Airtac SED Double Rod Cylinder SED63X650
The AirTAC SED Double Rod Cylinder SED63X650 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 650mm, PT3/8 ports, adjustable cushioning.
- BoreØ63 mm
- Stroke650 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SED Double Rod Cylinder SED63X650
The AirTAC SED63X650 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, yielding 1402N of force in either direction at 0.5MPa. It uses a PT3/8 port and M16x1.5 rod-end thread.
This unit lacks the -S magnet option, meaning no CMSE or DMSE position sensing on this SKU. The extruded aluminum barrel integrates sensor grooves, but you must account for the extended overall length—a rod protrudes from the rear cover, so rear clearance is mandatory for the 650mm stroke.
Airtac SED Double Rod Cylinder SED63X650 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED63X650 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 650 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 SED63X650
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 63 | Bore size in mm. |
| ×650 | 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 SED63X650 Is Used
Pallet Transfer Pusher
Drives a 1402N dual-sided pusher to index pallets, using the rear rod to mount a physical stopper cam.
Web Guide Mechanism
Prevents web rotation across a 650mm span, utilizing the twin 20mm rods for perfectly synchronized tracking.
Lid Press Station
Applies equal 1962N clamping force at 0.7MPa on both extend and retract to seat container lids evenly.
Is the Airtac SED Double Rod Cylinder SED63X650 the Right Cylinder?
At 0.5MPa, this 63mm bore yields 1402N both ways. Stepping down to the 50mm bore drops output to 825N, while moving up to the 80mm bore raises it to 2268N. Choose this model when you need true anti-rotation guidance or must mount a cam/flag on the rear rod. For a 650mm stroke, external guide rails are strongly recommended to prevent side-load binding on the long 20mm rods.
This SED is a direct replacement for any ISO 15552 double-rod cylinder with matching port and stroke. It supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB/CA/CB/CR. Remember, the adjustable air cushion decelerates near stroke end but does not hold position on air loss; for fail-safe holding, use a BSED or external 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 SED63X650 FAQ
Because the double rods occupy piston area on both sides, force is equal in both directions: 1402N at 0.5MPa, 1962N at 0.7MPa, and a maximum of 286kgf at 1.0MPa.
No. The adjustable air cushions at both ends only decelerate the piston near stroke end; they are not brakes. The cylinder will drift on air loss. For fail-safe position holding, consider a BSED double-rod lock cylinder.
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