Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 80mm 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
- Stroke80 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-20S
The AirTAC SAIJ160X80-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 80 mm travel by up to 20 mm for a precise 60-80 mm usable window. It delivers substantial thrust, generating 9425 N of pull force at 0.5 MPa, making it suitable for heavy-duty positioning tasks.
This variant features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel incorporates sensor grooves on both sides, and travel ends are controlled by variable air cushions alongside the mechanical stopper.
Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 80 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 SAIJ160AX80-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×80 | 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 SAIJ160AX80-20S Is Used
Heavy Press Tuning
Fine-tune the exact bottoming position of a heavy press during setup, using the 60-80 mm travel window to perfect the crush distance without external shims.
Product Changeover
Quickly adjust the retract end-stop on a packaging line when switching to a different product size, relying on the rear screw rather than changing the cylinder.
Heavy Load Positioning
Move substantial jigs or fixtures using the 9425 N pull force, using the built-in magnet with DMSE solid-state sensors to confirm end positions.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160AX80-20S the Right Cylinder?
Choose this 160 mm bore when you need high force that smaller neighbors cannot provide, such as stepping up from a 125 mm bore that yields 5734 N pull at 0.5 MPa. The adjustable stroke is perfect for applications requiring variable end-stops or fine-tuning during machine commissioning without swapping cylinders. For holding loads without live air pressure, note that this adjuster is strictly a travel stop, not a lock; you would need an external rod lock or a SAIL pneumatic locking cylinder instead.
When replacing an ISO 15552 cylinder, match the 160 mm bore, 80 mm stroke, 20 mm adjustment range, PT tapered port thread, and the -S magnet option. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets. Although the stroke is short, the robust 40 mm rod and M36x2 thread handle high side loads effectively.
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 SAIJ160AX80-20S FAQ
The rear adjuster acts as a mechanical stop that lets you shorten the 80 mm nominal stroke by up to 20 mm, creating a 60-80 mm adjustable travel window. It sets the end position and works with the air cushion for deceleration, but it does not lock or hold the load without continuous air pressure.
At 0.5 MPa operating pressure, it provides 10053 N of push force and 9425 N of pull force. It can reach up to 18095 N push force at 0.9 MPa, operating efficiently within the 30-500 mm/s speed range for larger bores.
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