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Festo
177991
Profile cylinder DNC-3"-8"-P
The Festo part number 177991 is a double-acting industrial component featuring a 3-inch piston diameter, an 8-inch stroke, and a 3/4-16 UNF-2A male piston rod thread based on the ISO 15552 standard. This profile barrel unit operates on compressed air conforming to ISO 8573-1:2010 [7:4:4] within a working pressure range of 0.6 to 12 bar (0.06 to 1.2 MPa), providing flexible cushioning rings or plates at both ends and a theoretical retracting force of 2,721 N at 0.6 MPa (6 bar, 87 psi). Rated for ambient temperatures from -20 to 80 °C, the assembly incorporates a single-ended piston rod design with a moderate corrosion resistance classification (CRC 2) and VDMA 24364-B1/B2-L PWIS conformity. 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
- 177991
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 177991.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Stroke
- 8 "
- Piston diameter
- 3"
- Piston rod thread
- 3/4-16 UNF-2A
- Based on the standard
- ISO 15552 (previously also VDMA 24652, ISO 6431, NF E49 003.1, UNI | 10290)
- Cushioning
- P: Flexible cushioning rings/plates at both ends
- Assembly position
- Any
- Piston-rod end
- Male thread
- Design structure
- Piston | Piston rod | Profile barrel
- Position detection
- No
- Variants
- Single-ended piston rod
- Operating pressure MPa
- 0.06 ... 1.2 MPa
- Working pressure
- 0.6 ... 12 bar
- Mode of operation
- double-acting
- 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
- 2 - Moderate corrosion stress
- PWIS conformity
- VDMA24364-B1/B2-L
- Ambient temperature
- -20 ... 80 °C
- Impact energy in end positions
- 0.9 J
- Theoretical force at 0.6 MPa (6 bar, 87 psi), retracting
- 2,721 N
- Theoretical force at 0.6 MPa (6 bar, 87 psi), advance
- 3,016 N
- Moving mass with 0 mm stroke
- 1,131 g
- Additional mass factor per 10 mm of stroke
- 38 g
- Basic weight for 0 mm stroke
- 2,790 g
- Additional weight per 10 mm stroke
- 106 g
- Mounting type
- with internal (female) thread | with accessories
- Pneumatic connection
- NPT3/8-18
- Materials note
- Conforms to RoHS
- Material cover
- Aluminum die cast | coated
- Material seals
- TPE-U(PU)
- Material piston rod
- High alloy steel
- Material cylinder barrel
- Wrought Aluminum alloy | Smooth 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 177991. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.