Airtac SAID80 Double Rod Cylinder SAID80X45
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80X45 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 45mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke45 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
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About the Airtac SAID80 Double Rod Cylinder SAID80X45
The AirTAC SAID80X45 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 80mm bore and 45mm stroke. Because a carbon steel rod exits both end covers, the effective piston area is identical on extend and retract, yielding equal force and speed in both directions. This design generates 2268N of thrust each way at 0.5 MPa, scaling up to 4082N at 0.9 MPa.
A core advantage of the twin-rod layout is dual-side guidance, which significantly improves resistance to torsion and side loads compared to a single-rod SAI. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches. Note that the rear rod protrudes during operation, requiring additional clearance behind the rear cover.
Airtac SAID80 Double Rod Cylinder SAID80X45 Technical Specifications
| Model | Airtac SAID80 Double Rod Cylinder SAID80X45 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 45 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| 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 |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID80 Double Rod Cylinder SAID80X45
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×45 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAID80 Double Rod Cylinder SAID80X45 Is Used
Symmetric Transfer
Drives a workpiece from one side while the opposing rod end moves an identical secondary load, maintaining perfectly balanced motion.
Anti-Rotation Slides
The dual-rod geometry prevents the piston from twisting under offset loads, providing stable linear guidance for precision slides.
Through-Rod Sensing
Mounts a position flag or cam on the rear rod extension to trigger external limit switches without interfering with the primary work area.
Is the Airtac SAID80 Double Rod Cylinder SAID80X45 the Right Cylinder?
Select this 80mm bore model when an application demands symmetric thrust and anti-rotation guidance that a standard single-rod cylinder cannot provide. If your mechanism requires less force, stepping down to the 63mm bore offers 1402N both ways at 0.5 MPa; if you need higher throughput, the 100mm bore provides 3681N. The SAID80X45 uses a G3/8 port and supports mounting accessories Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR variants found on single-rod units.
This cylinder is dimensionally interchangeable with other ISO 15552 double-rod cylinders, ensuring a seamless drop-in replacement. The adjustable air cushions at both ends decelerate the piston near stroke limits to minimize impact, but they do not hold the load. If your system loses air pressure, the piston will drift; for position holding, consider an external pilot-operated check valve or the BSAID clamp-lock variant.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAID80 Double Rod Cylinder SAID80X45 FAQ
Because it is a double-rod cylinder, the force is identical in both extend and retract directions. It provides 2268N at 0.5 MPa, 3175N at 0.7 MPa, and 4082N at 0.9 MPa.
Yes, the SAID80X45 is a profile cylinder built to ISO 15552 mounting dimensions, making it interchangeable with other ISO 15552 double-rod cylinders. Just ensure you use the SAID mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
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