The AirTAC Airtac SCD Standard Cylinder SCD160X800S is a genuine double-acting DOUBLE-ROD air cylinder: the Ø40mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø160mm bore, 800mm stroke, PT3/4 ports and adjustable end cushioning.
The SCD160X800S is a double-acting pneumatic cylinder with a through-rod design, guaranteeing identical push and pull forces for perfectly symmetric motion. At 0.5 MPa, this model produces a substantial 9425 N in both directions, scaling up to 16964 N at the maximum operating pressure of 0.9 MPa, driven by a robust 40 mm diameter rod extending from both end caps.
This genuine AirTAC cylinder features a 29 mm adjustable air cushion on each end to gently decelerate high-inertia loads, protecting the end caps during the 800 mm stroke. The integrated magnetic piston, designated by the 'S' suffix, allows for direct mounting of CMSG, DMSG, or EMSG sensors along the tie-rod body for non-contact position feedback without additional brackets.
| Model | Airtac SCD Standard Cylinder SCD160X800S |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 800 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| 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 – 500 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 | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | 13195 N |
| Max (@1.0 MPa) | 1922 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). |
|---|---|
| 160 | Bore size in mm. |
| ×800 | 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.
Provides equal 9425 N force in both extend and retract for a balanced pressing or clamping operation where tooling is mounted on both rod ends.
Drives a large transfer shuttle with identical speed and thrust in each direction, using the rear rod for a counterbalance or secondary tool.
The through-rod allows a stopper or datum to be mounted on the rear end while the front rod performs the main work, ensuring consistent stroke alignment.
Select the SCD160X800S when your application demands balanced, high-force linear motion from both sides of the piston. If your load requires slightly less force, the SCD125 bore provides 5734 N at 0.5 MPa, while stepping up to the SCD200 bore offers a significant jump to 15080 N. For this 800 mm stroke on a large bore, be mindful of the rod's unsupported length; the dual-rod design improves guidance, but sustained side loads still necessitate an external linear guide or a switch to a guided cylinder. This model is a direct dimensional and performance replacement only for another AirTAC SCD160 double-rod cylinder matching the 800 mm stroke, PT port thread, basic mount, and magnetic piston option.
Double-rod checklist
Because the piston rod occupies area on both sides, the effective pressure area is identical. At 0.5 MPa, both push and pull force is 9425 N. This increases to 13194 N at 0.7 MPa and reaches 16964 N at the maximum operating pressure of 0.9 MPa.
Choose the SCD when you need perfectly equal force and speed in both directions, or when you require a second rod end to mount tooling, a sensor flag, or a mechanical stop. The dual-rod bearing support also provides better resistance to bending moments than a single-rod cylinder, though it is not a replacement for a fully guided actuator under heavy side loads.
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