Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-75S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 375mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ160 mm
- Stroke375 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-75S
The AirTAC SAIJ160X375-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 75 mm. This creates a usable stroke window of 300 to 375 mm, giving you precise end-position tuning at commissioning without needing to swap the barrel or bolt on external stops. As an extruded aluminum profile cylinder, it is dimensionally interchangeable per ISO 15552 mounting interfaces.
This model delivers substantial thrust, pushing with 14074 N at 0.7 MPa and pulling with 9425 N. It features a robust 40 mm SUS304 stainless steel rod and a PT tapered G3/4 port. The integrated -S magnet works seamlessly with AirTAC CMSE reed and DMSE solid-state sensors mounted in the dual-sided sensor grooves, while variable air cushions at both ends manage end-of-stroke deceleration.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 375 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | 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 SAIJ160 Adjustable Cylinder SAIJ160BX375-75S Is Used
Heavy Machinery Changeover
Dial in the 300-375 mm travel window during equipment setup to accommodate different large product sizes without physically replacing the cylinder.
Precision End-Stop Tuning
Fine-tune the retract position at commissioning using the rear adjuster, avoiding the need to machine external stopper blocks for the fixture.
Large Assembly Pressing
Leverage the 14074 N push force at 0.7 MPa to seat heavy components, relying on the built-in air cushion to decelerate the load smoothly.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-75S the Right Cylinder?
Choose this 160 mm bore when the 100 mm bore (offering 5497 N push at 0.7 MPa) is insufficient for heavy handling. The SAIJ160X375-75-S is selected specifically when a 375 mm travel needs in-field adjustability to a 300 mm minimum, ideal for product changeovers. The 40 mm SUS304 rod handles high side loads, but at 375 mm of unsupported travel, an external guide is recommended to prevent rod binding.
When matching an ISO 15552 replacement, specify: 160 mm bore, 375 mm stroke, 75 mm adjustment range, PT G3/4 port, SUS304 rod, and the -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for fail-safe load holding, use an external rod lock or pilot-operated check valve.
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 SAIJ160 Adjustable Cylinder SAIJ160BX375-75S FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder generates a push force of 14074 N and a pull force of 9425 N. The maximum push force reaches 18095 N at 0.9 MPa.
The rear adjuster acts as an external stopper that shortens the retract stroke. For this SAIJ160X375-75-S model, you can trim the nominal 375 mm stroke back by up to 75 mm, creating an adjustable travel window between 300 and 375 mm.
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