Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 400mm 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
- Stroke400 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30
The AirTAC SAIJ160X400-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 400 mm travel by up to 30 mm. This creates a 370-400 mm usable window for fine-tuning the retract end position during commissioning without swapping hardware. It belongs to the 160 mm bore class, generating 14074 N of push force at 0.7 MPa.
This unit is built with a SUS304 stainless steel rod (code B) for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, though this specific SKU omits the magnet, meaning position sensing via CMSE or DMSE switches is not supported without modification. The rear screw acts purely as a travel stop to set deceleration, not as a lock to hold the load without live air.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 400 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 SAIJ160BX400-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×400 | 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 SAIJ160BX400-30 Is Used
Heavy Press Tuning
Dial in the exact 370-400 mm end position during machine commissioning to perfect pressing force without adding external stopper blocks.
Product Size Changeover
Quickly adjust the retract stop to accommodate different product lengths on an automated line, minimizing downtime between runs.
Large Material Handling
Move heavy workpieces using the 14074 N push force at 0.7 MPa, relying on the fine-tuned travel window to prevent overtravel damage.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX400-30 the Right Cylinder?
Selecting this 160 mm bore cylinder makes sense when an application requires heavy thrust up to 14074 N at 0.7 MPa, combined with on-the-fly end-position tuning. If you need less force, stepping down to a 125 mm bore yields 8590 N at 0.7 MPa, while moving up to a 200 mm bore provides 21991 N. The adjustable stroke is ideal for product changeovers on a line, providing a variable end-stop instead of relying on a fixed-stroke SAI cylinder.
Because the stroke is 400 mm, the 40 mm rod and M36x2 thread must contend with potential side loads; an external guide is recommended to prevent rod bending over this long travel. To replace an ISO 15552 cylinder, match the 160 mm bore, 400 mm stroke, 30 mm adjustment, PT G3/4 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that FB, CA, CB, and CR mounts are omitted. For load-holding without live air pressure, specify a SAIL or BSAI cylinder instead.
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 SAIJ160BX400-30 FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder provides a push force of 14074 N and a pull force of 9425 N. It can deliver a maximum push force of 18095 N at 0.9 MPa.
The rear adjuster screw allows you to shorten the 400 mm nominal stroke by up to 30 mm, providing a usable travel window of 370-400 mm. This stopper only sets the travel end and does not lock the load without live air pressure.
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