Airtac SAIJ200 Adjustable Cylinder SAIJ200AX35-20S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX35-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 35mm 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
- Stroke35 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX35-20S
The AirTAC SAIJ200X35-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 15-35 mm usable travel window by trimming the 35 mm nominal stroke up to 20 mm, letting you dial in the exact retract end-position during commissioning. In the 200 mm bore class, it delivers 15708 N of push force and 15080 N of pull force at 0.5 MPa.
This SKU is built with a SUS420J2 stainless steel rod and PT tapered ports. It includes a magnet for position sensing with AirTAC CMSE reed and DMSE electronic sensors. The rear screw acts purely as a mechanical stop for end-position tuning and does not lock the load without live air pressure; for load-holding requirements, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX35-20S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX35-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 35 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 SAIJ200AX35-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×35 | 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 SAIJ200AX35-20S Is Used
Heavy Press Tuning
Dial in the exact 15-35 mm travel window on a high-tonnage press to accommodate varying material thicknesses without swapping cylinders.
Machine Changeovers
Adjust the rear stopper during product family transitions to set precise retract positions quickly, avoiding external stop hardware.
Short-Stroke Clamping
Use the 15708 N push force to secure heavy workpieces, fine-tuning the clamping depth via the rear adjuster.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX35-20S the Right Cylinder?
Selecting this 200 mm bore cylinder makes sense when your application requires massive thrust—up to 15708 N push at 0.5 MPa—and you need to fine-tune a very short 15-35 mm travel window without adding external stops. If you need less force and a smaller footprint, stepping down to the 160 mm bore yields 10053 N push force at 0.5 MPa. The adjustable stroke is ideal for machine setups requiring variable end-stops on product changeovers, unlike a fixed-stroke SAI cylinder. To match this ISO 15552 replacement exactly, specify the 200 mm bore, 35 mm stroke, 20 mm adjustment, PT ports, Basic/FA/LB/TC/FTC/TCM1/TCM2 mountings, and the -S magnet option.
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 SAIJ200AX35-20S 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 up to 21991 N push force at 0.7 MPa.
The rear adjuster screw lets you mechanically shorten the 35 mm nominal stroke by up to 20 mm, creating a 15-35 mm usable travel window. The adjuster functions as a travel stop for end-position tuning and does not hold the load without live air.
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