Airtac SAIJ200 Adjustable Cylinder SAIJ200X25-20
The AirTAC SAIJ200 Adjustable Cylinder SAIJ200X25-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 25mm 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
- Stroke25 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 SAIJ200X25-20
It features a robust 40 mm carbon steel rod and a G3/4 PT port. A rear mechanical stopper allows you to dial back the nominal 25 mm stroke by up to 20 mm, creating a precise 5-25 mm usable travel window for exact positioning.
This adjuster functions strictly as an end-position stop for fine-tuning during commissioning, not as a load-holding brake. The extruded aluminum barrel includes sensor grooves on both sides, and because no magnet is specified, position sensing requires adding a -S variant to support CMSE reed or DMSE electronic switches.
Airtac SAIJ200 Adjustable Cylinder SAIJ200X25-20 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200X25-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 25 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 SAIJ200X25-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×25 | 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 SAIJ200X25-20 Is Used
Heavy Press Tuning
Dial in the exact 5 to 25 mm crushing or pressing distance during machine setup to accommodate different material thicknesses without changing hardware.
Product Changeovers
Quickly adjust the end-stop on a packaging line to handle varying package sizes, utilizing the 20 mm rear trim to fine-tune the retraction point.
Short-Stroke Clamping
Apply up to 15708 N of clamping force in automated welding fixtures, using the adjustable stop to set precise material engagement depths.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200X25-20 the Right Cylinder?
The adjustable stroke is chosen when you need variable end-stops for product changeovers rather than relying on a fixed-stroke SAI cylinder.
When matching this for an ISO 15552 replacement, verify the 25 mm stroke, 20 mm adjustment range, G3/4 PT port, and mounting style. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, deliberately omitting FB, CA, CB, and CR. Because the stroke is under 300 mm, external side-load guides are less critical than on longer strokes, but the massive 40 mm rod thread still handles high mechanical stress. Note that this cylinder will not hold its load without live air; for pilot-operated locking, consider the SAIL or BSAI series.
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 SAIJ200X25-20 FAQ
The rear adjusting screw acts as a mechanical stopper that can trim the effective travel back by up to 20 mm. This creates a usable stroke window of 5 to 25 mm, allowing you to set the exact end-position during commissioning without adding external stops.
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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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