Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-100S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 900mm 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
- Stroke900 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-100S
The AirTAC SAIJ200X900-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 900 mm travel by up to 100 mm for an effective 800-900 mm usable window. It delivers massive thrust, generating 28274N of push force at 0.9 MPa, making it suitable for heavy industrial pressing and positioning. The extruded aluminum barrel includes sensor grooves on both sides, and this -S variant includes a magnet for direct mounting of CMSE reed or DMSE electronic solid-state switches.
This model features a 40 mm SUS420J2 stainless steel piston rod (material code A) with an M36x2 thread, paired with PT tapered port threads and 50 mm air cushions at both ends to manage heavy kinetic energy. Because the 900 mm stroke is long, the 40 mm rod provides robust rigidity, though an external guide is still recommended to manage severe side loads. The rear adjustment screw acts purely as a mechanical stop to fine-tune the retract end without adding external stops, but it does not lock the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-100S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 900 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 SAIJ200AX900-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×900 | 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 SAIJ200AX900-100S Is Used
Heavy Press Tuning
Dial in the exact 800-900 mm retract distance during machine commissioning to accommodate varying workpiece heights without adding external mechanical stops.
Product Changeover
Adjust the travel window on heavy assembly lines when switching product sizes, using the rear screw to set new end positions rapidly without changing the cylinder.
Large Material Positioning
Index large heavy materials or molds into exact final positions, relying on the 40 mm SUS420J2 rod and 50 mm cushions to handle the deceleration of massive loads.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX900-100S the Right Cylinder?
Select this 200 mm bore cylinder when an application requires extreme force combined with variable end-position tuning, such as dialing in a press stroke during product changeover. If you need slightly less force, stepping down to a 160 mm bore yields 18095N of push force at 0.9 MPa; stepping up is not possible within the standard SAIJ range. Choose the adjustable SAIJ over a fixed-stroke SAI when commissioning requires fine-tuning the retract distance without swapping cylinders. For load-holding without live air pressure, note that this cylinder's adjuster and air cushions function only as stops and decelerators, so you must integrate an external rod lock or specify a BSAI clamp-lock or SAIL air-released lock variant. To match this exact configuration, specify bore 200, stroke 900, 100 mm adjustment, PT port threads, SUS420J2 rod material, 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 SAIJ200AX900-100S FAQ
At a maximum operating pressure of 1.0 MPa, this 200 mm bore cylinder generates a maximum push force of 3204 kgf (equivalent to 31400N). At 0.9 MPa, it provides 28274N of push force and 21991N of pull force.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from the nominal 900 mm down to 800 mm, providing a 100 mm tuning window. It only sets the retract end position and does not hold the load without live air pressure.
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