Airtac SED Double Rod Cylinder SED50X50S
The AirTAC SED Double Rod Cylinder SED50X50S 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 50mm, PT1/4 ports, adjustable cushioning.
- BoreØ50 mm
- Stroke50 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 SED50X50S
The AirTAC SED50X50S is a double-acting, double-rod ISO 15552 profile cylinder with a 50mm bore and 50mm stroke. Because a 20mm rod exits both ends, the annulus area is identical on extend and retract, yielding exactly 825 N of force at 0.5 MPa in both directions. The extruded aluminum barrel includes sensor grooves, and the included -S magnet enables position tracking with CMSE reed or DMSE electronic sensors.
This through-rod design provides superior anti-rotation guidance for external loads compared to a single-rod SE cylinder. The rear rod extension can simultaneously drive a secondary mechanism or mount a cam. Field-adjustable air cushions at both ends decelerate the piston near stroke end, while the PT1/4 ports supply air at 30-800 mm/s.
Airtac SED Double Rod Cylinder SED50X50S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED50X50S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 50 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 SED50X50S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×50 | 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 SED50X50S Is Used
Textile Calendering
Drives dual opposing fabric guide rollers with 825 N of equal both-way force, using the rear rod to maintain web tension without rotational drift.
PCB Shuttle Transfer
Shuttles circuit boards between inspection lanes, utilizing the through-rod for symmetrical 30-800 mm/s motion and rear-mounted DMSE electronic sensors.
Pneumatic Gripper Sync
Actuates synchronized clamping jaws from both ends, leveraging the 20mm twin rods and 1154 N at 0.7 MPa for balanced part forming.
Is the Airtac SED Double Rod Cylinder SED50X50S the Right Cylinder?
Choose this 50mm bore if you need 825 N of equal both-way force at 0.5 MPa. Stepping down to the 40mm bore yields 528 N both ways, while stepping up to the 63mm bore provides 1402 N. The twin-rod architecture is ideal when you need to drive dual opposing tools or mount rear-position flags without rotational drift.
As a direct ISO 15552 replacement, match your existing bore, 50mm stroke, PT1/4 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that a plain SED does not hold position on air loss; for fail-safe holding, select a BSED double-rod lock cylinder or an external pilot-operated check valve. Even at 50mm stroke, ensure your external guides handle any side load.
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 SED50X50S FAQ
Because the double-rod design has equal piston areas on both sides, it generates 825 N at 0.5 MPa and 1154 N at 0.7 MPa in both extend and retract directions. The maximum force is 168 kgf at 1.0 MPa.
The SED50X50S provides equal force and speed both ways, plus superior anti-rotation guidance. The rear rod allows you to mount a cam or secondary mechanism while maintaining strict ISO 15552 mounting interface dimensions.
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