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.
Global industrial sourcing · Houston, Texas+1 417 261 6001 info@mropartsrfq.com
MROProduct image under verification
Reference imageConfirm configuration by manufacturer part number.
Festo
187431
Semi-rotary actuator DRQD-6- -
The Festo part number 187431 is a double-acting rack and pinion industrial component featuring a size 6 construction with a swivel angle of 0 to 180 degrees and a setting range of -20 to +6 degrees on both sides. This unit operates within a working pressure range of 1 to 8 bar using compressed air according to ISO 8573-1:2010 [7:4:4] and includes flexible cushioning rings or plates at both ends (P), position detection for proximity sensors, and a corrosion resistance classification of CRC 1. Certified for hazardous locations with ATEX category II 2G gas and II 2D dust protection, it is rated for explosive ambient temperatures between -10°C and +60°C in flanged shaft or spigot shaft variants. Submit the exact part number, quantity, and application requirements to request a quote.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 187431
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 187431.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- 6
- Setting range of swivel angle on both sides
- -20 /+ 6 deg
- Swivel angle
- 0 ... 180 deg
- Cushioning
- P: Flexible cushioning rings/plates at both ends
- Assembly position
- Any
- Design structure
- Rack and pinion
- Max. number of intermediate positions
- 1
- Position detection
- For proximity sensor
- Variants
- Flanged shaft | Spigot shaft
- Working pressure
- 1 ... 8 bar
- Mode of operation
- double-acting
- ATEX category Gas
- II 2G
- Explosion ignition protection type Gas
- c T4 X
- ATEX category Dust
- II 2D
- Explosion ignition protection type Dust
- c 120°C X
- Explosion-proof ambient temperature
- -10°C <= Ta <= +60°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
- 1
- Ambient temperature
- -10 ... 60 °C
- Theoretical torque at 6 bar
- 0.16 Nm
- Permissible mass moment of inertia
- 0.0000075 kgm2
- Mounting type
- Optional | with through hole | with internal (female) thread
- Pneumatic connection
- M3
- Materials note
- Free of copper and PTFE
- Materials information for drive shaft
- Aluminum
- Materials information for cover
- Aluminum
- Materials information for seals
- NBR | TPE-U(PU)
- Materials information, housing
- Aluminum
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 187431. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.