Airtac SED Double Rod Cylinder SED63X950
The AirTAC Airtac SED Double Rod Cylinder SED63X950 is a genuine double-acting ISO 15552 double-rod cylinder: a Ø20mm piston rod exits BOTH ends of the Ø63mm bore, giving equal force and speed in both directions and letting you mount tooling or a sensor flag on the back rod. Stroke 950mm, PT3/8 ports, adjustable cushioning.
- BoreØ63 mm
- Stroke950 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED63X950
The AirTAC SED63X950 is a double-acting, double-rod profile cylinder built to ISO 15552 dimensional standards. A 20mm rod exits both end covers, yielding an annulus area that produces 1402N of force each way at 0.5MPa. The extruded aluminum barrel features integrated sensor grooves, though this specific SKU omits the -S magnet option.
Providing 950mm of travel, this nonstandard stroke unit is made to order. The twin rods enhance load stability against rotation, and the rear extension can drive a secondary mechanism or cam. Adjustable air cushions at both ends decelerate the piston near stroke termination.
Airtac SED Double Rod Cylinder SED63X950 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED63X950 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 950 mm |
| Configuration | Double rod, double acting |
| Port size | PT3/8 |
| Rod thread | M16×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C (0–150 °C with FKM seals) |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SED datasheet and ISO 15552 / VDMA 24562 dimensions. Confirm against the product label before installation. Port options: PT (standard) / G (BSPP).
Theoretical Output Force (Ø63mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 1402 N |
| 0.7 MPa | 1962 N |
| Max (@1.0 MPa) | 286 kgf |
Because a rod exits both ends, the effective piston area — and therefore the force — is identical on extend and retract. Actual usable force is lower than theoretical; size with a safety margin.
Model Code: Airtac SED Double Rod Cylinder SED63X950
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 63 | Bore size in mm. |
| ×950 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensor sensing. |
Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B). Seals: TPU (blank) / FKM high-temp (H) / NBR (N). Thread: PT (blank) / G. Mounting (SED): Basic, LB, FA, TC, FTC, TCM1, TCM2. Related: SE (single rod), SEJ (double-rod adjustable stroke), BSED (double-rod rod lock).
Where the Airtac SED Double Rod Cylinder SED63X950 Is Used
Web Guiding Mechanism
Leverages the 1962N both-way force at 0.7MPa to tension and steer wide film webs, using the twin rods to prevent chassis twist over the 950mm span.
Dual-Station Conveyor Transfer
Pushes pallets alternately from two sides, exploiting the equal extend and retract forces to maintain balanced indexing without requiring external guides.
Rear-Cam Actuation Press
Drives a primary stamping operation up front while the protruding rear rod triggers a sequential cam limit switch, saving space on the main assembly.
Is the Airtac SED Double Rod Cylinder SED63X950 the Right Cylinder?
At 0.5MPa, this 63mm bore generates 1402N both directions. Stepping down to the 50mm bore yields 825N, while the larger 80mm bore provides 2268N. Choose this double-rod SED over a single-rod SE when your application demands anti-rotation guidance, dual-side tooling, or rear-rod limit flags. The 950mm stroke requires external guide rails to prevent rod sagging and side-load damage.
This cylinder uses a PT3/8 port and M16x1.5 rod thread. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB/CA/CB/CR). Note that the air cushion only decelerates the load near stroke end; it does not hold position on air loss. For fail-safe holding, use a BSED rod lock.
Quick checklist
- ✓ Equal force/speed both directions needed?
- ✓ Back-rod space for tooling or a flag
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/G)
- ✓ Magnet (-S) for CMSE/DMSE sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Support both rod ends; avoid side load.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB/FA/TC/FTC/TCM1/TCM2).
- check Installation by qualified personnel per AirTAC docs.
Airtac SED Double Rod Cylinder SED63X950 FAQ
Because the double-rod design has equal piston areas on both sides, it outputs 1402N at 0.5MPa, 1962N at 0.7MPa, and a maximum of 286kgf at 1.0MPa in both extend and retract directions.
Yes, it is dimensionally interchangeable per ISO 15552 / VDMA 24562 profile standards. Just match the 63mm bore, 950mm stroke, PT3/8 port, and mounting style, while ensuring you have rear-rod clearance.
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