Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 210mm 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
- Stroke210 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-20
The AirTAC SAIJ32X210-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 190-210 mm usable travel window, letting you dial back the 210 mm nominal stroke by up to 20 mm during commissioning. Built with a SUS304 stainless steel rod and PT tapered ports, it delivers 402 N of push force at 0.5 MPa.
This 32 mm bore unit relies on standard variable air cushions at both ends to decelerate the load. The rear stopper screw sets the retract end position but does not lock the load without live air pressure. It uses a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1 and TCM2, omitting FB, CA, CB and CR attachments.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 210 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 SAIJ32BX210-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×210 | 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 SAIJ32BX210-20 Is Used
Machine Setup Tuning
Dial in the exact 190 to 210 mm retract position during initial machine commissioning without machining external stopper blocks.
Product Changeover
Quickly adjust the end-of-stroke position by up to 20 mm when running a new product size on the line.
Variable End Stops
Use the built-in rear adjuster to fine-tune the clamping or pressing depth on the fly for delicate components.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-20 the Right Cylinder?
Choose this adjustable-stroke model when you need fine end-position tuning without swapping the cylinder or adding external stops. If your application requires less force, stepping down is not an option since 32 mm is the smallest SAIJ bore, but stepping up to a 40 mm bore provides 628 N of push force at 0.5 MPa. For holding a load securely without continuous air pressure, this cylinder will not suffice; consider an AirTAC SAIL or BSAI locking cylinder instead.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 210 mm stroke, 20 mm adjustment range, PT port thread, and the chosen mounting accessory. Because the 210 mm stroke is relatively short, side loads are manageable, but always ensure the 12 mm rod and M10x1.25 thread are aligned to prevent premature seal wear.
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 SAIJ32BX210-20 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 82 kgf.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke from 210 mm down to 190 mm. It only sets the travel end and decelerates the load; it does not hold the load without live air pressure.
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