Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 55mm 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
- Stroke55 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30S
The AirTAC SAIJ160X55-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 14095N of push force at 0.9 MPa. Its 55mm nominal stroke can be dialed back by up to 30mm, creating a precise 25-55mm usable travel window for fine-tuning end positions during commissioning. The SUS304 stainless steel rod provides excellent corrosion resistance, while the integrated magnet supports CMSE reed and DMSE electronic sensors.
This adjustable stopper allows you to trim the retract position without swapping the cylinder or adding external stops. The PT tapered port ensures a tight pneumatic seal. Remember that the rear adjuster acts only as a travel stop, not a lock; the cylinder cannot hold a load without live air.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 55 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 SAIJ160BX55-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×55 | 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 SAIJ160BX55-30S Is Used
Precision Pressing
Dial in the exact 25-55mm pressing depth for delicate assembly operations without changing physical hardware.
Product Changeover
Quickly adjust the end-stop position to accommodate varying package sizes on a high-thrust handling line.
Machine Setup
Fine-tune the retract position during commissioning to perfect timing sequences in heavy machinery.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX55-30S the Right Cylinder?
Choose this 160mm bore cylinder when an application demands high thrust (up to 14095N push at 0.9 MPa) alongside a short, highly adjustable stroke. If you need less force, stepping down to a 125mm bore yields 11045N at 0.9 MPa. The adjustable 25-55mm window is ideal for product changeovers on a line, replacing fixed-stroke SAI cylinders when exact end-of-travel tuning is required. For load-holding without live pressure, consider an external rod lock or the SAIL series.
When replacing an ISO 15552 cylinder, match the 160mm bore, 55mm stroke, 30mm adjustment, PT port, and -S magnet. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the stroke is short, side-load risks are minimal, but always ensure the load is guided to prevent binding.
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 SAIJ160BX55-30S FAQ
At 0.9 MPa operating pressure, this 160mm bore cylinder provides a push force of 14095N and a pull force of 18095N.
The rear adjuster allows you to shorten the 55mm nominal stroke by up to 30mm, providing a usable travel window between 25mm and 55mm. It acts as a physical stop and does not lock the load without air pressure.
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