Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-50 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 SAIJ32BX65-50
The AirTAC SAIJ32X65-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down to a 15-65 mm window. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
This adjustable model lets you dial in the exact retract end-position during commissioning or product changeovers without swapping the cylinder or adding external stops. The rear adjuster acts solely as a travel stop to set deceleration and does not hold the load without live air; for position holding without pressure, consider the SAIL or BSAI series. It supports a speed range of 30-800 mm/s and uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-50 |
|---|---|
| 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 SAIJ32BX65-50
| 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 SAIJ32BX65-50 Is Used
Machine Setup Commissioning
Dial in the exact 15 to 65 mm retract position during initial machine build without machining new stopper blocks or changing the cylinder.
Product Size Changeover
Quickly adjust the stroke window on packaging lines when switching between different package lengths, minimizing downtime.
Variable End-Stop Clamping
Fine-tune the clamping reach on test fixtures where part dimensions vary, using the rear screw to set the precise travel limit.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX65-50 the Right Cylinder?
Choose this 32 mm bore cylinder when your application requires 402 N of push force at 0.5 MPa and highly variable end-stops, whereas stepping down is not an option if you need to maintain this baseline thrust. The 50 mm adjustment range on a 65 mm nominal stroke provides a massive 15-65 mm usable window, making it ideal for prototyping or lines with frequent product size changes. If you need fixed travel without commissioning adjustments, the standard SAI series is a simpler alternative.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 65 mm stroke, 50 mm adjustment range, PT port threads, and your required mounting bracket. Because this configuration lacks a magnet, it will not work with CMSE or DMSE sensors; add an -S suffix if piston position detection is needed. The 12 mm rod and M10x1.25 thread handle moderate side loads, but always guide the load externally to prevent binding.
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 SAIJ32BX65-50 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides a push force of 402 N and a pull force of 345 N. It can reach a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw allows you to shorten the 65 mm nominal stroke by up to 50 mm, creating a usable travel window of 15 to 65 mm. The adjuster acts only as a mechanical stop to set the end position and does not lock or hold the load without continuous air pressure.
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