Airtac SAIJ200 Adjustable Cylinder SAIJ200BX135-40S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX135-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 135mm 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.
- BoreØ200 mm
- Stroke135 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 SAIJ200 Adjustable Cylinder SAIJ200BX135-40S
The AirTAC SAIJ200X135-40-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers massive thrust, pushing 28274N at 0.9 MPa, within a usable travel window of 95 to 135 mm. This specific SKU includes a SUS304 stainless steel rod and a -S magnet for use with CMSE reed and DMSE electronic sensors.
The external rear stopper allows you to dial back the nominal 135 mm stroke by up to 40 mm during commissioning without swapping the cylinder or adding external stops. It uses a PT tapered port and extruded aluminum barrel with sensor grooves on both sides. The rear adjuster acts purely as a travel stop for deceleration, not a lock, so live air is required to hold the load.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX135-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX135-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 135 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 (Ø200mm)
| 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.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200BX135-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×135 | 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 SAIJ200 Adjustable Cylinder SAIJ200BX135-40S Is Used
Variable End-Stop Tuning
Dial in the exact retract distance between 95 and 135 mm during machine commissioning to accommodate new product dimensions without installing external mechanical stops.
Heavy Press Changeover
Adjust the end position on the fly for a 200 mm bore press applying up to 28274N, ensuring precise contact depth when switching between workpiece variants.
Stainless Rod Actuation
Leverage the SUS304 rod material and 3204 kgf maximum force for heavy-duty positioning in environments where standard carbon steel rods face contamination risks.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX135-40S the Right Cylinder?
Choose this 200 mm bore when you need extreme force (up to 3204 kgf at 1.0 MPa) that smaller bores cannot provide, such as stepping up from a 160 mm bore that only delivers 18095N at 0.9 MPa. The adjustable stroke is selected when a machine requires fine end-position tuning on product changeovers, unlike a fixed-stroke SAI cylinder.
For an ISO 15552 replacement match, specify a 200 mm bore, 135 mm stroke, 40 mm adjustment, PT G3/4 port, Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting, and a -S magnet. Because the stroke is under 300 mm, side-load stress on the M36x2 rod thread is manageable, though an external guide is still recommended for heavy loads. For load-holding without live pressure, use a SAIL or BSAI cylinder instead.
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 SAIJ200 Adjustable Cylinder SAIJ200BX135-40S FAQ
At 0.9 MPa it provides a push force of 28274N and a pull force of 15080N. At the maximum operating pressure of 1.0 MPa, it achieves a push force of 3204 kgf.
The rear adjuster screw lets you shorten the effective travel from the 135 mm nominal stroke down to 95 mm. This creates a 95-135 mm usable window for fine-tuning the end position at commissioning, but it acts only as a stop and does not lock the load without live air.
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