Airtac SAIJ200 Adjustable Cylinder SAIJ200AX250-20
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX250-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 250mm 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
- Stroke250 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX250-20
The AirTAC SAIJ200X250-20 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering massive thrust for heavy-duty pneumatics. It yields 15708N of push force and 15080N of pull force at 0.5 MPa, scaling up to a maximum of 3204 kgf at 1.0 MPa. By integrating a 20mm adjustment mechanism at the rear, this unit allows you to dial in the effective travel precisely within a 230 to 250mm window during commissioning.
This model features a robust 40mm piston rod made of SUS420J2 stainless steel (material code A) and utilizes a G3/4 PT tapered port. The extruded aluminum barrel includes sensor grooves on both sides for flexible positioning of CMSE reed or DMSE electronic solid-state switches. Operating at speeds of 30-500mm/s, it relies on variable air cushions at both ends to decelerate the heavy load smoothly.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX250-20 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX250-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 250 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 SAIJ200AX250-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×250 | 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 SAIJ200AX250-20 Is Used
Heavy Press Tuning
Fine-tune the 230-250mm travel window during machine commissioning to achieve the exact contact depth required for high-force pressing operations.
Product Size Changeover
Quickly adjust the rear stopper on the line when switching between different product sizes, avoiding the downtime of physically replacing the actuator.
Large Fixture Alignment
Dial in the exact end-position for massive 3204 kgf clamping fixtures, ensuring perfect alignment without adding external mechanical stops.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX250-20 the Right Cylinder?
Select this 200mm bore actuator when an application demands extreme force alongside precise end-position tuning without the need to physically swap cylinders or bolt on external stopper blocks. If your setup requires slightly less thrust, stepping down to a 160mm bore yields 10053N of push force at 0.5 MPa; however, if 15080N of pull force is required, this 200mm unit is the correct choice. The rear adjuster functions strictly as a travel stop to set the 230-250mm window and does not hold the load without live air pressure. For load-holding requirements without continuous air, consider an external rod lock, a pilot-operated check valve, or the AirTAC SAIL and BSAI cylinder series. To match this exact ISO 15552 replacement, specify: 200mm bore, 250mm stroke, 20mm adjustment, PT G3/4 port, SUS420J2 rod, and no magnet. Because the stroke is 250mm, ensure external guiding is used to prevent excessive side-loading on the rod.
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 SAIJ200AX250-20 FAQ
At 0.5 MPa, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. At its maximum operating pressure of 1.0 MPa, it delivers up to 3204 kgf.
The rear adjuster acts as an external stopper that allows you to shorten the effective travel from the nominal 250mm down to 230mm. It sets the end position but does not lock the load without continuous air pressure.
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 SAIJ200 Adjustable Cylinder SAIJ200AX250-20
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.