Airtac SED Double Rod Cylinder SED80X950S
The AirTAC Airtac SED Double Rod Cylinder SED80X950S is a genuine double-acting ISO 15552 double-rod cylinder: a Ø25mm piston rod exits BOTH ends of the Ø80mm 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.
- BoreØ80 mm
- Stroke950 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X950S
The AirTAC SED80X950S is a double-acting, double-rod profile cylinder fully dimensionally interchangeable per ISO 15552. Because a 25mm rod occupies both sides of the 80mm piston, the annulus area is identical on extend and retract, yielding equal force and speed both ways at 2268 N each way at 0.5 MPa.
Equipped with a magnet (-S) for position sensing, this unit works with CMSE reed and DMSE electronic sensors. It features a PT3/8 port, an M20x1.5 rod-end thread, and field-adjustable air cushions at both ends to manage deceleration over the 950mm travel.
Airtac SED Double Rod Cylinder SED80X950S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X950S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 950 mm |
| Configuration | Double rod, double acting |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| 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 (Ø80mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 2268 N |
| 0.7 MPa | 3175 N |
| Max (@1.0 MPa) | 463 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 SED80X950S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | 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 SED80X950S Is Used
Multi-Station Machining
Drives a 2268 N machining carriage from both ends, using the rear rod to mount a travel limit flag for synchronized multi-station processing.
Glass Line Transfer
Powers a 950mm stroke transfer gantry in glass handling, leveraging twin rods to prevent load twist and maintain parallelism across the 3175 N push.
Textile Calendering
Actuates a 80mm calendering nip where equal 2268 N force in both directions ensures consistent fabric tension during reciprocal rolling.
Is the Airtac SED Double Rod Cylinder SED80X950S the Right Cylinder?
Stepping down to the 63mm bore drops the both-way force to 1402 N at 0.5 MPa, while stepping up to the 100mm bore raises it to 3681 N. Choose this 80mm bore when your mechanism requires the 3175 N output at 0.7 MPa alongside dual-side load guidance.
A double rod prevents piston rotation and lets the rear rod drive a secondary mechanism or sensor flag. At 950mm stroke, the protruding rear rod demands strict clearance and external guide rails to manage side loads. This SED does not hold position on air loss; for fail-safe holding, use a BSED double-rod lock or external rod lock. Drop-in replacement requires matching the 80mm bore, 950mm stroke, PT3/8 port, and mounting (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 SED80X950S FAQ
The SED80X950S generates equal force in both directions because of the double-rod design. It delivers 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and a maximum of 463 kgf at 1.0 MPa.
The twin 25mm rods provide anti-rotation guidance and allow the rear rod to drive a secondary mechanism. It is a true ISO 15552 profile cylinder, ensuring dimensional interchangeability without external tie rods.
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