Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 90mm 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
- Stroke90 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-20
The AirTAC SAIJ160X90-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a robust 10053N of push force at 0.5 MPa. It features a SUS304 stainless steel rod and PT tapered ports. By turning the rear screw, you achieve a usable travel window of 70 to 90mm, allowing precise end-position tuning without swapping components.
This heavy-duty actuator utilizes an extruded aluminum barrel with sensor grooves on both sides. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. The rear adjuster acts strictly as a travel stop for deceleration, not a lock, so live air is required to hold the load.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 90 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 SAIJ160BX90-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×90 | 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 SAIJ160BX90-20 Is Used
Heavy Press Tuning
Fine-tune the 70-90mm end-stop during machine setup to apply precise 10053N clamping force on varying material thicknesses.
Product Changeover
Quickly adjust the rear stopper on a production line to accommodate different part sizes without changing the entire cylinder.
Heavy Load Positioning
Maneuver substantial components into exact alignment using the 40mm SUS304 rod before final locking via an external mechanism.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX90-20 the Right Cylinder?
Choose this 160mm bore when a 125mm cylinder (providing 6136N push at 0.5 MPa) lacks the necessary force, but a 200mm bore is physically too large. The 20mm adjustment window is perfect for product changeovers, letting you dial in the exact 70-90mm end-stop at commissioning without adding external stops. For a fixed end position, a standard SAI cylinder suffices.
When matching an ISO 15552 replacement, verify the 90mm stroke, 20mm adjustment, PT port thread, and the correct mounting bracket. Because the stroke is 90mm, side-load risks are minimal, but the M36x2 rod thread and 40mm rod diameter handle high axial stresses well. To hold position without air pressure, use a SAIL lock or BSAI clamp-lock cylinder instead of relying on the adjuster.
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 SAIJ160BX90-20 FAQ
At 0.5 MPa operating pressure, this 160mm bore cylinder provides 10053N of push force and 9425N of pull force. It can reach a maximum push force of 18095N at 0.9 MPa.
The rear adjuster screw allows you to shorten the 90mm nominal stroke by up to 20mm, creating a usable travel window of 70 to 90mm. This stopper fine-tunes the end position but does not lock the load without live air pressure.
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