible flow direction, external pilot air supply port, and any mounting position. Certified for hazardous locations, this unit carries c UL us recognition, ATEX and UKEX CE markings, EPL Gb and EPL Db certifications, and explosion protection ratings for ATEX Zones 1, 2, 21, and 22, as well as UKEX Zones 1 and 21, alongside configurations for G1/4 and G1/8 pressure gauges, a pressure sensor, and a pressure gauge. Submit part number 527711, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 527711
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Technical Specifications

Exhaust air function: Adjustable
Actuation type: Pneumatic
Mounting position: Any
Manual override: None
Structural design: Piston seat
Reset method: Mechanical spring
Type of control: directly
Pilot air supply port: External
Flow direction: Non-reversible
Valve function: 2/2
Pressure gauge: Set up for G1/4 | Set up for G1/8 | With pressure sensor | with pressure gauge
Operating pressure: 4 bar...14 bar
Normal nominal ow rate (normalized to DIN 1343): 1000 l/min...2000 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

Engineering context

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Our sourcing response is prepared against Festo 527711. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.