Airtac SAIJ200 Adjustable Cylinder SAIJ200AX185-10S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX185-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 185mm 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
- Stroke185 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX185-10S
The AirTAC SAIJ200X185-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust up to 21991N at 0.7 MPa. It features a SUS420J2 stainless steel rod and a built-in magnet for position sensing. The integrated rear stopper allows you to fine-tune the travel end, creating a usable window of 175-185 mm for precise positioning without external stops.
This bore size utilizes a G3/4 port and a robust M36x2 rod thread to handle high dynamic loads. The extruded aluminum barrel includes sensor grooves on both sides, supporting CMSE reed and DMSE electronic switches for versatile feedback. Because the rear screw acts as a travel stop rather than a locking mechanism, you must maintain live air to hold a load; for pilot-operated locking, consider the SAIL or BSAI series.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX185-10S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX185-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 185 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 SAIJ200AX185-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×185 | 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 SAIJ200AX185-10S Is Used
Heavy Press Tuning
Dial in the exact 175-185 mm end position during heavy press commissioning to accommodate material thickness variations without swapping cylinders.
Product Changeover
Quickly adjust the stroke by up to 10 mm on a packaging line when switching to a slightly different pallet size, minimizing downtime.
High-Force Positioning
Leverage the 15708N push force at 0.5 MPa to move heavy assemblies into place while using the rear stopper for precise mechanical end limits.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX185-10S the Right Cylinder?
Choose this 200 mm bore when 160 mm is insufficient, as the step up from 160 mm increases push force at 0.5 MPa from 10053N to 15708N. The 10 mm adjustment range is ideal for final commissioning tweaks or minor product changeovers, offering a distinct advantage over a fixed-stroke SAI cylinder by allowing variable end-stops without hardware swaps. To replicate this ISO 15552 cylinder, match the 200 mm bore, 185 mm stroke, PT tapered port threads, and the -S magnet option.
With a 185 mm stroke, the M36x2 rod is substantial, but always support the load with an external guide to prevent excessive side-loading. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. Operating speed for this bore is 30-500 mm/s.
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 SAIJ200AX185-10S FAQ
At 0.7 MPa, the push force is 21991N and the pull force is 15080N. At 0.5 MPa, it provides 15708N of push force and 15080N of pull force.
The rear adjuster acts as a mechanical stop, allowing you to trim the 185 mm nominal stroke back by up to 10 mm, resulting in a usable travel window of 175-185 mm. It is a stop, not a lock, so live air is required to hold the load.
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