Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-10
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 550mm 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
- Stroke550 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-10
The AirTAC SAIJ160X550-10 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers a robust 14074N of push force at 0.7 MPa, paired with a 550 mm nominal stroke that can be dialed back by up to 10 mm. This yields a 540-550 mm usable travel window, allowing precise end-position tuning at commissioning without adding external stops.
This heavy-duty unit is configured with a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered port threads. It uses a 40 mm rod and M36x2 thread, providing high rigidity. However, because the rear adjuster acts only as a travel stop and the air cushions manage deceleration, neither will hold a load without live air pressure—use SAIL or BSAI variants for true locking needs.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-10 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 550 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 SAIJ160BX550-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×550 | 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 SAIJ160BX550-10 Is Used
Heavy Press Tuning
Dial in the exact 540-550 mm end-of-stroke position during heavy press commissioning to accommodate material thickness variations without swapping cylinders.
Product Changeover
Adjust the retract stop on automated assembly lines when switching to a new product size, saving downtime compared to replacing fixed-stroke actuators.
Long-Stroke Alignment
Fine-tune the end position on a 550 mm stroke handling system to perfectly align large workpieces, using the rear screw instead of external shims.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-10 the Right Cylinder?
Choose this 160 mm bore when 10053N of push force at 0.5 MPa is required, stepping up from the 100 mm bore which provides 3927N. The 10 mm adjustable range is ideal for fine-tuning a long 550 mm stroke during machine setup or product changeover, avoiding the need to physically swap a fixed-stroke SAI cylinder. For an ISO 15552 replacement, match the 160 mm bore, 550 mm stroke, 10 mm adjustment, PT G3/4 ports, and SUS304 (B) rod material; note that no magnet is specified for sensors.
With a 550 mm stroke, the long unsupported piston rod is susceptible to side-loading and sag; an external guide is recommended to prevent premature seal wear. The mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. Operating speed is 30-500 mm/s.
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 SAIJ160BX550-10 FAQ
At 0.7 MPa it provides 14074N of push force and 9425N of pull force. At 0.9 MPa, the push force increases to 18095N, with a maximum rated force of 2050 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the effective stroke by up to 10 mm, creating a 540-550 mm travel window. It acts as a mechanical stop to tune the end position and does not lock the load without live air pressure.
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