Airtac SAIJ100 Adjustable Cylinder SAIJ100X375-40
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X375-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 375mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke375 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X375-40
The AirTAC SAIJ100X375-40 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers a robust 7068N of push force at 0.9 MPa and provides a usable travel window of 335 to 375mm. This built-in adjustability allows you to fine-tune the retract end position at commissioning without swapping the cylinder or adding external stops.
The extruded aluminum barrel includes sensor grooves on both sides for CMSE and DMSE switches. With a 25mm carbon steel rod and M20x1.5 thread, it handles high side loads well, though a 375mm stroke still benefits from an external guide. The mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X375-40 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X375-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 375 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100X375-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | 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.
Where the Airtac SAIJ100 Adjustable Cylinder SAIJ100X375-40 Is Used
Machine Setup & Changeover
Dial in the exact retract distance during product size changes without disassembling the fixture or swapping cylinders.
Variable End Stops
Set precise retraction limits on diverter arms and positioning stops directly at the machine commissioning stage.
Heavy Load Positioning
Move and position heavy assemblies with 7068N of push force while retaining the flexibility to trim travel by up to 40mm.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X375-40 the Right Cylinder?
Choose this 100mm bore when an application requires heavy thrust (7068N push at 0.9 MPa) alongside variable end-stop positioning. If you need less force, stepping down to an 80mm bore yields 4523N push force. The 40mm rear adjustment screw is ideal for product changeovers on a line, letting you dial in the exact retract distance on the fly. Remember that the rear adjuster acts as a travel stop, not a lock; the cylinder will not hold its load without live air. For true load-holding without pressure, consider an external rod lock or the AirTAC SAIL or BSAI series.
This model is dimensionally interchangeable per ISO 15552 standards. To match this exact configuration, specify a 100mm bore, 375mm stroke, 40mm adjustment, PT port thread, and no magnet (-S). For strokes of 300mm or more, always ensure an external guide is used to prevent rod binding and premature seal wear.
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 SAIJ100 Adjustable Cylinder SAIJ100X375-40 FAQ
It features a rear adjusting screw that allows you to shorten the effective stroke by up to 40mm, providing a usable travel window of 335 to 375mm. The adjuster acts as a mechanical stop to fine-tune the end position and does not lock the load without live air pressure.
At an operating pressure of 0.9 MPa, this 100mm bore cylinder generates 7068N of push force and 6591N of pull force. It operates at speeds between 30 and 800 mm/s.
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