Airtac SED Double Rod Cylinder SED63X800
The AirTAC Airtac SED Double Rod Cylinder SED63X800 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 800mm, PT3/8 ports, adjustable cushioning.
- BoreØ63 mm
- Stroke800 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED63X800
The AirTAC SED63X800 is a double-acting, double-rod profile cylinder built to ISO 15552 dimensional standards. Because a 20mm rod exits both end covers, the annulus area is identical on extend and retract. This gives you exactly 1402 N of output force at 0.5 MPa in both directions, preventing speed mismatches on long 800mm traverses.
This extruded aluminum body omits external tie rods and relies on a field-adjustable air cushion at both ends to decelerate the 36mm cushion stroke. This specific SKU lacks the internal magnet, so it will not trigger CMSE or DMSE sensors directly. You can mount rear-rod tooling or a mechanical flag on the opposite end to drive a secondary mechanism.
Airtac SED Double Rod Cylinder SED63X800 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED63X800 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 800 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 SED63X800
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 63 | Bore size in mm. |
| ×800 | 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 SED63X800 Is Used
Long-Stroke Web Handling
Drives an 800mm carriage in a paper converting line. The twin rods provide 1402 N of equal both-way force, ensuring stable tensioning across the wide material web without rotational twist.
Dual-Side Conveyor Transfer
Pushes parts across a 63mm bore transfer station. The rear rod simultaneously actuates a diverter gate on the opposite side, keeping dual mechanisms perfectly synchronized.
Large Door Manipulation
Opens and closes heavy machinery access doors. The equal 1962 N force at 0.7 MPa ensures smooth acceleration and deceleration in both directions over the long 800mm travel.
Is the Airtac SED Double Rod Cylinder SED63X800 the Right Cylinder?
At 0.5 MPa, this 63mm bore yields 1402 N both ways. If your payload is lighter, step down to the 50mm bore for 825 N. If you need more push, the 80mm bore provides 2268 N. Stepping up or down changes your PT port size (50mm uses PT1/4, 80mm uses PT3/8), so verify your air supply.
Choose this double-rod configuration over a single-rod SE when you need superior anti-rotation guidance or rear-rod actuation. Since the stroke is 800mm, external guide rails are critical to prevent side-loading damage to the M16x1.5 rod threads. Remember that the adjustable air cushion only decelerates the load near stroke end; it does not hold position on air loss. For fail-safe holding, use an external pilot-operated check valve or a BSED rod-lock cylinder.
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 SED63X800 FAQ
Because the double-rod design has equal piston area on both sides, force is identical in both directions: 1402 N at 0.5 MPa, 1962 N at 0.7 MPa, and a maximum of 286 kgf at 1.0 MPa.
Yes. It is a profile cylinder dimensionally interchangeable per ISO 15552. You can drop it in for other ISO 15552 double-rod cylinders using Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounts. Note it lacks a magnet, so position sensing requires external flags.
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