Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-30S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-30S 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 SAIJ200AX175-30S
The AirTAC SAIJ200X175-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a robust 15708N push force at 0.5 MPa and features a 175mm nominal stroke that can be fine-tuned down by up to 30mm, yielding a precise 145-175mm usable travel window. This built-in adjustability allows you to dial in the retract end-position during commissioning without adding external stops.
This variant includes an -S magnet for use with AirTAC CMSE reed and DMSE electronic sensors, and uses a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance. The extruded aluminum barrel retains standard ISO 15552 mounting interface dimensions, and the massive 40mm rod with an M36x2 thread provides exceptional rigidity to handle high side loads.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-30S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-30S |
|---|---|
| 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 SAIJ200AX175-30S
| 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 SAIJ200AX175-30S Is Used
Heavy Press Tuning
Fine-tune the exact bottoming position of a high-tonnage press during initial commissioning using the 145-175mm travel window, avoiding costly mechanical shimming.
Product Changeovers
Quickly adapt a heavy-duty conveyor diverter or stopper arm to accommodate different pallet sizes by dialing the rear adjuster instead of swapping cylinders.
Large Fixture Setup
Establish precise clamping endpoints for large automotive fixtures, relying on the 15708N force and the SUS420J2 stainless rod to resist harsh industrial fluids.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX175-30S the Right Cylinder?
Choose this 200mm bore cylinder when an 80mm bore (2513N push at 0.5MPa) cannot meet your thrust requirements, stepping down only if the massive 15708N force is unnecessary. An adjustable-stroke model is selected over a fixed SAI when you need variable end-stops for product changeovers or setup tuning. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding without pneumatic pressure, consider an AirTAC SAIL or BSAI cylinder. For a direct ISO 15552 replacement match, specify: 200mm bore, 175mm stroke, 30mm adjustment, PT tapered ports, and the -S magnet.
Although the stroke is 175mm, the sheer weight and kinetic energy of a 200mm bore demand careful mounting. Use the rigid Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounts, and always support long, heavy loads with an external guide rail to prevent rod binding.
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 SAIJ200AX175-30S FAQ
At 0.5 MPa operating pressure, this 200mm bore cylinder provides 15708N of push force and 15080N of pull force. It can reach a maximum push force of 28274N at 0.9 MPa.
The rear adjuster screw allows you to shorten the 175mm nominal stroke by up to 30mm, creating a 145-175mm usable travel window. This stopper sets the retract end-position but does not lock the load without continuous air pressure.
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