The AirTAC Airtac SAI ISO Cylinders SAI80X360S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 360mm 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.
The SAI80X360-S is a double-acting AirTAC SAI cylinder with an 80 mm bore and 360 mm stroke, built on an extruded aluminium profile barrel that follows the ISO 15552 (ex-ISO 6431 / VDMA 24562) mounting standard. At 0.5 MPa it delivers about 2513 N on extension and 2268 N on retraction, rising to 3518 N at 0.7 MPa - a force class well suited to medium-duty sliding, lifting and clamping over a mid-length 360 mm travel. Adjustable air cushioning at both ends, 36 mm per end, decelerates the piston smoothly at each stroke terminus.
This -S version carries a magnet in the piston, so the grooves machined into both sides of the profile barrel accept AirTAC CMSE or DMSE reed switches for end-of-stroke or mid-stroke position signalling without any extra bracketry. The standard rod is carbon steel; if your medium is hot air or you need better chemical resistance, order the H seal variant with Viton, or specify an A (SUS420J2) or B (SUS304) rod.
| Model | Airtac SAI ISO Cylinders SAI80X360S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 360 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.
| 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.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×360 | 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.
Pushes cartons or trays sideways off a conveyor at up to 800 mm/s, with the 360 mm stroke covering wide product lanes and the -S magnet feeding stopper-position signals to the PLC.
Clamps jigs and workpieces with 2513 N of holding force at 0.5 MPa, leaving headroom to 3518 N if you raise supply pressure to 0.7 MPa.
Opens and closes sliding gates, hoppers or diverters in material handling systems; pair with external guides so the long 360 mm rod is never asked to carry side load.
At 2513 N push at 0.5 MPa, the 80 mm bore sits comfortably between the 63 mm bore (1559 N at 0.5 MPa) and the 100 mm bore (3927 N at 0.5 MPa). Step down to 63 if your load is under roughly 1200 N with a safety margin; step up to 100 if you are pushing near 2000 N or more. With 360 mm of unsupported rod, treat side load seriously: the 25 mm rod and its bearing will wear fast under lateral forces, so mount the work on an external guide or choose a guided cylinder arrangement, and keep the rod fully retracted during transport. Remember that a standard SAI cannot hold a suspended load if pressure is lost or the valve centres - the piston will drift - so add the SAIL lock variant or an external rod lock for fail-safe holding. To drop this cylinder in as an ISO 15552 replacement, match bore 80, stroke 360, the G3/8 port (order PT thread type if your piping is tapered), the same mounting accessory (LB foot, FA/FB flange, CA/CB clevis or TC trunnion family), and the -S magnet.
Quick checklist
At 0.5 MPa it pushes with about 2513 N and pulls with about 2268 N. At 0.7 MPa push force reaches 3518 N, and at 0.9 MPa it reaches 4523 N. The theoretical maximum at 1.0 MPa is roughly 513 kgf. Derate by your real load factor - 50-70% of these figures is a safe design target.
Yes, in principle. The SAI follows the ISO 15552 mounting interface, so it is dimensionally interchangeable with other ISO 15552 profile cylinders of the same bore and stroke. Match the 80 mm bore, 360 mm stroke, the G3/8 port (specify PT if you need tapered threads), the mounting accessory style, and the -S magnet if the original had position sensing. For a 360 mm stroke, also confirm the machine provides external guidance for side loads.
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