Airtac SAIJ160 Adjustable Cylinder SAIJ160BX475-30
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX475-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 475mm 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
- Stroke475 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX475-30
The AirTAC SAIJ160X475-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust up to 18095N at 0.9 MPa. It features a robust 40mm SUS304 stainless steel rod and PT tapered ports. By turning the rear screw, you achieve a precise 445-475mm usable travel window without swapping hardware.
This bore operates at 30-500mm/s and uses a 50mm variable air cushion at both ends to decelerate heavy loads. The extruded aluminum barrel includes sensor grooves on both sides. Note that the rear stopper only sets the end position; it does not hold the load without live air.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX475-30 Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX475-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 475 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 SAIJ160BX475-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×475 | 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 SAIJ160BX475-30 Is Used
Heavy Press Tuning
Dial in the exact 445-475mm end position during heavy press commissioning to accommodate material thickness variations without adding external stops.
Product Changeover
Quickly adjust the stroke length on automated assembly lines when switching between different product sizes that require varying full-retract depths.
Long-Stroke Forming
Manage long-stroke forming operations where the final bottoming position needs micro-adjustments on the fly to perfect the forming pressure.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX475-30 the Right Cylinder?
Choose this 160mm bore when a 100mm bore (7068N at 0.9MPa) lacks the power for heavy pushing, but a 200mm bore is physically too large. The 30mm adjustment range is ideal for fine-tuning machine setups during product changeovers, whereas a fixed SAI cylinder locks you into one exact dimension. To match this ISO 15552 replacement exactly, confirm the 475mm stroke, PT ports, SUS304 rod, and mounting style.
Because the 475mm stroke is long, the 40mm rod will still experience leverage forces under heavy side loads. Always guide the load externally to prevent premature seal wear. For load-holding without live pressure, select a SAIL or BSAI cylinder instead of relying on the stopper.
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 SAIJ160BX475-30 FAQ
At 0.9 MPa operating pressure, this 160mm bore cylinder provides a push force of 18095N and a pull force of 9425N. At 0.5 MPa, the push force is 10053N.
The rear adjuster acts as a mechanical stop, allowing you to shorten the nominal 475mm stroke by up to 30mm, creating a usable travel window of 445-475mm. It sets the end position but does not lock the load.
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