Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-50S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-50S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 175mm 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
- Stroke175 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-50S
The AirTAC SAIJ200X175-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 175 mm stroke by up to 50 mm for a usable travel window of 125-175 mm. It delivers massive thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa, making it ideal for heavy-duty positioning. The extruded aluminum barrel features sensor grooves on both sides, and this -S variant includes a magnet for CMSE reed and DMSE solid-state switches.
This SKU uses a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance over standard carbon steel, paired with PT tapered port threads. The 40 mm rod diameter and M36x2 rod thread handle high side loads well, though long unsupported strokes still require an external guide. The rear adjuster acts purely as a travel stop for fine end-position tuning at commissioning without swapping the cylinder, and it does not hold the load without live air pressure.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-50S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-50S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 175 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 SAIJ200AX175-50S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×175 | 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 SAIJ200AX175-50S Is Used
Heavy Press Fine-Tuning
Dial in the exact 125-175 mm end position for large stamping or pressing tasks without adding external mechanical stops.
Product Changeover Setup
Quickly adjust the retract distance on packaging lines when switching between different large product sizes.
Industrial Machine Integration
Drop-in ISO 15552 interchangeability for heavy machinery, using the magnet with DMSE sensors for end-position verification.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-50S the Right Cylinder?
Choose this 200 mm bore when you need maximum standard thrust up to 15708 N at 0.5 MPa, or step down to the 160 mm bore if your application only requires 10053 N. The adjustable stroke is selected over a fixed SAI cylinder when you need variable end stops or easy machine setup during product changeovers. For load-holding without live air pressure, the rear adjuster cannot act as a lock; you should use a SAIL or BSAI cylinder instead.
To match this ISO 15552 cylinder for replacement, specify a 200 mm bore, 175 mm stroke, 50 mm adjustment range, PT G3/4 port, and a magnet for sensors. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. Since the 175 mm stroke is under 300 mm, standard mounting handles the side load without requiring an external guide.
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 SAIJ200AX175-50S FAQ
At 0.5 MPa, it provides 15708 N of push force and 15080 N of pull force. At the maximum operating pressure of 1.0 MPa, the push force reaches 28274 N.
The rear adjuster allows you to shorten the effective travel from the 175 mm nominal stroke down to 125 mm. It functions as a travel stop for end-position tuning and does not lock or hold the load without live air.
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