Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 225mm 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
- Stroke225 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50S
The AirTAC SAIJ160X225-50-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits an effective travel window of 175-225 mm. Equipped with a SUS304 stainless steel rod and a -S magnet, it integrates seamlessly with AirTAC CMSE reed and DMSE electronic sensors housed within the dual-side barrel grooves. This 160 mm bore delivers substantial thrust, yielding 14074 N push and 9425 N pull at 0.7 MPa.
Because the rear adjuster acts purely as a mechanical stop to trim the retract end-position, it does not lock the load without live air pressure; for dead-air holding you must use a SAIL or BSAI variant. The extruded aluminum profile utilizes a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. Fluid supply connects via PT G3/4 ports, and the unit includes 50 mm variable air cushions at both ends to decelerate heavy masses.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 225 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 SAIJ160BX225-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×225 | 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 SAIJ160BX225-50S Is Used
Variable End-Stop Setup
Dial in the retract position within the 175-225 mm window during machine commissioning to perfect product alignment without machining new spacers.
Product Size Changeover
Quickly adapt automated lines to new packaging dimensions by turning the rear adjuster, trimming the stroke by up to 50 mm to match the new format.
Heavy Pressing Operations
Leverage the 18095 N pull force at 0.9 MPa for heavy-duty forming and pressing tasks, tuning the exact end-of-stroke contact pressure on the fly.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX225-50S the Right Cylinder?
Choose this 160 mm bore when your application requires up to 14074 N push force at 0.7 MPa; stepping down to a 125 mm bore drops that output to 8590 N, while moving up to a 200 mm bore increases it to 21991 N. The 50 mm adjustment range is ideal for product changeovers, allowing operators to dial in a new end-stop during commissioning without physically swapping the cylinder or adding external shims. To replace an ISO 15552 cylinder, match the 160 mm bore, 225 mm stroke, 50 mm adjust, PT G3/4 port, and the desired mounting bracket. Since the 225 mm stroke exceeds 300 mm? No, it is 225 mm, but still, with a 40 mm rod and M36x2 thread, long unsupported strokes demand an external guide to prevent side-load damage.
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 SAIJ160BX225-50S FAQ
The rear adjusting screw acts as a mechanical stop that shortens the effective stroke by up to 50 mm. This gives a usable travel window of 175-225 mm, allowing precise end-position tuning at commissioning without swapping cylinders.
At 0.7 MPa operating pressure, it provides a push force of 14074 N and a pull force of 9425 N. At the maximum 1.0 MPa pressure, the push force reaches 18095 N.
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