Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-75S
The AirTAC SAIJ160 Adjustable Cylinder SAIJ160BX185-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø160mm bore and 185mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ160 mm
- Stroke185 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-75S
The AirTAC SAIJ160X185-75-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. The integrated -S magnet enables position sensing with AirTAC CMSE reed and DMSE electronic switches mounted into the dual-side sensor grooves on the extruded aluminum barrel.
This specific SKU features a 185mm nominal stroke that can be dialed back by up to 75mm, creating a precise 110-185mm usable travel window. It incorporates a SUS304 stainless steel rod for superior corrosion resistance and is fitted with PT tapered ports. The rear adjuster acts purely as a travel stop to fine-tune the retract end position during commissioning; it is not a locking device and cannot hold a load without continuous live air pressure.
Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-75S Technical Specifications
| Model | Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø160 mm |
| Stroke | 185 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 | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | — |
| Max (@1.0 MPa) | 1922 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×185 | 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 SAIJ160BX185-75S Is Used
Variable End-Stop Tuning
Dial in the exact retract distance within the 110-185mm window during machine commissioning to perfect material seating without machining new hard stops.
Corrosive Press Operations
Utilize the SUS304 stainless steel rod and 50mm air cushions to reliably decelerate heavy loads in humid or washdown manufacturing environments.
Is the Airtac SAIJ160 Adjustable Cylinder SAIJ160BX185-75S the Right Cylinder?
The adjustable stroke is ideal for product changeovers, allowing you to trim the travel window from 185mm down to 110mm without swapping the cylinder or adding external stops. For any load-holding requirements without live air pressure, this standard adjuster will not suffice; consider an AirTAC SAIL or BSAI locking cylinder instead.
When replacing an ISO 15552 cylinder, match the 160mm bore, 185mm stroke, 75mm adjustment range, G3/4 port, and SUS304 rod material. This profile cylinder supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the 185mm stroke is relatively short for this large bore, side-load stress is manageable, but an external guide is still recommended for heavy offset loads. The operating speed is 30-500mm/s.
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 SAIJ160BX185-75S FAQ
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 185mm nominal stroke by up to 75mm, resulting in a usable travel window of 110-185mm. It only sets the end position and does not lock the load without live air.
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