Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 165mm 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
- Stroke165 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-20
The AirTAC SAIJ32X165-20 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers 402N of push force and 345N of pull force at 0.5MPa, utilizing a 12mm carbon steel rod with an M10x1.25 thread. The defining feature of this SKU is its external rear adjusting screw, which provides a usable travel window of 145 to 165mm, allowing you to shorten the effective stroke by up to 20mm without swapping the cylinder.
This adjustable-stroke design is built around an extruded aluminum barrel with sensor grooves on both sides, omitting tie-rod construction. It features a SUS304 stainless steel rod and PT tapered port threads. The rear adjuster acts purely as a mechanical stop for end-position tuning and does not hold the load without live air pressure; for position holding, a SAIL or BSAI variant is required.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 165 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 SAIJ32BX165-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×165 | 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 SAIJ32BX165-20 Is Used
Machine Setup Tuning
Fine-tune the 145-165mm travel window during initial commissioning to perfectly set the end-of-stroke position without machining external hard stops.
Product Changeover
Quickly adjust the retract position by up to 20mm on packaging lines when handling slightly different product sizes.
Variable End Stops
Dial in the exact retraction point for delicate pick-and-place operations where a fixed 165mm stroke might overrun the target.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX165-20 the Right Cylinder?
Choose this 32mm bore cylinder when your application requires 402N of push force at 0.5MPa and precise end-position tuning during commissioning. If your setup needs less force, stepping down is not an option within the SAIJ line, but if you need significantly more thrust, the 40mm bore offers 628N. The adjustable 145-165mm travel window is ideal for product changeovers on a line, allowing you to dial in the exact stroke without adding external stops or replacing a fixed-stroke SAI cylinder.
When replacing an ISO 15552 cylinder, match the 32mm bore, 165mm nominal stroke, 20mm adjustment range, PT port threads, and standard mounting interface. SAIJ supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, but omits FB, CA, CB, and CR brackets. The cylinder operates at speeds of 30-800mm/s and uses variable air cushions at both ends to decelerate the load.
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 SAIJ32BX165-20 FAQ
The rear adjusting screw acts as a mechanical stopper that lets you trim the effective stroke back by up to 20mm, providing a usable travel window of 145 to 165mm. This allows fine-tuning of the end position at commissioning without swapping the cylinder.
At 0.5MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. It can deliver up to 724N of push force at 0.9MPa.
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