Airtac SAIJ200 Adjustable Cylinder SAIJ200X950-50
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X950-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 950mm 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
- Stroke950 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 SAIJ200X950-50
It features a rear stroke adjuster that allows you to fine-tune the effective travel down from a 950 mm nominal stroke, creating a 900-950 mm usable window. This built-in adjustability eliminates the need to physically swap cylinders or bolt on external stops when dialing in final end positions during commissioning.
This model incorporates a robust 40 mm carbon steel piston rod paired with an M36x2 rod thread, providing high structural integrity to manage extreme dynamic loads. The extruded aluminum barrel includes sensor grooves on both sides for straightforward positioning feedback. While the rear adjuster and variable air cushions at both ends precisely decelerate the load, neither component functions as a lock; the cylinder requires live air pressure to maintain its position.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X950-50 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X950-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 950 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 SAIJ200X950-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×950 | 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 SAIJ200X950-50 Is Used
Heavy-Duty Changeover
Dial in the 900-950 mm travel window during product-size transitions on large fabrication lines without replacing the cylinder.
Commissioning End-Tuning
Use the rear stopper to precisely set the final retract position during initial machine setup, avoiding external stop blocks.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X950-50 the Right Cylinder?
Selecting this 200 mm bore unit is appropriate when an application demands maximum thrust within the SAIJ range, as stepping down to a 160 mm bore would reduce the 0.5 MPa push force to 10053N. The 50 mm adjustment range is specifically advantageous for product-size changeovers on long-stroke machinery, enabling operators to set variable end-stops without mechanical rework. For true fail-safe load-holding without continuous air pressure, this standard cylinder should be paired with a SAIL air-released lock, a BSAI clamp-lock, or an external pilot-operated check valve.
Because the 950 mm stroke exceeds the 300 mm threshold, the long unsupported rod is highly susceptible to side-loading and sagging. An external guide rail system must be implemented to prevent premature seal wear and binding. To match this ISO 15552 footprint for a direct replacement, verify the 200 mm bore, 950 mm stroke, 50 mm adjustment, PT tapered port thread, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
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 SAIJ200X950-50 FAQ
It can deliver up to 3204 kgf at its maximum 1.0 MPa pressure rating.
The rear adjuster acts as a mechanical stop that trims the 950 mm nominal stroke back by up to 50 mm, yielding a 900-950 mm usable travel window. It is a travel stop and does not lock the load without live air pressure.
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1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
Related AirTAC SAI Cylinders
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