Airtac SCD Standard Cylinder SCD100X75S
The AirTAC Airtac SCD Standard Cylinder SCD100X75S 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. Ø100mm bore, 75mm stroke, PT1/2 ports and adjustable end cushioning.
- BoreØ100 mm
- Rod (both ends)Ø25 mm
- Stroke75 mm
- Port sizePT1/2
- Rod configDouble rod (through)
- CushionAdjustable, 29 mm
About the Airtac SCD Standard Cylinder SCD100X75S
The SCD100X75S delivers perfectly symmetrical motion with 3681 N of force in both directions at 0.5 MPa, thanks to its through-rod design where the 25 mm rod passes through both end caps. This 100 mm bore double-rod cylinder is a natural fit for applications that need a rear rod end for mounting a sensor flag, a mechanical stop, or secondary tooling, all while keeping the stroke force identical in each direction.
At 0.9 MPa the thrust rises to 6626 N each way, and the built-in magnet (the -S suffix) lets you clamp CMSG, DMSG, or EMSG sensors directly onto the tie-rod barrel for clean, external position sensing without extra brackets. The adjustable air cushion on both ends (29 mm length) decelerates the piston smoothly, and the body length A(SCD) is 263 mm, making it compact for a 100 mm bore unit with a 75 mm stroke.
Airtac SCD Standard Cylinder SCD100X75S Technical Specifications
| Model | Airtac SCD Standard Cylinder SCD100X75S |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø100 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 75 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT1/2 |
| 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, 29 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 (Ø100mm, double rod)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | 5154 N |
| Max (@1.0 MPa) | 751 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 SCD100X75S
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 100 | Bore size in mm. |
| ×75 | 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 SCD100X75S Is Used
Two-Sided Actuation
With a rod on both ends, this cylinder can push or pull a load from either side with exactly 3681 N of force at 0.5 MPa, ideal for symmetrical transfer mechanisms where the tooling is mounted on the rear rod.
Rear-Mounted Stroke Sensing
The -S magnet allows a CMSG or DMSG sensor to be placed on the rear barrel section, detecting the piston position via the rear rod's movement—perfect when the front rod end is enclosed or inaccessible.
Anti-Rotation Pusher
The dual-rod support provides better resistance to rod rotation than a single-rod cylinder, making the SCD100X75S a solid choice for simple pushing or ejecting tasks where the tooling must not twist.
Is the Airtac SCD Standard Cylinder SCD100X75S the Right Cylinder?
Step up to the SCD125 bore if your application needs more than 5734 N of force at 0.5 MPa; step down to the SCD80 bore (2268 N at 0.5 MPa) if you can trade force for a lighter, more compact cylinder. If you only need a rod on one end, the single-rod SC100 series is a simpler, lower-cost alternative. For a direct replacement, match five points: 100 mm bore, 75 mm stroke, PT port thread, basic mounting (no bracket), and the -S magnet option—this SCD100X75S is a drop-in swap for another AirTAC SCD100X75S. Because the double rod extends from both ends, be mindful of the clearance needed behind the cylinder; the rear rod will protrude by the same 75 mm stroke length.
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 SCD100X75S FAQ
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa you get 3681 N, at 0.7 MPa it is 5153 N, and at the maximum operating pressure of 0.9 MPa the force reaches 6626 N in both directions.
Choose the SCD when you need equal force and speed in both directions, or when you want to use the rear rod to carry a sensor flag, a stop collar, or secondary tooling. The through-rod also provides better guidance and anti-rotation than a single-rod SC, though it is not a substitute for a fully guided cylinder under significant side loads.
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