Airtac SAIJ200 Adjustable Cylinder SAIJ200X90-50
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X90-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 90mm stroke, G3/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ200 mm
- Stroke90 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 SAIJ200X90-50
The AirTAC SAIJ200X90-50 is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers massive thrust, pushing 15708N and pulling 15080N at 0.5 MPa, making it suited for heavy-duty press and lift operations. By turning the rear stopper screw, you can trim the nominal 90mm stroke back by up to 50mm, yielding a usable travel window of 40-90mm for precise end-position tuning.
This extruded aluminum barrel features sensor grooves on both sides for CMSE reed or DMSE electronic switches, though this specific SKU is configured without a magnet. It uses a G3/4 PT tapered port and a robust 40mm carbon steel rod with an M36x2 thread to handle high side loads. The standard variable air cushions at both ends manage deceleration, but remember the adjuster is a travel stop, not a lock, so it will not hold a load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X90-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X90-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 90 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 | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | — |
| Max (@1.0 MPa) | 3075 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ200 Adjustable Cylinder SAIJ200X90-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×90 | 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 SAIJ200X90-50 Is Used
Heavy Press Tuning
Dial in the exact 40-90mm travel window during heavy press setups to accommodate material thickness variations without swapping actuators.
Product Changeover Stops
Adjust the rear stopper screw on the fly to handle different pallet sizes on a high-thrust transfer line, avoiding mechanical stop replacements.
Assembly End-Positioning
Fine-tune the retraction end point during machine commissioning to perfectly seat heavy 15000N components without adding external hard stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X90-50 the Right Cylinder?
Select this 200mm bore actuator when an application demands extreme force—up to 15708N at 0.5 MPa—that smaller bores cannot provide, and choose the adjustable-stroke SAIJ format over a fixed SAI when you need to dial in the exact end-of-stroke position during commissioning or product changeovers. Because the 90mm nominal stroke is relatively short, external side-load guides are less critical here, but the 40mm rod and M36x2 thread provide excellent rigidity. For load-holding without continuous air pressure, integrate an external pilot-operated check valve or select the SAIL lock variant instead of relying on the rear stopper.
To match this ISO 15552 interchangeable cylinder for a replacement, verify the 200mm bore, 90mm nominal stroke, 50mm adjustment range, G3/4 PT port, and carbon steel rod. Mounting options are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR).
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 SAIJ200X90-50 FAQ
It features a rear stopper screw that allows you to shorten the effective stroke by up to 50mm. This turns the 90mm nominal stroke into a 40-90mm adjustable travel window, letting you fine-tune the end position without external stops.
The maximum push force reaches 28274N at 0.9 MPa.
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