Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-75S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 185mm 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
- Stroke185 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-75S
The AirTAC SAIJ160X185-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 110 to 185 mm. Built with a robust 40 mm carbon steel rod and M36x2 thread, it handles heavy dynamics with a 30-500 mm/s speed range. The integrated -S magnet supports precise position detection via AirTAC CMSE reed and DMSE electronic sensors.
This 160 mm bore model generates 10053 N of pull force at 0.5 MPa, scaling to 18095 N at 0.9 MPa. The rear adjustment screw acts purely as a travel stop for commissioning end-position tuning, meaning it will not hold the load without live air pressure. For secure load-holding, an external SAIL pneumatic lock or BSAI clamp-lock cylinder is required.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 185 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 SAIJ160X185-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×185 | 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 SAIJ160X185-75S Is Used
Heavy-Duty Pressing
Delivers up to 18095 N of push force at 0.9 MPa for securely seating large bearings or pressing heavy components during assembly.
Variable End-Stop Tuning
The 75 mm adjustment window lets operators fine-tune the retract position between 110 and 185 mm on the fly, perfect for adapting to varying product heights.
Machine Changeover
Quickly modify the effective stroke during production line changeovers without disassembling the ISO 15552 mounting hardware or replacing the entire cylinder.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X185-75S the Right Cylinder?
Select this 160 mm bore when an application requires substantial thrust—such as 10053 N pull at 0.5 MPa—stepping up from the 125 mm bore (5734 N pull). The 75 mm adjustment range is ideal for product-size changeovers, allowing you to dial back the 185 mm nominal stroke down to 110 mm without swapping the cylinder or adding external stops. To replace an ISO 15552 cylinder, match the 160 mm bore, 185 mm stroke, 75 mm adjuster, PT tapered port thread, and the -S magnet option.
Because the nominal stroke of 185 mm is under the 300 mm threshold, standard external guiding is less critical than on longer strokes, though the heavy 40 mm rod helps manage side loads. Remember that the rear adjuster and air cushions only set the travel end; they do not function as a brake or lock.
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 SAIJ160X185-75S FAQ
At an operating pressure of 0.5 MPa, this 160 mm bore cylinder provides 10053 N of pull force and 14074 N of push force at 0.7 MPa. It reaches a maximum push force of 18095 N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective stroke from its 185 mm nominal length down to 110 mm. This creates a 75 mm adjustable travel window for fine-tuning end positions at commissioning, but the screw acts only as a stop and does not lock the load without live air.
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