Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-75
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 550mm 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
- Stroke550 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-75
The AirTAC SAIJ160X550-75 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering a robust 10053N push force at 0.5 MPa. It features a SUS304 stainless steel rod and a PT tapered port. By turning the rear stopper screw, you can fine-tune the effective travel within a 475-550mm window, providing exact end-position control without swapping out the entire unit.
This 160mm bore actuator utilizes variable air cushions at both ends to decelerate heavy loads smoothly across its 550mm span. The rear adjuster acts purely as a mechanical stop to set the retraction point; it does not lock or hold the load without continuous live air pressure. For load-holding requirements, an external rod lock or a related SAIL pneumatic lock cylinder is required.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-75 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 550 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 SAIJ160BX550-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×550 | 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 SAIJ160BX550-75 Is Used
Heavy Fixture Positioning
Dial in the exact retraction point of large machining fixtures within the 475-550mm window during initial setup or tooling changes.
Product Size Changeover
Adapt automated conveyor diverter arms on the fly for different pallet lengths without physically replacing the actuator.
Large Assembly Presses
Provide substantial 10053N thrust at 0.5 MPa for pressing components while retaining the flexibility to trim the stroke by up to 75mm.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX550-75 the Right Cylinder?
Choose this 160mm bore when a 100mm bore falls short (delivering only 3927N push at 0.5 MPa) and you need heavy thrust for moving substantial fixtures. The 75mm adjustment range is ideal for product changeovers, allowing you to dial in the exact 475-550mm end-stop on the fly instead of machining external stops. Because the stroke is 550mm, the 40mm diameter rod needs external guidance to prevent side-loading damage on the seals.
To match this cylinder for an ISO 15552 replacement, verify the 160mm bore, 550mm stroke, 75mm adjustment, PT port threads, and the SUS304 rod material. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2. Note that without a magnet, it cannot host CMSE or DMSE sensors.
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 SAIJ160BX550-75 FAQ
At 0.5 MPa operating pressure, this 160mm bore cylinder provides 10053N of push force and 9425N of pull force. It can reach up to 18095N push force at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the nominal 550mm stroke by up to 75mm, yielding a usable travel window of 475-550mm. It sets the end position but does not hold the load without live air pressure.
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