
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 95mm 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.
The AirTAC SAIJ200X95-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end-of-travel position. With a nominal 95 mm stroke and a 20 mm adjustment range, it provides a usable travel window of 75-95 mm, letting you dial in the exact retract distance during commissioning without adding external stops. This 200 mm bore actuator delivers massive thrust, pushing 15708 N at 0.5 MPa and reaching 21991 N at 0.7 MPa, making it ideal for heavy-duty press operations.
This model features a robust 40 mm piston rod made of SUS420J2 stainless steel (code A), offering superior corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches, though this specific SKU is configured without a magnet. Fluid consumption and speed are balanced for large-bore dynamics, operating within a 30-500 mm/s range.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX95-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 95 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×95 | 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.
Dial in the exact 75-95 mm travel window during initial commissioning to set the precise pressing depth on large industrial assemblies without swapping out the actuator.
Quickly adapt automated heavy machinery to different product heights by turning the rear adjuster screw, saving setup time when switching between production runs.
Leverage the 21991 N push force at 0.7 MPa to move heavy pallets or molds, using the adjustable stop to guarantee the final resting position is perfectly aligned.
Selecting the SAIJ200X95-20 makes sense when your application requires extreme force combined with precise end-position tuning at machine setup or product changeover. If you need to step the bore down to save energy and footprint, a neighbouring 160 mm cylinder provides 10053 N of push force at 0.5 MPa, which is often sufficient for medium-duty clamping. Here, the built-in 20 mm adjuster acts as a hard mechanical stop at the rear, decelerating the travel end, but it does not lock or hold the load without live air pressure. For true load-holding without continuous air, consider an AirTAC SAIL pneumatic lock or BSAI clamp-lock cylinder instead.
When matching this ISO 15552 dimensionally interchangeable cylinder for a retrofit, verify the 200 mm bore, 95 mm stroke, 20 mm adjustment, PT tapered port threads, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the 95 mm stroke is relatively short for this massive bore, side-load is minimal, but long unsupported strokes in your mechanism will still require an external guide to protect the 40 mm rod and end seals.
Quick checklist
At an operating pressure of 0.5 MPa, this 200 mm bore cylinder provides a push force of 15708 N and a pull force of 15080 N. If you increase the pressure to 0.7 MPa, the push force rises to 21991 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the nominal 95 mm stroke by up to 20 mm, creating a usable travel window of 75-95 mm. It decelerates and sets the end position but does not lock the load without live air pressure.
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