Airtac SAIJ80 Adjustable Cylinder SAIJ80BX195-75S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX195-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 195mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ80 mm
- Stroke195 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 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 SAIJ80 Adjustable Cylinder SAIJ80BX195-75S
The AirTAC SAIJ80X195-75-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. The built-in adjuster allows you to trim the 195 mm nominal stroke back by up to 75 mm, creating a usable travel window of 120 to 195 mm for precise end-position tuning during commissioning.
This specific configuration features a SUS304 stainless steel piston rod (option B) for superior corrosion resistance and a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides, and because this model includes a magnet (-S), it directly supports AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster functions strictly as a travel stop to dial in the retract position, not as a lock, so live air pressure is still required to hold the load.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX195-75S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX195-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 195 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 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 SAIJ80 Adjustable Cylinder SAIJ80BX195-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×195 | 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 SAIJ80 Adjustable Cylinder SAIJ80BX195-75S Is Used
Variable End-Stop Setup
Dial in the exact retract position from 120 to 195 mm during machine commissioning to accommodate different material lengths without external stoppers.
Product Changeover
Quickly adjust the travel distance on a packaging line when switching between different package sizes, using the rear screw to fine-tune the stroke.
Corrosive Assembly Tasks
Leverage the SUS304 stainless steel rod for higher side-load capacity and rust prevention in washdown or corrosive manufacturing environments.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX195-75S the Right Cylinder?
The 75 mm adjustment range is ideal for machines processing varying product sizes, allowing operators to change the effective stroke without swapping the cylinder or adding external stops. For true load-holding without continuous air pressure, consider the SAIL (air-released lock) or BSAI (clamp-lock) alternatives. To replace an ISO 15552 cylinder, match the 80 mm bore, 195 mm stroke, 75 mm adjustment, PT G3/8 port, and -S magnet.
Because the stroke is under 300 mm, side-load stress on the M20x1.5 piston rod is moderate, though long unsupported loads should still use an external guide. The mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR brackets.
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 SAIJ80 Adjustable Cylinder SAIJ80BX195-75S FAQ
At 0.7 MPa, the push force increases to 3518 N.
The rear adjuster acts as a mechanical stop that lets you shorten the 195 mm nominal stroke by up to 75 mm, providing a usable travel window of 120 to 195 mm. It only sets the end position and does not lock the load without live air pressure.
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