Airtac SAIJ160 Adjustable Cylinder SAIJ160X145-20
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X145-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 145mm 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
- Stroke145 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X145-20
The AirTAC SAIJ160X145-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 125 to 145 mm, allowing you to dial back the nominal 145 mm stroke by up to 20 mm during machine commissioning. This bore delivers substantial force, generating 18095 N of push thrust at 0.9 MPa.
The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches (requires a -S magnet, not present here). The carbon steel rod and M36x2 thread handle high side loads, while the PT tapered port ensures a tight pneumatic seal. The rear adjuster acts purely as a travel stop, meaning it cannot hold a load without live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X145-20 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X145-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 145 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 SAIJ160X145-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×145 | 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 SAIJ160X145-20 Is Used
Machine Changeover
Dial in the 125-145 mm travel window during product size changes without replacing the cylinder or adding external mechanical stops.
End-Position Tuning
Fine-tune the final retract position at machine commissioning to achieve precise mechanical alignment using the rear adjusting screw.
Heavy-Duty Clamping
Leverage the 18095 N push force at 0.9 MPa for heavy-duty clamping and pressing tasks that require exact stroke endpoints.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X145-20 the Right Cylinder?
Choose this 160 mm bore when you need to fine-tune end positions on the fly, yielding 10053 N push force at 0.5 MPa. If your application requires less force, stepping down to a 125 mm bore offers 6136 N at 0.5 MPa, whereas moving up to a 200 mm bore provides 15708 N at 0.5 MPa. The adjustable rear screw is ideal for product changeovers, eliminating the need to swap cylinders or bolt on external stops.
When replacing an ISO 15552 cylinder, match the 160 mm bore, 145 mm stroke, 20 mm adjustment, G3/4 port, and mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the 145 mm stroke is under 300 mm, side-load concerns are minimal, but always guide the load externally if it is heavy. For load-holding without live air, select the SAIL or BSAI series instead, as this adjuster is not a 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 SAIJ160X145-20 FAQ
At 0.5 MPa it provides 10053 N of push force and 9425 N of pull force. At 0.9 MPa, the push force increases to 18095 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from 145 mm down to as little as 125 mm. It sets the end position but does not lock or hold the load without live air pressure.
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