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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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Festo
189981
Semi-rotary actuator DRE-4-F04-Q10-FS-PS
The Festo 189981 is a single-acting rack and pinion industrial component featuring a size 4 actuator with an F04 flange hole pattern and a V11 shaft connection conforming to ISO 5211. Operating on compressed air per ISO8573-1:2010 [7:4:4] across a 2 to 10 bar working pressure range, this unit delivers a torque of 26.9 Nm at 6 bar with a 10.3 Nm spring return moment and a 90-degree swivel angle. It operates with a VDI/VDE 3845 NAMUR valve connection, exhibits a CRC 3 corrosion resistance classification, functions within an ambient temperature range of -20 to 80 °C, and weighs 1,200 g with no cushioning or position detection. Submit the exact part number, quantity, and application requirements for a quote.
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Request a QuoteWhy 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
- 189981
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 189981.
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
- 4
- Flange hole pattern
- F04
- Swivel angle
- 90 deg
- Fitting connection conforms to standard
- ISO 5211
- Cushioning
- No cushioning
- Assembly position
- Any
- Mode of operation
- single-acting
- Design structure
- Rack and pinion
- Position detection
- No
- Valve connection conforms to standard
- VDI/VDE 3845 (NAMUR)
- Working pressure
- 2 ... 10 bar
- 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)
- Corrosion resistance classification CRC
- 3
- Ambient temperature
- -20 ... 80 °C
- Torque at 6 bar
- 26.9 Nm
- Spring return moment
- 10.3 Nm
- Air consumption at 6 bar per cycle 0°-90°-0°
- 1.8 l
- Product weight
- 1,200 g
- Shaft connection
- V11
- Pneumatic connection
- Subbase | G1/8
- Materials note
- Contains PWIS substances
- Materials information for drive shaft
- Aluminum | Anodized
- Materials information for cover
- PA
- Materials information for seals
- NBR
- Materials information, housing
- Aluminum | Anodized
Engineering context
Identification and RFQ Guidance
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 189981. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.