1246071

Name: Festo 1246071 Semi-rotary actuator DFPB-20-090-S4-F04
Brand: Festo

Semi-rotary actuator DFPB-20-090-S4-F04

The Festo 1246071 is a single-acting rack and pinion industrial component featuring a size 20 actuator with an F04 flange hole pattern and a 90-degree swivel angle. Operating at pressures up to 8 bar with a nominal working pressure of 5.6 bar, this unit operates with compressed air conforming to ISO 8573-1:2010 [7:4:4] and includes a NAMUR-compliant valve connection based on VDI/VDE 3845. Designed without cushioning or position detection, it functions in any assembly position within an ambient temperature range of -20°C to 80°C and holds ATEX certification for gas and dust environments up to SIL 3 Low Demand mode. Submit the exact part number, quantity, and application requirements to request a quote.

Request pricing and availabilityCommercial response within one business day for your destination and required quantity.

Request a Quote

Why no listed price?

Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.

Manufacturer: Festo
Part number: 1246071
Data verification: Manufacturer evidence reviewed

For a faster response, include quantity, condition, and delivery destination.

Exact part-number verificationTechnical properties are matched to 1246071.

Worldwide sourcingSupport for planned and urgent industrial requirements.

Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Size of actuator: 20
Flange hole pattern: F04
Swivel angle: 90 deg
Cushioning: No cushioning
Assembly position: Any
Mode of operation: single-acting
Design structure: Rack and pinion
Position detection: No
Valve connection conforms to standard: Based on VDI/VDE 3845 (NAMUR)
Safety Integrity Level (SIL): bis SIL 3 Low Demand mode
Working pressure: <= 8 bar
Nominal working pressure: 5.6 bar
ATEX category Gas: II 2G
Explosion ignition protection type Gas: c T4 X
ATEX category Dust: II 2D
Explosion ignition protection type Dust: c 125°C X
Explosion-proof ambient temperature: -20°C <= Ta <= +80°C
Ambient temperature: -20 ... 80 °C
Operating medium: Compressed air in accordance with ISO8573-1:2010 [7:4:4]
Note on operating and pilot medium: Lubricated operation possible (subsequently required for further | operation)
CE symbol (see declaration of conformity): according to EU-Ex protection guideline (ATEX)
Corrosion resistance classification CRC: 3
Note about the torque: Das Betriebsdrehmoment des Antriebs darf nicht höher sein als das in | der ISO 5211 aufgeführte maximal zulässige Drehmoment, bezogen auf | die Größe des Befestigungsflansches und der Kupplung.
PFD (Probability of Failure on Demand): 4.95E-06
Pneumatic connection: G1/8
Materials note: Conforms to RoHS
Materials information for drive shaft: Wrought Aluminum alloy | Anodized
Materials information for cover: Aluminum die cast | coated
Materials information for seals: NBR
Materials information, housing: Wrought Aluminum alloy | Anodized
Materials information for nut: Wrought Aluminum alloy | Anodized
Screw material data: High alloy steel, non-corrosive

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 1246071. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.