
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX375-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 375mm 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 AirTAC SAIJ80X375-10 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N push force at 0.5 MPa and features a 375mm nominal stroke that can be fine-tuned down by up to 10mm, providing a precise 365-375mm usable travel window. This built-in adjustability allows you to dial in the retract end position during commissioning without adding external stops.
This bore size utilizes a 25mm piston rod and G3/8 ports, handling speeds of 30-800mm/s. This specific configuration includes a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance. The extruded aluminum barrel incorporates sensor grooves on both sides, and while this unit lacks a magnet, adding an -S suffix enables compatibility with AirTAC CMSE reed and DMSE electronic solid-state sensors.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX375-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 375 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. |
| ×375 | 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.
Quickly adjust the 365-375mm retract position to accommodate slight variations in product dimensions without swapping out the entire cylinder.
Provides a precise mechanical stop for pallets or workpieces, allowing 10mm of fine-tuning to perfect the halt location on the line.
Delivers 2513N of pressing force at 0.5 MPa, with the rear screw allowing exact depth calibration for delicate seating operations.
Choose this 80mm bore when an application requires more thrust than a 63mm cylinder (which provides 1559N push at 0.5 MPa) but does not warrant the size and air consumption of a 100mm bore (3927N push). The 10mm adjustment range is ideal for minor mechanical tuning during product changeovers, offering flexibility that a fixed-stroke SAI cylinder cannot match. Because the nominal stroke is 375mm, an external guide is recommended to support the load and prevent excessive side-loading on the rod.
When specifying a replacement, match the 80mm bore, 375mm stroke, 10mm adjustment, PT tapered port thread, and the absence of a magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true pneumatic locking, consider the SAIL or BSAI series.
Quick checklist
At 0.5 MPa operating pressure, this 80mm bore cylinder generates a push force of 2513N and a pull force of 2268N. At 0.7 MPa, the push force increases to 3518N.
The rear adjuster screw allows you to shorten the 375mm nominal stroke by up to 10mm, creating a 365-375mm travel window. It acts as a mechanical stop to fine-tune the end position and does not function as a load-holding lock.
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