15609

Name: Festo 15609 Quickstepper FSS-12-C
Brand: Festo

Quickstepper FSS-12-C

The Festo 15609 is a combinable sequencer featuring a 2.5 mm nominal size and a standard nominal flow rate of 60 l/min across a working pressure range of 2.5 to 6 bar. This unit operates with compressed air conforming to ISO 8573-1:2010 [6:4:4] under non-lubricated conditions, exhibiting an acknowledgement response pressure of at least 1.5 bar and a drop-off pressure of 0.5 bar or lower. Certified for hazardous locations, it carries ATEX category II 2G and II 3D ratings with Ex h IIC T4 Gb gas and Ex h IIIC T125°C Dc dust ignition protection, alongside EPL Gb and EPL Dc certifications for ambient temperatures between +5°C and +40°C. Submit the exact part number, quantity, and application requirements to request a quote for this 450 g industrial component.

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Manufacturer: Festo
Part number: 15609
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Technical Specifications

Nominal size: 2.5 mm
Design structure: Combinable sequencer
Acknowledgement drop-off pressure: <= 0.5 bar
Acknowledgement response pressure: >= 1.5 bar
Working pressure: 2.5 ... 6 bar
Standard nominal flow rate: 60 l/min
Min. acknowledgement pulse length: 50 ms
CE symbol (see declaration of conformity): according to EU-Ex protection guideline (ATEX)
UKCA marking (see declaration of conformity): To UK EX instructions
Explosion protection certification outside the EU: EPL Dc (GB) | EPL Gb (GB)
ATEX category Gas: II 2G
ATEX category Dust: II 3D
Explosion ignition protection type Gas: Ex h IIC T4 Gb
Explosion ignition protection type Dust: Ex h IIIC T125°C Dc
Explosion-proof ambient temperature: +5°C <= Ta <= +40°C
Operating medium: Compressed air in accordance with ISO8573-1:2010 [6:4:4]
Note on operating and pilot medium: Lubricated operation not possible
PWIS conformity: VDMA24364-B2-L
Ambient temperature: 5 ... 40 °C
Product weight: 450 g
Material seals: NBR
Material housing: ABS

Engineering context

Identification and RFQ Guidance

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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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Technical verification

Our sourcing response is prepared against Festo 15609. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.