Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-40S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 230mm 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
- Stroke230 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-40S
The AirTAC SAIJ200X230-40-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 190 to 230 mm, allowing you to dial back the nominal stroke by up to 40 mm during commissioning without swapping the barrel or adding external stops. As the largest bore in the series, it generates a substantial push force of 15708 N at 0.5 MPa and up to 21991 N at 0.7 MPa.
This unit includes a magnet for position sensing (-S) and uses a SUS420J2 stainless steel rod (option A) for superior corrosion resistance. The extruded aluminum barrel features sensor grooves on both sides, directly compatible with AirTAC CMSE reed and DMSE electronic solid-state switches. Fluid ports are PT tapered G3/4, and the cylinder operates at speeds between 30 and 500 mm/s.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-40S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 230 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 SAIJ200AX230-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×230 | 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 SAIJ200AX230-40S Is Used
Heavy Pressing Operations
Dial in the exact 190-230 mm travel window to apply maximum pressing force on large assemblies, allowing precise end-position tuning without external stoppers.
Variable Product Changeover
Quickly adjust the retract end-position up to 40 mm during production line changeovers to accommodate different large product sizes on the fly.
Heavy Load Positioning
Utilize the 15708 N push force at 0.5 MPa to move heavy pallets or industrial components, relying on the rear stop to set the exact drop point.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX230-40S the Right Cylinder?
Select this 200 mm bore when an application requires maximum thrust that smaller bores cannot provide, such as replacing a 160 mm bore that only yields 10053 N at 0.5 MPa. The adjustable stroke is ideal for product changeovers on a line where the exact end-of-stroke position varies by up to 40 mm. For any fixed-stroke requirement, a standard SAI cylinder is sufficient, but the SAIJ variant saves setup time by fine-tuning the retract end position mechanically.
The rear adjuster acts purely as a mechanical stop and works alongside the adjustable air cushions at both ends to decelerate the load; it does not hold the load without live air pressure. For true fail-safe load holding, consider the SAIL pneumatic lock or BSAI clamp-lock series. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR brackets. To replace an ISO 15552 cylinder, match the 200 mm bore, 230 mm stroke, 40 mm adjustment, G3/4 port, and the -S magnet requirement.
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 SAIJ200AX230-40S FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides a push force of 15708 N and a pull force of 15080 N. At 0.7 MPa, the push force increases to 21991 N.
The rear adjuster screw allows you to mechanically shorten the effective stroke by up to 40 mm, creating a usable travel window of 190 to 230 mm. The adjuster acts as a travel stop to fine-tune the end position and does not lock the load without air pressure.
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