Airtac Adjustable Cylinder SAIJ32 SAIJ32BX35-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX35-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 35mm 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
- Stroke35 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX35-20
The AirTAC SAIJ32X35-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the nominal 35 mm travel back by up to 20 mm, creating a precise 15-35 mm usable window. This compact 32 mm bore generates 402 N of push force at 0.5 MPa and uses a PT tapered port thread. It is equipped with a SUS304 stainless steel rod (option B) for superior corrosion resistance.
Because the adjuster acts purely as a mechanical stop at the retract end, it does not lock the load without live air pressure. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to easily mount CMSE reed or DMSE electronic sensors if position feedback is needed later.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX35-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX35-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 35 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 SAIJ32BX35-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×35 | 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 SAIJ32BX35-20 Is Used
Short-Stroke Clamping
Dial in the exact 15-35 mm travel needed to clamp delicate or variable-thickness parts without repositioning the entire cylinder assembly.
Machine Changeover
Quickly fine-tune the retract end-stop during product line changeovers to accommodate minor size differences in incoming materials.
Lab Positioning
The SUS304 stainless steel rod provides corrosion resistance for lab environments while allowing precise mechanical end-position tuning.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX35-20 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa and you need to dial in a very short end-of-stroke position without adding external stops. If you need less force, stepping down is not an option below 32 mm in this series, but if you require significantly more thrust, the 40 mm bore provides 628 N at 0.5 MPa. The adjustable stroke is ideal for machine changeovers where product sizes vary slightly.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 35 mm nominal stroke, 20 mm adjustment range, PT port thread, and your required mounting set (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Remember that the rear adjuster screw only sets the travel end; for true load holding without live air, consider the SAIL or BSAI series instead.
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 SAIJ32BX35-20 FAQ
It features a rear adjuster screw that lets you shorten the 35 mm nominal stroke by up to 20 mm, giving a usable travel window of 15-35 mm. The adjuster acts as a mechanical stop and does not hold the load without live air pressure.
At 0.5 MPa operating pressure, the SAIJ32X35-20 provides 402 N of push force and 345 N of pull force. It can achieve up to 724 N of push force at 0.9 MPa.
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