Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 325mm 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
- Stroke325 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30
The AirTAC SAIJ160X325-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits a usable travel window of 295 to 325 mm. Built with a SUS304 stainless steel rod and PT tapered ports, it delivers a robust 14074 N push force at 0.7 MPa. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
Because the rear adjuster acts purely as a mechanical stop to fine-tune end positions, it does not hold the load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series. This SAIJ model supports a speed range of 30-500 mm/s and uses a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 325 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 SAIJ160BX325-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×325 | 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 SAIJ160BX325-30 Is Used
Heavy Pressing
Dial in the exact 295-325 mm travel end position during machine setup to apply consistent 14074 N clamping force without external stops.
Product Changeover
Quickly adjust the rear stopper to accommodate new product sizes on the line, reducing downtime and eliminating the need to swap cylinders.
Machine Assembly
Fine-tune the end-of-stroke position during commissioning to ensure precise alignment of heavy components without mechanical shims.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30 the Right Cylinder?
Choose this 160 mm bore when the 100 mm bore class maxes out at 5497 N push at 0.7 MPa, providing a substantial step up to 14074 N for heavy pressing or clamping. An adjustable stroke is ideal for product changeover, allowing you to dial in the exact end position without swapping cylinders or adding external stops. At 325 mm of travel, the 40 mm rod diameter handles significant loads, but long unsupported strokes require an external guide to prevent side-load wear. To replace an ISO 15552 cylinder, match the 160 mm bore, 325 mm stroke, 30 mm adjustment, PT ports, and the chosen mounting.
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 SAIJ160BX325-30 FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder provides 14074 N of push force and 9425 N of pull force. It reaches a maximum of 18095 N push at 0.9 MPa.
The rear adjuster acts as a mechanical stop that lets you shorten the 325 mm nominal stroke by up to 30 mm, creating a 295-325 mm usable travel window. It only sets the end position and does not lock the load without live air.
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