Airtac SED Double Rod Cylinder SED50X700
The AirTAC Airtac SED Double Rod Cylinder SED50X700 is a genuine double-acting ISO 15552 double-rod cylinder: a Ø20mm piston rod exits BOTH ends of the Ø50mm bore, giving equal force and speed in both directions and letting you mount tooling or a sensor flag on the back rod. Stroke 700mm, PT1/4 ports, adjustable cushioning.
- BoreØ50 mm
- Stroke700 mm
- Port sizePT1/4
- ConfigurationDouble rod
- Rod threadM16×1.5
- CushionAdjustable, 30 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 SED50X700
The AirTAC SED50X700 is a double-acting, double-rod profile cylinder built to the ISO 15552 dimension standard. Because a rod exits both end covers, the effective piston area is identical on extend and retract. This gives you an equal 825 N of thrust and pull force at 0.5 MPa, preventing directional force mismatch.
This 50 mm bore unit lacks the -S magnet option, so it has no onboard position sensing on this SKU. You still get field-adjustable air cushioning at both ends to tune end-of-stroke deceleration across the 700 mm travel. The extruded aluminum barrel omits external tie rods for a clean profile.
Airtac SED Double Rod Cylinder SED50X700 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED50X700 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 700 mm |
| Configuration | Double rod, double acting |
| Port size | PT1/4 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 825 N |
| 0.7 MPa | 1155 N |
| Max (@1.0 MPa) | 168 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 SED50X700
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×700 | 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 SED50X700 Is Used
Web Edge Guiding
Uses the 825 N equal both-way force to push and pull a film web guide evenly, while the twin rod prevents yaw during the 700 mm travel.
Pallet Transfer Pusher
Drives a 700 mm stroke transfer arm on a packaging line, using the rear rod end to trip a mechanical flag at full extend.
Shuttle Conveyor Diverter
Alternates a sorting flap left and right with identical 825 N force, ensuring the diverter does not favor one direction at 0.5 MPa.
Is the Airtac SED Double Rod Cylinder SED50X700 the Right Cylinder?
This 50 mm bore yields 825 N both ways at 0.5 MPa. If you need less force, step down to the 40 mm bore (528 N); if your mechanism demands more power, step up to the 63 mm bore (1402 N). Choose this double-rod SED over a single-rod SE when you need superior anti-rotation guidance, or when you want to mount a rear cam or secondary tool on the opposite rod end.
At 700 mm, the long stroke increases lateral leverage on the rod. Use external guide rails to prevent side-load binding. Remember that a plain SED does not hold position on air loss—the piston drifts. For fail-safe holding, use an external rod lock or the related BSED series. To replace an ISO 15552 unit, match the 50 mm bore, 700 mm stroke, PT1/4 port, and mounting subset (Basic, FA, LB, TC, FTC, TCM1, TCM2).
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 SED50X700 FAQ
Because the double-rod design subtracts the rod area on both sides, force is equal in both directions: 825 N at 0.5 MPa, 1154 N at 0.7 MPa, and a maximum of 168 kgf at 1.0 MPa.
The twin rods provide better load guidance and resist rotation. The rear protruding rod can also drive a secondary mechanism or sensor cam, which a single-rod ISO 15552 cylinder cannot do.
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