Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 75mm 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
- Stroke75 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-30S
The AirTAC SAIJ160X75-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 75 mm travel by up to 30 mm for a precise 45-75 mm usable window. Built with a SUS304 stainless steel rod and a PT tapered port, it delivers robust thrust, pushing 14074 N at 0.7 MPa. The extruded aluminum barrel features sensor grooves on both sides to accommodate CMSE reed and DMSE electronic switches.
This adjustable design eliminates the need to swap cylinders or bolt on external stops during product changeovers. The rear screw acts purely as a travel stop for end-position tuning and relies on the variable air cushion for deceleration; it does not hold the load without live air pressure. For load-holding requirements without continuous air, consider an external rod lock or the related SAIL series.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 75 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 SAIJ160BX75-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×75 | 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 SAIJ160BX75-30S Is Used
Heavy Press Tuning
Fine-tune the exact bottoming position of a high-force press during setup, using the 45-75 mm window to compensate for material thickness variations without changing tooling.
Product Changeover
Rapidly adjust the retract end-stop on a packaging line when switching between different container sizes, leveraging the 30 mm trim range to avoid mechanical rebuilds.
Heavy Clamp Positioning
Secure heavy workpieces by dialing in the exact clamping depth, relying on the 10053 N pull force at 0.5 MPa while using the rear stop to set the precise clearance.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-30S the Right Cylinder?
Choose this 160 mm bore when an 80 mm cylinder's 3518 N push force at 0.5 MPa is insufficient, providing a massive 10053 N at the same pressure. The adjustable 45-75 mm window is ideal for fine-tuning retraction distances at commissioning without machining new hard stops. When matching ISO 15552 replacements, verify the 75 mm stroke, 30 mm adjustment range, PT port thread, and the -S magnet option.
Although the stroke is short, the 40 mm rod diameter handles high side loads well, but external guiding is always recommended for heavy payloads. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
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 SAIJ160BX75-30S FAQ
At 0.7 MPa operating pressure, this 160 mm bore cylinder provides a push force of 14074 N and a pull force of 9425 N. At the maximum 1.0 MPa pressure, it achieves a push force of 18095 N.
The rear adjuster screw allows you to shorten the 75 mm nominal stroke by up to 30 mm, creating a usable travel window of 45 to 75 mm. This stopper sets the retraction end position and works with the air cushion for deceleration, but it does not lock the load without live air pressure.
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