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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
8172149
Linear actuator DFPC-125-100-D-V4EX4-40E-17S-M16P-W2
The Festo part number 8172149 is a double-acting industrial component featuring a piston, piston rod, tie rod 1, and cylinder barrel with a 125 mm piston diameter, a 125 valve actuator size, a 100 mm stroke, and an ISO 5210 standard valve connection. This component operates at an operating pressure range of 0.2 MPa to 0.8 MPa (2 bar to 8 bar, 29 psi to 116 psi) with a nominal operating pressure of 0.6 MPa (6 bar, 87 psi), utilizing elastic cushioning rings or pads at both ends and supporting any mounting position with position sensing via proximity switch. Certified for explosive environments in ATEX and UKEX Zone 1, Zone 2, Zone 21, and Zone 22, it carries ATEX category gas II 2G, ATEX category for dust II 2D, and Ex h IIC T4 Gb ignition protection, alongside EPL Db (GB) and EPL Gb (GB) certifications, with variants including EX protection approval, special threads, shortened external threads, and extended piston rods. Submit the exact part number, quantity, and application requirements for a formal 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
- 8172149
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 8172149.
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 valve actuator
- 125
- Flange hole pattern
- F10
- Stroke
- 100 mm
- Piston diameter
- 125 mm
- Standard connection for valve
- ISO 5210
- Cushioning
- Elastic cushioning rings/pads at both ends
- Mounting position
- Any
- Mode of operation
- Double-acting
- Structural design
- Piston | Piston rod | Tie rod 1 | Cylinder barrel
- Position sensing
- Via proximity switch
- Variants
- EX protection approval (ATEX) | Special thread on piston rod | Piston rod with external thread shortened at one end | Extended piston rod
- Operating pressure
- 0.2 MPa...0.8 MPa | 2 bar...8 bar | 29 psi...116 psi
- Nominal operating pressure
- 0.6 MPa | 6 bar | 87 psi
- CE marking (see declaration of conformity)
- as per EU explosion protection directive (ATEX)
- UKCA marking (see declaration of conformity)
- acc. to UK EX instructions
- Explosion protection certication outside the EU
- EPL Db (GB) | EPL Gb (GB)
- Explosion prevention and protection
- Zone 1 (ATEX) | Zone 1 (UKEX) | Zone 2 (ATEX) | Zone 21 (ATEX) | Zone 21 (UKEX) | Zone 22 (ATEX)
- ATEX category gas
- II 2G
- ATEX category for dust
- II 2D
- Type of ignition protection for gas
- Ex h IIC T4 Gb
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 8172149. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.