Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 50mm 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
- Stroke50 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40S
The AirTAC SAIJ160X50-40-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications, delivering a robust 10053N push force at 0.5 MPa. It features an extruded aluminum barrel with sensor grooves on both sides, and this configuration includes a SUS304 stainless steel rod (code B) alongside PT threaded ports.
Equipped with a rear stroke adjuster, this model allows you to fine-tune the end position at commissioning, shortening the 50mm nominal stroke by up to 40mm. This creates a highly versatile 10-50mm usable travel window, enabling rapid machine changeovers without swapping the cylinder or adding external stops.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 50 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 SAIJ160BX50-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×50 | 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 SAIJ160BX50-40S Is Used
Machine Setup Changeover
Fine-tune the 10-50mm travel window during product line changeovers to set exact end positions without physically swapping cylinders.
Heavy Clamping Stops
Leverage the 10053N thrust for heavy-duty clamping, using the rear stopper to dial in the exact grip distance on varying workpiece sizes.
Variable End-Position Dosing
Adjust the retract stroke on the fly for filling or pressing stations, accommodating different container heights without external mechanical stops.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX50-40S the Right Cylinder?
Choose this 160mm bore when an 80mm cylinder's 2513N push force at 0.5 MPa is insufficient, but you want to avoid stepping up to a massive 200mm body. The adjustable stroke is ideal for setups requiring precise end-position tuning during commissioning or product size changes. Remember, the rear adjuster is a travel stop, not a lock; the SAIJ does not hold loads without live air. For load-holding without pressure, consider the SAIL or BSAI series. When matching ISO 15552 replacements, verify the 50mm stroke, 40mm adjustment, PT G3/4 port, 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 SAIJ160BX50-40S FAQ
At 0.5 MPa, this 160mm bore cylinder provides a push force of 10053N and a pull force of 9425N. At 0.7 MPa, the push force increases to 14074N.
The rear adjuster screw acts as a mechanical stop that can trim the 50mm nominal stroke back by up to 40mm, giving a usable travel window of 10-50mm. It sets the end position but does not lock the load without live air pressure.
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