Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40 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 SAIJ160BX900-40
The AirTAC SAIJ160X900-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the retract position. It provides a usable travel window of 860 to 900 mm, letting you dial back the stroke by up to 40 mm during commissioning. This bore delivers 9425 N of pull force at 0.5 MPa and 14074 N at 0.7 MPa.
The piston rod is SUS304 stainless steel (option B), offering excellent corrosion resistance for harsh environments. Unlike fixed-stroke SAI units, this model lets you set exact end-stops without adding external stopper blocks. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40 |
|---|---|
| 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 SAIJ160BX900-40
| 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 SAIJ160BX900-40 Is Used
Heavy Press Tuning
Fine-tune the 860-900 mm retract stop on a large press to accommodate varying material thicknesses without mechanical rebuilds.
Product Changeover
Adjust the end-of-stroke position on a conveyor diverter during line changeovers to handle different package sizes.
Machine Setup
Dial in the exact 860 mm minimum travel during initial equipment commissioning to prevent crashes and optimize cycle timing.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX900-40 the Right Cylinder?
Choose this 160 mm bore when you need heavy thrust and field-adjustable positioning. If your application requires less force, stepping down to a 125 mm bore yields 5734 N of pull at 0.5 MPa. Because the 900 mm stroke is long, you must use an external guide to prevent excessive side-load on the SUS304 rod. This cylinder uses a PT tapered port and is dimensionally interchangeable per ISO 15552. The mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2. For load-holding without live pressure, use a SAIL or BSAI cylinder instead.
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 SAIJ160BX900-40 FAQ
At 0.5 MPa it provides 10053 N of push force and 9425 N of pull force. At 0.7 MPa the push force increases to 14074 N.
The rear adjuster is a mechanical stop that lets you shorten the 900 mm nominal stroke by up to 40 mm, creating an 860-900 mm travel window. It does not lock the load without live air.
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