Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-75S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 850mm 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
- Stroke850 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-75S
The AirTAC SAIJ160X850-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits fine-tuning of the retract end position. Its 850 mm nominal stroke can be dialed back by up to 75 mm, yielding a usable travel window of 775 to 850 mm. This allows precise end-position tuning during commissioning without swapping the cylinder or adding external stops.
Equipped with an SUS420J2 stainless steel rod (option A) and a PT tapered port thread, this large-bore 160 mm unit generates a substantial 18095 N of push force at 0.9 MPa. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated -S magnet supports position detection via AirTAC CMSE reed and DMSE electronic solid-state switches.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 850 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 SAIJ160AX850-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×850 | 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 SAIJ160AX850-75S Is Used
Large-Press Feed Setup
Dial in the exact 775 to 850 mm feed length during heavy-gauge press commissioning, accommodating material thickness variations without changing hardware.
Pallet Positioning Stop
Acts as a robust 18095 N stop for oversized pallets, with the 75 mm adjuster allowing rapid adaptation to different pallet depths on the same line.
Heavy-Duty Forming End-Stop
Provides a highly rigid, tunable end-position stop for large metal forming operations, using the rear screw to set the exact retract distance for varied part geometries.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX850-75S the Right Cylinder?
Selecting this 160 mm bore model provides 10053 N of thrust at 0.5 MPa, bridging the gap between the 125 mm bore (6136 N) and the massive 200 mm bore (15708 N). The adjustable stroke is ideal for machinery requiring variable end-stops or product-size changeovers, offering setup flexibility that a fixed-stroke SAI cylinder cannot match.
Because the stroke is 850 mm, an external guide is recommended to prevent excessive side-load wear on the rod and M36x2 thread. The rear adjuster acts purely as a travel stop and does not hold the load without live air; for true fail-safe load holding, consider an AirTAC SAIL pneumatic lock, a BSAI clamp-lock cylinder, or an external rod lock. This cylinder uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR mounts.
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 SAIJ160AX850-75S FAQ
At 0.9 MPa operating pressure, this 160 mm bore cylinder generates 18095 N of push force and 9425 N of pull force. At 0.5 MPa, it provides 10053 N push and 9425 N pull.
The external rear adjuster screw acts as a mechanical stop that can shorten the 850 mm nominal stroke by up to 75 mm, giving an effective travel range of 775 to 850 mm. It sets the end position but does not lock or hold the load without continuous air pressure.
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