Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-40S
The AirTAC Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 75mm 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
- Stroke75 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-40S
The AirTAC SAIJ160X75-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that permits fine-tuning of the retract end position. With a nominal 75 mm stroke and a 40 mm adjustment code, you can dial the usable travel window down to 35 mm without adding external stops. It delivers a robust 10053 N pull force at 0.5 MPa, making it suitable for heavy-duty positioning tasks.
This unit includes a SUS304 stainless steel rod for superior corrosion resistance and is equipped with a magnet for position sensing. The sensor groove on both sides of the extruded aluminum barrel accepts CMSE reed and DMSE electronic switches. It uses PT tapered ports sized G3/4 and operates at speeds from 30 to 500 mm/s.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-40S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 75 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 SAIJ160BX75-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×75 | 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 SAIJ160BX75-40S Is Used
Heavy Machinery Changeover
Dial in the 35 to 75 mm travel window during heavy machinery product changeovers without physically swapping cylinders or bolting on external stops.
Commissioning Fine-Tuning
Use the rear adjuster to perfectly set the retract end-position during initial commissioning, compensating for mechanical tolerances on the fly.
Corrosive Positioning
Leverage the SUS304 stainless steel rod and 10053 N pull force for robust positioning tasks in environments requiring high corrosion resistance.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX75-40S the Right Cylinder?
Choose this 160 mm bore if your application requires higher force than the 125 mm bore (which provides 5734 N pull at 0.5 MPa) but does not need the maximum 3204 kgf of the 200 mm series. The adjustable stroke is ideal for machine setup and product changeover, letting you set variable end-stops on the fly instead of swapping a fixed-stroke SAI cylinder. Keep in mind the rear adjuster acts as a travel stop, not a lock; the cylinder cannot hold a load without live air, so for dead-end holding consider a SAIL or BSAI cylinder. When replacing an ISO 15552 unit, match the 160 mm bore, 75 mm stroke, 40 mm adjustment, PT G3/4 port, and -S magnet requirement. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ160BX75-40S FAQ
At a 0.5 MPa operating pressure, the 160 mm bore generates a pulling force of 10053 N and a pushing force of 10053 N. At the maximum 1.0 MPa pressure, it achieves a pushing force of 15708 N.
The nominal stroke is 75 mm, but the external rear adjusting screw allows you to shorten the effective stroke by up to 40 mm. This creates a usable travel window of 35 to 75 mm, enabling fine-tuning of the end position without changing the cylinder.
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