Airtac Adjustable Cylinder SAIJ32 SAIJ32BX700-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX700-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 700mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke700 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX700-20
The AirTAC SAIJ32X700-20 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 700 mm stroke that can be fine-tuned down by up to 20 mm, creating a precise 680-700 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod and PT tapered ports.
This adjustable-stroke design allows you to dial in the retract end-position during commissioning without swapping the cylinder or adding external stops. The rear adjuster acts purely as a travel stop and works alongside standard air cushions at both ends to decelerate the load. For position holding without live air pressure, an external rod lock or related SAIL lock cylinder is required.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX700-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX700-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 700 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32BX700-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×700 | 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 Adjustable Cylinder SAIJ32 SAIJ32BX700-20 Is Used
Machine Changeover
Dial in the 680-700 mm retract position during product size changes without physically replacing the actuator.
End-Stop Tuning
Fine-tune the final resting position of a tooling head at commissioning using the rear adjustment screw.
Variable Diverting
Adjust the stroke length on the fly for a pneumatic diverter arm handling different package sizes.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX700-20 the Right Cylinder?
Choose this 32 mm bore when you need 402 N push force at 0.5 MPa with exact end-position control over a long 700 mm travel. If your application requires less force, stepping down is not an option below 32 mm in this series, but stepping up to a 40 mm bore yields 628 N. The adjustable 680-700 mm window is perfect for machine setups requiring variable end-stops, whereas a fixed SAI cylinder lacks this commissioning flexibility.
Because this cylinder features a 700 mm stroke, the 12 mm rod needs external guidance to prevent excessive side-loading and premature seal wear. To match this ISO 15552 footprint exactly, specify the 32 mm bore, 700 mm stroke, 20 mm adjustment, PT port thread, and your desired mounting style from the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, or TCM2.
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 Adjustable Cylinder SAIJ32 SAIJ32BX700-20 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 20 mm, providing a usable travel window of 680 to 700 mm. This stopper sets the end position but does not lock the load without live air pressure.
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