Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-50
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 375mm 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
- Stroke375 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-50
The AirTAC SAIJ160X375-50 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering robust thrust for heavy-duty automation. Based on a 160 mm bore, it generates 14074 N of push force at 0.7 MPa. The integrated 50 mm adjustment mechanism allows you to fine-tune the effective travel anywhere within a 325-375 mm window, providing precise end-position calibration without requiring external stops.
This unit features a SUS304 stainless steel rod for superior corrosion resistance and operates at speeds of 30-500 mm/s. The extruded aluminum barrel includes sensor grooves on both sides. Because the 375 mm stroke is substantial, the 40 mm rod diameter and M36x2 thread provide necessary rigidity, though an external guide is still recommended to manage side loads on long extensions.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-50 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 375 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 SAIJ160BX375-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×375 | 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 SAIJ160BX375-50 Is Used
Heavy Machinery Positioning
Dial in the exact 325-375 mm end-stop during heavy equipment assembly to accommodate varying part tolerances without machining new hard stops.
Product Changeover Diverter
Adjust the rear stroke by up to 50 mm on the fly to handle different package sizes on a packaging line, minimizing downtime between production runs.
Press Stroke Calibration
Fine-tune the retraction point of a 10053 N pulling operation to ensure precise mating of heavy components during manufacturing commissioning.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX375-50 the Right Cylinder?
Selecting this 160 mm bore cylinder is appropriate when your application requires high force, such as the 10053 N pull at 0.5 MPa, combined with variable end-positioning. If you need less force, stepping down to a 125 mm bore yields 8590 N push at 0.7 MPa. The adjustable stroke is ideal for product changeovers on a line, allowing you to dial in the 325-375 mm travel window during commissioning rather than swapping a fixed-stroke SAI cylinder.
When integrating this model, note that the rear adjuster functions strictly as a travel stop, not a locking device; it cannot hold a load without live air pressure. For load-holding requirements, consider an AirTAC SAIL or BSAI variant. This SKU uses PT tapered ports and supports mountings from the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR).
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 SAIJ160BX375-50 FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder provides a push force of 14074 N and a pull force of 13204 N. At the maximum 1.0 MPa pressure, it achieves a push force of 20053 N.
The rear adjuster acts as an external stopper that lets you shorten the nominal 375 mm stroke by up to 50 mm, creating a usable travel window of 325-375 mm. It sets the end position but does not lock the load without continuous air pressure.
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