Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 900mm 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
- Stroke900 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40S
The AirTAC SAIJ160X900-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 900 mm stroke by up to 40 mm for a precise 860-900 mm usable travel window. Built with a 40 mm SUS304 stainless steel rod and PT tapered ports, it delivers 10053 N of push force at 0.5 MPa. The extruded aluminum barrel features sensor grooves on both sides for direct mounting of CMSE reed and DMSE electronic switches.
Because the rear adjuster acts purely as a mechanical stop to fine-tune the end position during commissioning, it does not lock or hold the load without live air pressure. For load-holding applications without continuous pressure, consider the SAIL or BSAI series. This SAIJ model supports the reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 900 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 SAIJ160BX900-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×900 | 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 SAIJ160BX900-40S Is Used
Machine Setup Changeovers
Fine-tune the 860-900 mm travel window during product size changeovers to set new end positions without replacing the entire cylinder.
Variable End-Stop Positioning
Use the rear adjuster to dial in exact retraction points for multi-format tooling lines requiring precise 900 mm baseline positioning.
Heavy Assembly Calibration
Leverage the 10053 N push force at 0.5 MPa for heavy-duty assembly presses while calibrating the exact stroke end during initial commissioning.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40S the Right Cylinder?
Choose this 160 mm bore if you need heavy thrust beyond the 6136 N provided by the 125 mm bore at 0.5 MPa, but step down if 10053 N is excessive. An adjustable stroke is ideal for product changeovers or machine setups requiring variable end-stops without physically swapping the cylinder or adding external stops. At 900 mm, the stroke is standard but long; the 40 mm rod thread handles high stress, yet an external guide is strongly recommended to prevent rod sagging and side-load damage over this extended travel. To replace an ISO 15552 cylinder, match the 160 mm bore, 900 mm stroke, 40 mm adjustment, PT ports, SUS304 rod, and the -S magnet.
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 SAIJ160BX900-40S FAQ
At 0.5 MPa, this 160 mm bore cylinder provides 10053 N of push force and 9425 N of pull force. The operating speed range is 30-500 mm/s.
The rear adjuster acts as a mechanical stop that lets you trim the 900 mm nominal stroke back by up to 40 mm, creating an 860-900 mm usable travel window. It does not hold the load without live air.
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