Airtac SAIJ160 Adjustable Cylinder SAIJ160BX750-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX750-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 750mm 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
- Stroke750 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX750-20
The AirTAC SAIJ160X750-20 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications, featuring a 160 mm bore and a 750 mm stroke. Equipped with a SUS304 stainless steel rod, it delivers a robust push force of 18095 N at 0.9 MPa. A rear-mounted adjusting screw allows you to fine-tune the effective travel, providing a usable stroke window of 730 to 750 mm without swapping out the entire unit.
This adjustable-stroke design eliminates the need for external stops during product changeovers or commissioning. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE or DMSE switches. It is important to note that the rear adjuster functions strictly as a travel stop to set deceleration endpoints, not as a locking device; load-holding without live air requires a SAIL or BSAI variant.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX750-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX750-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 750 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 SAIJ160BX750-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×750 | 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 SAIJ160BX750-20 Is Used
Heavy Machinery Setup
Dial in the exact 730 to 750 mm end-stop during heavy press commissioning to accommodate varying material thicknesses without adding external stopper blocks.
Product Size Changeover
Quickly adjust the retract position on an automated packaging line to handle different pallet sizes, utilizing the 20 mm rear trim to adapt the stroke on the fly.
Large Assembly Positioning
Leverage the 18095 N push force at 0.9 MPa to move heavy structural components into place, fine-tuning the final resting position via the rear screw.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX750-20 the Right Cylinder?
Selecting the SAIJ160X750-20 is ideal when a machine setup requires exact end-position tuning over a 730 to 750 mm travel window, avoiding the rigid constraints of a fixed-stroke SAI cylinder. If your application demands less force, stepping down to a 125 mm bore yields 11045 N of push force at 0.9 MPa, whereas moving up to a 200 mm bore provides 28274 N. Because this model features a 750 mm stroke, the 40 mm rod diameter and M36x2 thread provide substantial support, but an external guide is strongly recommended to manage side loads on such a long unsupported travel distance.
For a true ISO 15552 replacement match, verify the 160 mm bore, 750 mm stroke, PT tapered port threads, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), which intentionally omits FB, CA, CB, and CR brackets. This specific configuration ships without a magnet, so position sensing via CMSE or DMSE switches is not supported out of the box.
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 SAIJ160BX750-20 FAQ
At an operating pressure of 0.9 MPa, this 160 mm bore cylinder generates a push force of 18095 N and a pull force of 9425 N. The maximum push force reaches 10053 N at 0.5 MPa.
The rear adjusting screw acts as a mechanical stop that lets you shorten the 750 mm nominal stroke by up to 20 mm, creating a usable travel window of 730 to 750 mm. It only sets the travel end and does not lock the load without live air pressure.
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