Airtac SAIJ200 Adjustable Cylinder SAIJ200BX80-30S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX80-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 80mm 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
- Stroke80 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 SAIJ200BX80-30S
The AirTAC SAIJ200X80-30-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers immense thrust, pushing 15708N and pulling 15080N at 0.5 MPa, making it suitable for heavy-duty operations. The integrated adjuster allows you to fine-tune the effective travel down from the 80mm nominal stroke, providing a usable 50-80mm window to dial in end positions without adding external stops.
This unit includes a SUS304 stainless steel rod for superior corrosion resistance and is equipped with a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. Fluid is filtered air, operating between 0.15-1.0 MPa, with variable air cushions at both ends. The extruded aluminum barrel includes sensor grooves on both sides, and mounting options span Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ200 Adjustable Cylinder SAIJ200BX80-30S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX80-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 80 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 SAIJ200BX80-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×80 | 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 SAIJ200BX80-30S Is Used
Heavy Press Tonnage Setup
Dial in the exact 50-80mm travel window during heavy press commissioning to achieve precise clamping tonnage without machining external spacers.
Variable Product Changeover
Quickly adjust the retract end-position by up to 30mm on automated lines when switching between product variants of different heights.
High-Force End Stop Tuning
Leverage the 15708N push force to securely seat heavy assemblies while fine-tuning the final resting position via the rear stopper screw.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200BX80-30S the Right Cylinder?
Select this 200mm bore cylinder when your application requires maximum output force in the 15708N range at 0.5 MPa, stepping up significantly from the 160mm bore which provides 10053N. The adjustable stroke is chosen when you need commissioning flexibility to set variable end-stops on the fly, rather than relying on a fixed-stroke SAI cylinder. Note that the rear adjuster acts purely as a travel stop and does not hold the load without live air; for true load-holding, consider the SAIL or BSAI series.
With an 80mm stroke, side-load risks are moderate, but the robust 40mm rod and M36x2 thread handle high stresses well. This SAIJ configuration uses PT tapered ports and is dimensionally interchangeable per ISO 15552, ensuring seamless integration into standard setups.
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 SAIJ200BX80-30S FAQ
At a 0.5 MPa operating pressure, this 200mm bore cylinder provides a push force of 15708N and a pull force of 15080N. At 0.7 MPa, the push force increases to 21991N.
The rear adjuster screw allows you to shorten the 80mm nominal stroke by up to 30mm, creating a usable travel window of 50-80mm. This lets you fine-tune the end position at commissioning without swapping the cylinder.
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