Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-10S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 850mm 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
- Stroke850 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-10S
The AirTAC SAIJ200X850-10-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers massive thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa, making it suited for heavy-duty positioning. The integrated -10 adjustment mechanism allows you to trim the effective travel back by up to 10 mm, providing a precise 840-850 mm usable window for fine-tuning end positions at commissioning.
Equipped with a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance, this model includes a magnet (-S) for use with AirTAC CMSE reed and DMSE solid-state sensors. The extruded aluminum barrel incorporates sensor grooves on both sides, and the unit operates at 30-500 mm/s with variable air cushions at both ends to decelerate heavy loads smoothly.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-10S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 850 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 SAIJ200AX850-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×850 | 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 SAIJ200AX850-10S Is Used
Heavy Machinery Changeover
Dial in the 840-850 mm end-stop during heavy equipment product changeovers without replacing the entire cylinder assembly.
Large Press Tuning
Fine-tune the retraction point on large pneumatic presses to accommodate varying material thicknesses accurately.
Heavy Load Positioning
Position massive workpieces along a conveyor line, relying on the 15708 N push force to move heavy assemblies securely.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX850-10S the Right Cylinder?
Choose this 200 mm bore when you need extreme force—stepping down to a 160 mm bore yields 10053 N push force at 0.5 MPa, which may be insufficient for high-mass actuation. The adjustable stroke is ideal for product changeovers on large machinery, allowing you to dial in the 840-850 mm travel window without swapping the cylinder or adding external stops.
Because the 850 mm stroke is substantial, an external guide is strongly recommended to prevent excessive side-loading on the 40 mm rod and M36x2 thread. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; for fail-safe load holding, consider the SAIL or BSAI series. This unit is dimensionally interchangeable per ISO 15552 and features PT tapered ports, supporting Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ200AX850-10S FAQ
The rear adjuster screw allows you to shorten the nominal 850 mm stroke by up to 10 mm, giving an effective travel window of 840-850 mm. It acts as a mechanical stop to fine-tune the end position and works alongside the air cushions to decelerate the load, but it does not lock or hold the load without continuous air pressure.
At 0.5 MPa, it provides 15708 N of push force and 15080 N of pull force. At 0.7 MPa, the push force increases to 21991 N, and it reaches a maximum of 3204 kgf (approximately 31400 N) at 1.0 MPa.
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