Airtac SAIJ160 Adjustable Cylinder SAIJ160X125-100S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X125-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 125mm 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
- Stroke125 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X125-100S
The AirTAC SAIJ160X125-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 160mm bore and a 125mm nominal stroke, yielding a usable travel window of 25 to 125mm. This wide adjustment range allows operators to dial in exact retract positions during commissioning without swapping the cylinder or adding external stops. The 40mm carbon steel rod and M36x2 thread provide a robust interface for heavy loads.
Delivering 14074N of push force at 0.7 MPa and 9425N of pull force at 0.5 MPa, this unit handles heavy industrial tasks. It includes a magnet for position sensing, working seamlessly with AirTAC CMSE reed and DMSE electronic switches mounted in the dual-side sensor grooves. The rear adjuster acts purely as a mechanical stop for end-position tuning; it does not hold the load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X125-100S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X125-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 125 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 SAIJ160X125-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×125 | 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 SAIJ160X125-100S Is Used
Variable End-Position Setup
Dial in the retract distance from 25 to 125mm on the fly to accommodate varying material thicknesses without changing out the cylinder.
Machine Changeover
Speed up product line changeovers by turning the rear stopper screw to set a new end position instantly during commissioning.
Heavy Pressing Tasks
Leverage the 14074N push force at 0.7 MPa for heavy pressing or holding operations that require exact, adjustable travel limits.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X125-100S the Right Cylinder?
Choose this 160mm bore when an 80mm bore (3518N push at 0.7 MPa) is insufficient for your thrust requirements, but a 200mm bore (21991N push) would be excessive overkill. The SAIJ160X125-100-S is selected when you need variable end-stops for product changeovers rather than a fixed-stroke SAI cylinder. To replace this unit, match the 160mm bore, 125mm stroke, 100mm adjustment, PT tapered ports, and the -S magnet.
Because the nominal stroke is 125mm, an external guide is not strictly required for side-load support, but the 40mm rod still necessitates checking alignment. For load-holding without continuous air pressure, the rear adjuster and air cushions are insufficient; you must integrate an external rod lock or specify a BSAI clamp-lock cylinder 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 SAIJ160 Adjustable Cylinder SAIJ160X125-100S FAQ
At an operating pressure of 0.7 MPa, this 160mm bore cylinder generates 14074N of push force and 12580N of pull force.
The rear adjuster screw lets you trim the effective travel window down from the 125mm nominal stroke, providing a usable range of 25 to 125mm for fine-tuning end positions.
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