Airtac SCD Standard Cylinder SCD80X175S
The AirTAC Airtac SCD Standard Cylinder SCD80X175S is a genuine double-acting DOUBLE-ROD air cylinder: the Ø25mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø80mm bore, 175mm stroke, PT3/8 ports and adjustable end cushioning.
- BoreØ80 mm
- Rod (both ends)Ø25 mm
- Stroke175 mm
- Port sizePT3/8
- Rod configDouble rod (through)
- CushionAdjustable, 28 mm
About the Airtac SCD Standard Cylinder SCD80X175S
The SCD80X175S provides perfectly balanced bidirectional force, delivering 2268 N of thrust in both extend and retract strokes at 0.5 MPa. Its through-rod design, featuring a 25 mm diameter rod protruding from both end caps, makes it a natural choice for tasks where a rear tooling mount, stroke flag, or manual adjustment point is needed on the back side of the cylinder.
This model includes a factory-installed magnet (denoted by the -S suffix), allowing CMSG, DMSG, or EMSG solid-state sensors to be clamped directly onto the tie-rod barrel for non-contact position sensing. With a 175 mm stroke, it operates well within the 1500 mm maximum for the 80 mm bore, and its adjustable air cushion (28 mm length) provides smooth deceleration at both ends of travel.
Airtac SCD Standard Cylinder SCD80X175S Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD80X175S |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø80 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 175 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 28 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SCD (double-rod) datasheet. Because the rod runs through both caps, the effective area is (bore² − rod²) in both directions. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø80mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | 3175 N |
| Max (@1.0 MPa) | 463 kgf | |
Push and pull are EQUAL on a double-rod cylinder — both chambers lose the rod area, so effective area = (bore² − rod²) each way. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
Model Code: Airtac SCD Standard Cylinder SCD80X175S
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 80 | Bore size in mm. |
| ×175 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCJ (adjustable stroke), SCT (multi-position). SCD mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SCD Standard Cylinder SCD80X175S Is Used
Bidirectional Transfer Shuttles
The equal 2268 N force in both directions makes this cylinder ideal for shuttle tables that move a fixture or part between two stations, ensuring consistent speed and power in each leg of the motion.
Sensor-Monitored Pressing
With the built-in magnet, DMSG sensors easily confirm end-of-stroke position on both the front and rear rod extensions, providing reliable feedback for light pressing or clamping operations.
Rear-Mounted Stroke Adjustment
The exposed rear rod provides a convenient location for a hard stop or fine-adjustment screw, allowing operators to precisely limit the stroke without disassembling the front tooling.
Is the Airtac SCD Standard Cylinder SCD80X175S the Right Cylinder?
Stepping up to a 100 mm bore SCD would increase the balanced force to 3681 N at the same 0.5 MPa, while a 63 mm bore reduces it to 1402 N—choose based on the required push/pull force for your dual-sided tooling. If your application only needs force from one end, a single-rod SC80 series cylinder is a lighter and more cost-effective alternative. For direct replacement of an existing SCD80X175S, match the 80 mm bore, 175 mm stroke, PT port thread, and ensure the replacement also carries the -S magnet for sensor compatibility.
Double-rod checklist
- ✓ Need equal force / speed both directions?
- ✓ Rear rod for tooling, stopper or sensor flag?
- ✓ Better rod guidance / anti-rotation?
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Keep BOTH rod ends clear of side load and interference.
- check Adjust end cushion screws for smooth stops.
- check Use SCD mounting accessory (FA / LB / TC / TCM1).
- check Installation by qualified personnel per AirTAC docs.
Airtac SCD Standard Cylinder SCD80X175S FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa it produces 2268 N, at 0.7 MPa it produces 3175 N, and at the maximum operating pressure of 0.9 MPa it produces 4082 N in both directions.
Choose an SCD double-rod cylinder when you need identical force and speed in both directions, or when you require a rear rod extension to mount a sensor flag, a secondary tool, or a manual stop. The through-rod also provides better guidance and resistance to side load than a single-rod cylinder of the same bore.
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