Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 950mm 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
- Stroke950 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20
The AirTAC SAIJ160X950-20 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 950mm nominal stroke that can be fine-tuned backward by up to 20mm, yielding a 930-950mm usable travel window for precise end-position calibration. This bore delivers substantial power, generating 14074N of push force and 9425N of pull force at a 0.7 MPa operating pressure.
Equipped with a 40mm SUS420J2 stainless steel rod (code A) and a PT G3/4 tapered port, it handles demanding environments. The extruded aluminum barrel incorporates sensor grooves on both sides for flexible detection mounting. While the integrated air cushions manage end-of-stroke deceleration, the external adjuster acts only as a mechanical stop and cannot hold a load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 950 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 SAIJ160AX950-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×950 | 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 SAIJ160AX950-20 Is Used
Heavy Press Tuning
Dial in the exact 930-950mm end position during heavy press commissioning to accommodate material thickness variations without adding external mechanical stops.
Pallet Changeover
Quickly adjust the stroke end-stop on the fly to handle different pallet sizes on a transfer line, minimizing downtime between production runs.
Large Assembly Fixturing
Fine-tune the retraction point of large-scale assembly tooling to ensure precise component mating, leveraging the 10053N push force available at 0.5 MPa.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX950-20 the Right Cylinder?
Select this 160mm bore when a 125mm cylinder (providing 8590N push at 0.5 MPa) cannot meet your thrust requirements, but step up to a 200mm bore if your application exceeds 14074N at 0.7 MPa. An adjustable-stroke design is ideal for machine setups requiring variable end-stops or commissioning tweaks without physically swapping out the cylinder. For exact drop-in ISO 15552 replacement, verify your bore size, 950mm stroke, 20mm adjustment range, PT G3/4 port, and required mounting style.
Because this cylinder features a 950mm stroke, the long unsupported piston rod is highly susceptible to side-loading forces; an external guide rail must be incorporated to prevent premature seal wear. Note that the rear adjuster and air cushions only manage travel end positions—they do not function as a lock. For fail-safe load holding without live air, consider an AirTAC 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 SAIJ160AX950-20 FAQ
At a 0.7 MPa operating pressure, this 160mm bore cylinder generates 14074N of push force and 9425N of pull force. At the maximum 1.0 MPa pressure, it provides up to 18095N of push force.
The rear adjuster screw allows you to trim the effective stroke back by up to 20mm from the 950mm nominal length, creating a 930-950mm travel window. It functions as a mechanical stop to fine-tune the end position and does not lock the load without continuous air pressure.
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