The AirTAC Airtac SCD Standard Cylinder SCD100X60S 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, 60mm stroke, PT1/2 ports and adjustable end cushioning.
The SCD100X60S is a double-acting, double-rod pneumatic cylinder delivering perfectly symmetrical force in both directions—3681 N of push and 3681 N of pull at 0.5 MPa. With a 25 mm rod extending from both ends, it provides inherent anti-rotation and lets you mount tooling or a sensor flag on the rear rod. The built-in magnet (denoted by the -S suffix) allows CMSG/DMSG/EMSG solid-state or reed sensors to clamp directly onto the tie-rod barrel for precise end-of-stroke detection.
At 60 mm stroke, this model is compact yet powerful, ideal for two-sided pressing, transfer shuttles, or any application needing equal thrust in both directions. The 100 mm bore uses a PT1/2 port and includes an adjustable air cushion (29 mm length) to decelerate the piston smoothly. Operating pressure spans 0.15–1.0 MPa, with a proof pressure of 1.5 MPa, and the standard TPU seals work reliably from -20 to +70 °C.
| Model | Airtac SCD Standard Cylinder SCD100X60S |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø100 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 60 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.
| 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.
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 100 | Bore size in mm. |
| ×60 | 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.
The through-rod design lets you operate a clamp or gripper on both ends simultaneously with equal force, perfect for symmetrical workholding fixtures.
Use the rear rod to drive a second station or carry a counterbalance, moving parts between two conveyor lanes with one synchronized motion.
The integrated magnet works with CMSG/DMSG sensors on the barrel, while the rear rod provides a convenient flag for an external proximity sensor to confirm retraction.
Choose the SCD100 when you need roughly 3.7 kN of balanced force each way. If 2.3 kN is sufficient, stepping down to the SCD80 (2268 N at 0.5 MPa) saves space and air consumption; if you need more, the SCD125 delivers 5734 N. Because this is a double-rod cylinder, it is the right pick when you need equal push/pull force or a rear rod extension—if you only need force from one end, the single-rod SC100 series is simpler and more compact. For a direct replacement, match five points: 100 mm bore, 60 mm stroke, PT port thread, basic mounting, and the -S magnet option. Note that the SCD is a tie-rod cylinder, not an ISO 15552 profile design, so dimensional interchangeability is limited to another AirTAC SCD of the same configuration.
Double-rod checklist
Because it is a double-rod cylinder, the effective piston area is identical on both sides. The force is 3681 N at 0.5 MPa, 5153 N at 0.7 MPa, and 6626 N at the maximum operating pressure of 0.9 MPa. Both extend and retract strokes produce the same force.
Pick the SCD when you need equal force and speed in both directions, or when you need a rod extending from the rear cap to mount a second tool, a stop, or a sensor target. The through-rod also provides better guidance and bending resistance than a single-rod cylinder, though it is not a substitute for a fully guided unit under high side loads.
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