Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 165mm 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
- Stroke165 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-20S
The AirTAC SAIJ160X165-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 165 mm travel by up to 20 mm. This creates a precise 145-165 mm usable stroke window, ideal for fine-tuning end positions during machine commissioning without adding external stops. The 160 mm bore delivers substantial thrust, generating 10053 N of push force and 9425 N of pull force at a 0.5 MPa operating pressure.
This variant features a carbon steel piston rod and PT tapered port threads. It includes a standard magnet (-S) for position sensing, functioning seamlessly with AirTAC CMSE reed switches and DMSE solid-state sensors mounted into the dual-side barrel grooves. The extruded aluminum profile design omits heavy tie-rods, and the rear adjuster acts strictly as a travel stop, meaning it will not hold a load without continuous air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 165 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 SAIJ160X165-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | 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 SAIJ160 Adjustable Cylinder SAIJ160X165-20S Is Used
Press Stroke Calibration
Dial in the exact 145 to 165 mm pressing depth during machine setup to accommodate varying material thicknesses without swapping out the entire actuator.
Product Changeover Stops
Quickly adjust the rear stopper on the assembly line to handle different package sizes, using the 20 mm travel window to modify end positions on the fly.
Heavy Assembly Positioning
Leverage the 10053 N push force at 0.5 MPa to move heavy pallets or tooling into precise final positions before a secondary locking mechanism engages.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X165-20S the Right Cylinder?
Choose this 160 mm bore model when your application requires heavy thrust in the 10000 N range at 0.5 MPa, stepping up from a 125 mm bore that provides 6136 N. The adjustable stroke is selected over a fixed SAI cylinder when you need variable end-stops for product changeovers or fine commissioning tweaks. To replace an ISO 15552 cylinder, match the 160 mm bore, 165 mm stroke, PT port thread, 20 mm adjustment range, and the -S magnet requirement. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Because the 165 mm stroke is relatively short for this large bore, side-load risks are minimal, but the heavy 40 mm rod and M36x2 thread handle high guide loads well. If your process demands true load-holding without live air pressure, this cylinder's stopper will not suffice; you should pivot to the SAIL pneumatic lock or BSAI clamp-lock series 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 SAIJ160X165-20S FAQ
The rear adjuster acts as an external mechanical stop that lets you shorten the effective stroke by up to 20 mm. This provides a usable travel window of 145 to 165 mm, tunable at commissioning without replacing the cylinder.
At a 0.5 MPa operating pressure, it generates 10053 N of push force and 9425 N of pull force. At the maximum 1.0 MPa pressure, the push force reaches 18095 N.
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