Airtac SAID80 Double Rod Cylinder SAID80X300
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80X300 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 300mm 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
- Stroke300 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 SAID80X300
The AirTAC SAID80X300 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 300mm stroke and a 25mm carbon steel rod exiting both end covers. Because the piston area is equal on both sides, it generates 2268N of force in both extend and retract directions at 0.5MPa. This symmetric output is ideal for applications requiring consistent push and pull dynamics.
A through-rod design allows you to mount the primary workpiece on the front while attaching a cam, position flag, or secondary mechanism to the rear. The extruded aluminum barrel includes sensor grooves on both sides, though adding an -S magnet is required if you plan to use AirTAC CMSE (reed) or DMSE (electronic) switches. Note that the rear protrusion demands extra clearance in your machine layout.
Airtac SAID80 Double Rod Cylinder SAID80X300 Technical Specifications
| Model | Airtac SAID80 Double Rod Cylinder SAID80X300 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 300 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 SAID80X300
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×300 | 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 SAID80X300 Is Used
Symmetric Transfer
Drives a dual-sided transfer carriage where equal 2268N push and pull forces are required to move heavy jigs smoothly without deceleration lag.
Anti-Rotation Slide
Guides a precision vertical lift using the twin-rod geometry to prevent mechanical twisting under offset loads during the 300mm travel.
Through-Rod Sensing
Actuates a clamping fixture from the front rod while utilizing the rear rod extension to trigger an external limit flag for position verification.
Is the Airtac SAID80 Double Rod Cylinder SAID80X300 the Right Cylinder?
Choose this 80mm bore when an application demands equal 2268N bi-directional force and superior anti-rotation guidance that a single-rod SAI cannot provide. If your push/pull requirements are lower, stepping down to a 63mm bore yields 1402N both ways; if higher, a 100mm bore offers 3681N. The SAID supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR variants found on single-rod models.
Operating speed is 30-800mm/s. For this 300mm stroke, the extended 25mm rod and M20x1.5 thread can handle significant side loads, but an external guide is recommended to prevent rod-bearing bending. This cylinder uses PT tapered ports (G3/8). If the mechanism must hold position without live air pressure, note that the adjustable air cushions only decelerate the piston at stroke ends and do not function as a lock; consider a SAIL or BSAID variant for holding requirements.
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 SAID80X300 FAQ
Because it is a double-rod cylinder, the effective piston area is identical on both sides. It provides an equal force of 2268N in both extend and retract directions at 0.5MPa, scaling to 3175N at 0.7MPa.
Yes, the SAID80X300 is dimensionally interchangeable per ISO 15552 mounting interface dimensions. However, ensure your design includes the necessary rear-rod clearance, as the through-rod extends past the rear cover.
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