Airtac SAIJ160 Adjustable Cylinder SAIJ160BX350-40S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX350-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 350mm 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
- Stroke350 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX350-40S
The AirTAC SAIJ160X350-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits a usable travel window of 310 to 350 mm. Equipped with a SUS304 stainless steel rod and a PT G3/4 port, it delivers a substantial 18095 N pull force at 0.9 MPa. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated magnet supports AirTAC CMSE reed and DMSE electronic solid-state switches for precise position detection.
This adjustable model lets you fine-tune the retract end position during commissioning without adding external stops or swapping the cylinder. The rear screw acts purely as a travel stop and works with the variable air cushion to decelerate the load; it does not hold the load without live air pressure. The SAIJ mounting set is restricted to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX350-40S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX350-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 350 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 SAIJ160BX350-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×350 | 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 SAIJ160BX350-40S Is Used
Machine Changeover
Dial in the 310-350 mm retract position during product size changes without physically replacing the cylinder or adding external stopper blocks.
Heavy Pressing
Leverage the 14074 N push force at 0.7 MPa to securely seat heavy components, using the 40 mm adjustment window to dial in the exact contact depth.
Material Handling
Move heavy pallets or fixtures on a 350 mm stroke, relying on the built-in magnet and DMSE sensors to confirm end-of-travel positions.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX350-40S the Right Cylinder?
Choose this 160 mm bore when the 100 mm bore's 7068 N extend force at 0.9 MPa is insufficient for heavy positioning tasks. An adjustable stroke is ideal for machines requiring variable end-stops during product changeovers, whereas a fixed-stroke SAI is better for dedicated single-purpose operations. Because this cylinder lacks a mechanical lock, it cannot hold loads without live air; for fail-safe load holding, consider the SAIL air-released lock or BSAI clamp-lock cylinders. When matching an ISO 15552 replacement, verify the 350 mm stroke, 40 mm adjust range, PT G3/4 port, and the -S magnet. Since the stroke is 350 mm, the 40 mm SUS304 rod and M36x2 thread will still experience leverage forces, so an external guide is recommended to prevent side-loading damage.
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 SAIJ160BX350-40S FAQ
At 0.9 MPa operating pressure, this 160 mm bore cylinder provides 18095 N pull force and 14074 N push force at 0.7 MPa.
The rear adjuster screw allows you to shorten the nominal 350 mm stroke by up to 40 mm, creating a usable travel window of 310 to 350 mm for fine-tuning the end position.
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