Airtac SAIJ200 Adjustable Cylinder SAIJ200BX180-20S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX180-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 180mm 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
- Stroke180 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 SAIJ200BX180-20S
The AirTAC SAIJ200X180-20-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 160-180 mm usable travel window, allowing you to dial back the 180 mm nominal stroke by up to 20 mm during commissioning. Delivering 15708 N of push force at 0.5 MPa, it handles massive loads with precision.
This variant uses a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel integrates sensor grooves on both sides. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX180-20S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX180-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 180 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 SAIJ200BX180-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×180 | 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 SAIJ200BX180-20S Is Used
Heavy Press Setup
Fine-tune the 160-180 mm travel window during heavy press commissioning to dial in exact end positions without external stops.
Product Changeover
Quickly adjust the rear stopper on automated lines to accommodate different product sizes while maintaining 15708 N of thrust.
High-Force Positioning
Drive massive jigs or heavy assemblies using the SUS304 stainless rod, ensuring reliable positioning in harsh industrial environments.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX180-20S the Right Cylinder?
Choose this 200 mm bore if you need maximum thrust, stepping up from the 160 mm bore which yields 10053 N at 0.5 MPa. The adjustable stroke is ideal for product changeovers, letting you fine-tune the end position without swapping cylinders or adding external stops. For load-holding without live air, select an SAIL or BSAI cylinder instead, as the SAIJ adjuster is not a lock.
When replacing an ISO 15552 cylinder, match the 180 mm stroke, 20 mm adjustment, PT tapered G3/4 port, and the -S magnet. Because the stroke is 180 mm, ensure your mounting setup manages side loads; the 40 mm rod diameter carries high bending resistance, but an external guide is still recommended for heavy radial forces. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ200BX180-20S 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 reaches a maximum of 3204 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the 180 mm nominal stroke by up to 20 mm, creating a 160-180 mm travel window. It functions as a mechanical stop to fine-tune end positions and does not lock the load without air pressure.
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