Airtac SAIJ160 Adjustable Cylinder SAIJ160BX425-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX425-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 425mm 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
- Stroke425 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX425-30
The AirTAC SAIJ160X425-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust for heavy-duty operations. It yields 14074N of push force at 0.7 MPa and up to 18095N at 0.9 MPa. By integrating a 30 mm adjustment mechanism, this unit provides a usable travel window between 395 and 425 mm, allowing operators to dial in the exact retract end-position during commissioning without external stops.
Built with a SUS304 stainless steel rod (option B), it maximizes corrosion resistance for harsh environments. The extruded aluminum barrel features dual sensor grooves, though this specific SKU omits the magnet, meaning CMSE or DMSE switches require an -S variant to function. Fluid control is managed via a G3/4 port, while the variable air cushions at both ends decelerate the substantial 40 mm rod smoothly.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX425-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX425-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 425 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 SAIJ160BX425-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×425 | 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 SAIJ160BX425-30 Is Used
Heavy Stamping Positioning
Fine-tune the 395-425 mm stroke window during die changeovers to accommodate varying material thicknesses without repositioning the entire cylinder assembly.
Large Assembly Pressing
Leverage the 18095N push force at 0.9 MPa to seat heavy industrial components, using the rear stopper to precisely set the final pressing depth.
Variable Length Bending
Adjust the retract end-stop on the fly to bend different profiles to exact lengths, relying on the robust 40 mm SUS304 rod for structural rigidity.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX425-30 the Right Cylinder?
Selecting this 160 mm bore cylinder is appropriate when an application demands extreme force, such as 9425N pull at 0.5 MPa, alongside precise end-position tuning. If the 395-425 mm adjustable travel window exceeds your spatial constraints or force needs, stepping down to a 125 mm bore provides 5734N pull at 0.5 MPa. Because the 425 mm stroke is substantial, the unsupported load requires an external guide to prevent side-loading damage to the rod and seals. The PT tapered port and SUS304 rod material are fixed on this configuration.
The rear adjuster acts strictly as a travel stop for position tuning, not a locking device; it cannot hold a load without continuous live air. For true load-holding in the event of pressure loss, consider the SAIL air-released lock or BSAI clamp-lock series. This SAIJ model utilizes a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets. It is dimensionally interchangeable per ISO 15552 without claiming direct brand equivalence.
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 SAIJ160BX425-30 FAQ
At 0.5 MPa it provides 10053N push and 9425N pull. At 0.9 MPa, the push force reaches 18095N. The maximum rated force is 2050 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the nominal 425 mm stroke by up to 30 mm, creating a 395-425 mm travel window. It serves as a physical stop for end-position tuning and does not lock the load without live air pressure.
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