Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 65mm 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
- Stroke65 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-20S
The AirTAC SAIJ32X65-20-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 45 to 65 mm, allowing you to dial back the nominal 65 mm stroke by up to 20 mm during commissioning. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS420J2 stainless steel rod (option A) for corrosion resistance and includes a magnet for position sensing.
This model uses a PT G1/8 port and adjustable air cushions at both ends to decelerate the load. The rear adjuster acts as a travel stop, not a lock, so live air pressure is required to hold the load. For load-holding without pressure, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 65 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 SAIJ32AX65-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×65 | 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 SAIJ32AX65-20S Is Used
End-Position Tuning
Dial in the exact 45 to 65 mm travel distance during machine setup without adding external physical stops.
Product Changeover
Quickly adjust the retract end-stop to accommodate varying part sizes on a single assembly line.
Light-Duty Clamping
Provides 402 N of precise, repeatable clamping force for small components and delicate fixtures.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX65-20S the Right Cylinder?
Choose this 32 mm bore when 402 N of thrust at 0.5 MPa is sufficient for your task; step up to the 40 mm bore if you need 628 N. The adjustable 45-65 mm window is ideal for variable end-stops or product-size changeovers, saving you from swapping a fixed-stroke SAI cylinder. Because it carries a -S magnet, you can track position using AirTAC CMSE reed or DMSE electronic sensors.
As a dimensionally interchangeable ISO 15552 cylinder, it replaces units with a 32 mm bore, 65 mm stroke, 20 mm adjustment, PT G1/8 port, and Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting. The 12 mm rod and M10x1.25 thread handle moderate side loads, though external guides are recommended for unsupported loads.
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 SAIJ32AX65-20S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 82 kgf.
The rear adjuster screw lets you shorten the effective travel from the 65 mm nominal stroke down to 45 mm. This creates a 20 mm adjustable window for fine-tuning the retract end position without replacing the cylinder.
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Standard models usually ship in 3-4 days.
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