Airtac SAIJ200 Adjustable Cylinder SAIJ200AX950-100
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX950-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 950mm 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
- Stroke950 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX950-100
The AirTAC SAIJ200X950-100 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers immense thrust, generating 15708N of push force and 15080N of pull force at 0.5 MPa. The integrated adjustment mechanism provides a usable travel window of 850-950mm, allowing you to dial back the nominal 950mm stroke by up to 100mm during commissioning.
This heavy-duty actuator utilizes a durable SUS420J2 stainless steel rod and PT tapered port threads. It supports an operating speed of 30-500mm/s and features sensor grooves on both sides of the extruded aluminum barrel for flexible switch mounting. The rear stopper screw acts purely as a travel end-position setter, meaning it cannot hold a load without continuous live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX950-100 Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX950-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 950 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 SAIJ200AX950-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×950 | 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 SAIJ200AX950-100 Is Used
Heavy Press Tuning
Fine-tune the 850-950mm travel window on heavy pressing equipment to accommodate varying material thicknesses without changing out the main actuator.
Large Assembly Changeover
Adjust the rear stopper during production line changeovers to set precise end positions for different large-scale product dimensions quickly.
Guided Heavy Load Positioning
Move massive payloads along an 850-950mm path, relying on the external guide rails to manage side-load while the cylinder provides 15708N of thrust.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX950-100 the Right Cylinder?
Selecting this 200mm bore actuator is ideal when an application requires extreme force that smaller bores cannot provide, such as the 125mm version which tops out at 6136N push at 0.5 MPa. The 100mm adjustment range is particularly valuable for large-scale machinery where fine-tuning the end-of-stroke position during product changeovers prevents the need to physically swap out a massive 950mm cylinder or bolt on external stops. When replacing an ISO 15552 cylinder, match the 200mm bore, 950mm stroke, PT port threads, and standard mounting interface.
Because the 950mm stroke creates a long unsupported rod extension, an external guide rail is highly recommended to prevent excessive side-loading and premature seal wear. For applications requiring true load-holding without live air pressure, this standard SAIJ adjuster is insufficient; consider the SAIL air-released lock series or an external rod lock instead. Available mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ200AX950-100 FAQ
At an operating pressure of 0.5 MPa, this 200mm bore cylinder generates a push force of 15708N and a pull force of 15080N. It can achieve a maximum push force of 3204 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective travel from the nominal 950mm stroke by up to 100mm, providing an adjustable window of 850 to 950mm. This stopper sets the travel end position but does not lock or hold the load without live air pressure.
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