Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-75S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-75S 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 SAIJ200AX175-75S
The AirTAC SAIJ200X175-75-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 175 mm travel by up to 75 mm. This yields a highly flexible 100-175 mm usable window, perfect for dialing in exact end positions during machine commissioning. Belonging to the 200 mm bore class, it delivers massive thrust, pushing 15708 N and pulling 15080 N at 0.5 MPa. The unit includes a SUS420J2 stainless steel rod (A option) for superior corrosion resistance and a -S magnet for solid-state DMSE or reed CMSE position sensing.
This extruded aluminum profile barrel features sensor grooves on both sides and omits tie-rod construction. The rear adjustment mechanism acts purely as a travel stop, working alongside the 50 mm variable air cushions at both ends to decelerate the load. Because the adjuster is not a locking device, the cylinder will not hold its position without live air pressure; for fail-safe load holding, consider the SAIL or BSAI series instead.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-75S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-75S |
|---|---|
| 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 SAIJ200AX175-75S
| 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 SAIJ200AX175-75S Is Used
Heavy Press Tonnage Setup
Fine-tune the 100-175 mm travel window on a 15708 N press to accommodate varying material thicknesses without re-machining mechanical hard stops.
Large Mold Changeover
Rapidly adjust the retract end-position during product size changeovers on heavy assembly lines, saving hours of physical cylinder swapping.
Bulk Pallet Positioning
Position large pallets by dialing in the exact 40 mm stainless steel rod extension, relying on the SUS420J2 material to resist shop-floor corrosion.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-75S the Right Cylinder?
Select this 200 mm bore model when an application demands extreme force combined with variable end-stops, avoiding the need to physically swap cylinders during product changeovers. If 15708 N of push force at 0.5 MPa exceeds your requirement, stepping down to the 160 mm bore yields 10053 N, whereas the 200 mm class is necessary for heavy press-forming or large payload manipulation. The PT tapered port is G3/4, and the M36x2 rod thread provides a robust interface for heavy-duty tooling.
When replacing an ISO 15552 unit, match the 200 mm bore, 175 mm stroke, 75 mm adjustment range, PT port thread, and the -S magnet requirement. Because the stroke is 175 mm, external guidance is recommended to prevent side-loading damage to the M36x2 rod, even though the large 40 mm rod diameter inherently handles higher bending stresses. Mounting options are limited to 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 SAIJ200AX175-75S FAQ
The rear adjuster acts as an external stopper that trims the effective travel back from the 175 mm nominal stroke by up to 75 mm, creating a 100-175 mm usable window. It only sets the travel end and does not lock the load without live air pressure.
At 0.5 MPa operating pressure, it provides 15708 N of push force and 15080 N of pull force. The maximum thrust is 3204 kgf at 1.0 MPa.
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