Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-20S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 145mm 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
- Stroke145 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 SAIJ200AX145-20S
The AirTAC SAIJ200X145-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling you to dial back the nominal 145 mm travel to a precise 125-145 mm window during commissioning. It delivers massive thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa, making it suitable for heavy-duty press operations. This unit features a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance and utilizes PT tapered port threads.
Unlike fixed-stroke actuators, this SAIJ variant integrates an external stopper at the rear to fine-tune the retract end position without swapping the barrel or adding external stops. The extruded aluminum body includes sensor grooves on both sides, and the included magnet (-S) supports CMSE reed and DMSE electronic solid-state switches for exact position feedback. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-20S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 145 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 SAIJ200AX145-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×145 | 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 SAIJ200AX145-20S Is Used
Heavy Stamping Alignment
Fine-tune the 125-145 mm travel window during die changeovers to accommodate varying material thicknesses without physically re-shimming the press.
Variable End-Stop Setup
Dial in the exact retract position on heavy assembly machinery, using the rear screw to set precise lower bounds for large component seating.
High-Force Clamping
Leverage the 15708 N push force at 0.5 MPa to secure massive workpieces, adjusting the clamping depth by up to 20 mm directly at the cylinder.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX145-20S the Right Cylinder?
Select this 200 mm bore actuator when an application demands exceptionally high force and the ability to trim the end-of-stroke position by up to 20 mm for product changeovers. If you need slightly less thrust and a more compact footprint, stepping down to a 160 mm bore yields 10053 N push force at 0.5 MPa. Conversely, if you require pure load-holding without continuous air pressure, a plain SAIJ is insufficient; you should pivot to the SAIL (air-released lock) or BSAI (clamp-lock) series instead. For a drop-in ISO 15552 replacement, match the 200 mm bore, 145 mm stroke, PT port, and specify the -S magnet.
Because the 145 mm stroke is relatively short for this massive bore, side-loading is less of a concern than with long-stroke units, but the substantial 40 mm rod diameter and M36x2 thread provide excellent mechanical rigidity for absorbing offset loads. The standard speed range for this bore size is 30-500 mm/s. Mounting options are limited to the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ200AX145-20S FAQ
At 0.5 MPa operating pressure, this 200 mm bore cylinder provides 15708 N of push force and 15080 N of pull force. It can reach a maximum push force of 21991 N at 0.7 MPa.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the nominal 145 mm down to 125 mm. This allows precise end-position tuning at commissioning without replacing the cylinder.
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