
The AirTAC Airtac SAI50 Standard Cylinder SAI50AX155 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø50mm bore and 155mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAI50X155 is a double-acting ISO 15552 profile cylinder featuring a 50mm bore and a 155mm stroke. Because 155mm falls outside the standard incremental lengths, this is a made-to-order non-standard stroke built to exact travel requirements. It provides 982N of push force and 825N of pull force at 0.5 MPa, making it well-suited for medium-duty handling tasks.
This unit is configured with a SUS420J2 stainless steel piston rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE or DMSE switches, provided a magnet is specified.
| Model | Airtac SAI50 Standard Cylinder SAI50AX155 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø50 mm |
| Stroke | 155 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| 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 |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 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 | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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. |
|---|---|
| 50 | Bore size in mm. |
| ×155 | 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.
Ideal for securing workpieces during machining, utilizing its 982N push force at 0.5 MPa to hold components firmly in jigs and fixtures.
The 155mm non-standard stroke is tailored for short-travel sorting gates, pushing products off conveyor belts with precise motion.
Perfect for extracting totes or pallets from storage racks, where the SUS420J2 stainless rod offers reliable performance in varied warehouse environments.
If your application requires less force, stepping down to a 40mm bore yields 628N push at 0.5 MPa; conversely, upgrading to a 63mm bore provides 1559N. Because this 155mm stroke exceeds 100mm, be mindful of side-load-induced rod-bearing bending—utilizing an external guide or a guided cylinder will prevent premature wear. As a true ISO 15552 profile cylinder, this model is dimensionally interchangeable with other ISO 15552 cylinders. To match this exact unit, select a 50mm bore, 155mm stroke, PT port thread, and your required mounting accessory (such as an FA flange or LB foot).
Quick checklist
At 0.5 MPa, this 50mm bore cylinder provides 982N of push force and 825N of pull force. At 0.7 MPa, the push force increases to 1374N.
Yes, the SAI50X155 is a genuine ISO 15552 profile cylinder, meaning its mounting interface is dimensionally interchangeable with other standard ISO 15552 cylinders of the same bore size.
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