Airtac SAIJ100 Adjustable Cylinder SAIJ100X550-30S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X550-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 550mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke550 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X550-30S
The AirTAC SAIJ100X550-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear mechanical adjuster. It provides a nominal 550 mm stroke that can be fine-tuned down by up to 30 mm, creating a precise 520-550 mm usable travel window. Delivering 5497 N of push force at 0.7 MPa, it handles heavy positioning tasks with ease. The extruded aluminum barrel features sensor grooves on both sides, and this -S variant includes a magnet for direct compatibility with AirTAC CMSE reed and DMSE electronic solid-state switches.
This model uses a robust 25 mm carbon steel rod with an M20x1.5 thread, paired with 36 mm variable air cushions at both ends to manage kinetic energy. The rear stopper allows you to dial in the retract end-position during commissioning or product changeovers without adding external stops. Note that the adjuster and cushions only set the travel end and deceleration; they do not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X550-30S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X550-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 550 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 36 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100X550-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×550 | 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 SAIJ100 Adjustable Cylinder SAIJ100X550-30S Is Used
Product Changeover
Dial in the 520-550 mm retract end-stop during format size changes on a packaging line without swapping out the entire actuator.
Heavy Press Positioning
Leverage the 5497 N push force at 0.7 MPa to move heavy assemblies, using the rear screw to fine-tune the final resting position.
Machine Commissioning
Trim up to 30 mm of stroke during initial machine setup to perfectly align tooling hits, avoiding the need for external mechanical shims.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X550-30S the Right Cylinder?
Choose this 100 mm bore when a 63 mm bore (2182 N push at 0.7 MPa) is insufficient, but an 80 mm bore (3518 N push) lacks the necessary thrust margin. The adjustable 520-550 mm window is ideal for machinery requiring exact end-stop tuning during setup, offering more flexibility than a fixed-stroke SAI cylinder. For load-holding without continuous air pressure, consider an AirTAC SAIL (pneumatic lock) or BSAI (clamp-lock) cylinder instead of relying on the rear adjuster. Because the 550 mm stroke is relatively long, an external guide is recommended to prevent excessive rod side-loading.
To match this ISO 15552 dimensionally interchangeable cylinder, confirm the 100 mm bore, 550 mm stroke, -30 adjustment, PT tapered port thread, G1/2 port size, and the -S magnet option. Mounting choices are limited to 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 SAIJ100 Adjustable Cylinder SAIJ100X550-30S FAQ
At 0.7 MPa operating pressure, this 100 mm bore cylinder provides 5497 N of push force and 3681 N of pull force. It can reach a maximum push force of 7068 N at 0.9 MPa.
A rear adjusting screw acts as a mechanical stop, allowing you to shorten the 550 mm nominal stroke by up to 30 mm. This creates a usable travel window of 520-550 mm for precise end-position tuning. The adjuster is a stop, not a lock, and cannot hold the load without live air.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Related AirTAC SAI Cylinders
Request a Quote for Airtac SAIJ100 Adjustable Cylinder SAIJ100X550-30S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.