Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 70mm 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
- Stroke70 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-30S
The AirTAC SAIJ160X70-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers substantial thrust, offering 10053 N of pull force at 0.5 MPa and reaching 18095 N at 0.9 MPa. The barrel features sensor grooves on both sides to accommodate position feedback.
With a 70 mm nominal stroke and a 30 mm adjustment range, the effective travel window can be fine-tuned anywhere from 40 to 70 mm. This rear stopper mechanism allows for precise end-position tuning during commissioning without adding external stops. It includes a SUS420J2 stainless steel rod, a PT tapered port connection, and a magnet for use with CMSE reed and DMSE electronic sensors.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 70 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 SAIJ160AX70-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×70 | 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 SAIJ160AX70-30S Is Used
Heavy Pressing Operations
Provides up to 18095 N of push force at 0.9 MPa for heavy pressing, stamping, and forming tasks that require precise end-position tuning.
Product Changeover
Dialing the stroke back by up to 30 mm allows operators to quickly adapt machinery for varying product dimensions without physically replacing the cylinder.
Automated Assembly
Ideal for robust assembly line actuators where the exact full extension point must be dialed in during initial machine commissioning to prevent mechanical interference.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX70-30S the Right Cylinder?
Choose this 160 mm bore when an application requires heavy force capacity that a 125 mm bore cannot provide, as the 125 mm variant yields 6136 N of push force at 0.5 MPa compared to this model's 10053 N. The adjustable stroke is ideal for machine setups requiring variable end-stops or product-size changeovers, negating the need to swap out a fixed-stroke SAI cylinder. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
The rear adjuster functions strictly as a travel stop to set deceleration, not as a locking mechanism. It cannot hold a load without continuous live air pressure. For true fail-safe load holding, select an SAIL air-released lock cylinder, a BSAI clamp-lock, or integrate an external pilot-operated check valve. Operating speed for this 160 mm bore is 30-500 mm/s.
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 SAIJ160AX70-30S FAQ
At 0.5 MPa, it provides 10053 N of pull force and 14074 N of push force. At 0.9 MPa, the push force reaches 18095 N. The operating speed range for this 160 mm bore is 30-500 mm/s.
The rear adjuster acts as a mechanical stop that trims the effective stroke. For this 70 mm nominal stroke cylinder, the adjuster allows you to shorten the usable travel down to 40 mm, creating a 40-70 mm adjustable window without altering the ISO 15552 mounting footprint.
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