Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 325mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ160 mm
- Stroke325 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30S
The AirTAC SAIJ160X325-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 295 to 325 mm usable travel window for precise end-position tuning. It delivers robust thrust, offering 14074 N push and 18095 N pull at 0.9 MPa. This variant uses a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors.
Because the 325 mm stroke exceeds typical unsupported lengths, the 40 mm rod diameter and M36x2 thread require an external guide to manage side loads. The rear adjuster acts strictly as a travel stop to dial in the retract position without swapping the cylinder, but it does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 325 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max stroke | Up to 1500 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (@1.0 MPa) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×325 | 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 SAIJ160 Adjustable Cylinder SAIJ160BX325-30S Is Used
Machine Changeover
Dial in the 295-325 mm retract position during product size transitions without replacing the cylinder or bolting on external stops.
Heavy Press Tuning
Leverage 18095 N of pull force to seat heavy components, using the rear stopper to fine-tune the final clamping position at commissioning.
Variable End Stops
Adjust the effective travel window on automated assembly lines to accommodate varying part dimensions on the fly.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX325-30S the Right Cylinder?
Choose this 160 mm bore when 10053 N of push force at 0.5 MPa is insufficient, or step down to a 125 mm bore providing 6136 N if your application requires less thrust. An adjustable stroke is selected over a fixed SAI cylinder when a machine requires fine end-position tuning during commissioning or product changeover without adding external stops.
For ISO 15552 interchangeability, match the 160 mm bore, 325 mm stroke, 30 mm adjustment, PT G3/4 port, and -S magnet. The mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2. Note that the rear adjuster and air cushions only decelerate the travel end; they do not lock the load. For true position holding without live air, use an external rod lock or pilot-operated check valve.
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 SAIJ160 Adjustable Cylinder SAIJ160BX325-30S FAQ
At 0.9 MPa, this 160 mm bore double-acting cylinder generates 14074 N of push force and 18095 N of pull force. At 0.5 MPa, it provides 10053 N push and 9425 N pull.
The rear adjuster acts as a mechanical stop that lets you shorten the 325 mm nominal stroke by up to 30 mm, creating a 295 to 325 mm usable travel window. It sets the retract end position but does not lock the load without live air pressure.
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