Airtac SAIJ160 Adjustable Cylinder SAIJ160X20-20S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160X20-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 20mm 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
- Stroke20 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160X20-20S
The AirTAC SAIJ160X20-20-S is a double-acting, single-rod ISO 15552 profile cylinder engineered for heavy-duty applications requiring exact end-position tuning. Equipped with a rear adjusting screw, this model allows you to dial back the nominal 20 mm stroke anywhere within a 0-20 mm usable travel window without adding external stops. Delivering a robust 10053 N pull force at 0.5 MPa, it handles substantial loads while operating at speeds of 30-500 mm/s.
This variant features a carbon steel rod and a built-in magnet for use with CMSE reed and DMSE electronic solid-state sensors. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. The rear adjuster acts strictly as a travel stop for deceleration and positioning, not a lock, meaning live air is required to maintain the load. For position holding without air pressure, consider the SAIL or BSAI series.
Airtac SAIJ160 Adjustable Cylinder SAIJ160X20-20S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160X20-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 20 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 SAIJ160X20-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×20 | 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 SAIJ160X20-20S Is Used
Precision Pressing
Dial in the exact 0-20 mm travel window during setup to ensure consistent high-force pressing without over-travel on delicate components.
Product Changeover
Quickly adjust the rear stopper to accommodate varying material thicknesses on a production line without changing the cylinder.
Heavy-Duty Clamping
Leverage the 10053 N pull force to secure heavy workpieces, using the adjustable stroke to fine-tune the clamp position.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160X20-20S the Right Cylinder?
Choose this 160 mm bore cylinder when an application demands extreme thrust in a very short stroke, as stepping down to a 125 mm bore yields only 6136 N push force at 0.5 MPa. The adjustable 0-20 mm travel window is ideal for fine-tuning clamping or pressing positions during commissioning or product changeovers, eliminating the need to swap out a fixed-stroke SAI cylinder. To match this ISO 15552 footprint, specify the 160 mm bore, 20 mm stroke, 20 mm adjustment, PT tapered port threads, and the -S magnet option.
Mounting options for the SAIJ series include Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR configurations. The 40 mm rod diameter and M36x2 rod thread provide excellent rigidity, though even with a robust rod, any application approaching the maximum stroke limit should employ an external guide to manage side loads.
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 SAIJ160X20-20S FAQ
The rear adjusting screw acts as a mechanical stopper, allowing you to reduce the effective stroke anywhere within a 0-20 mm window from the nominal 20 mm stroke. It is a travel stop for end-position tuning, not a lock, and requires live air to hold the load.
At 0.5 MPa operating pressure, the SAIJ160X20-20-S provides 10053 N of push force and 9425 N of pull force. It can achieve a maximum push force of 18095 N at 0.9 MPa.
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