Airtac SAIJ200 Adjustable Cylinder SAIJ200AX170-20S
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX170-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 170mm 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
- Stroke170 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX170-20S
The AirTAC SAIJ200X170-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 170 mm travel to a precise 150-170 mm window during commissioning. Delivering a substantial 21991 N of push force at 0.7 MPa, this 200 mm bore actuator handles heavy industrial loads with ease. The extruded aluminum barrel features sensor grooves on both sides, and the -S magnet option enables direct mounting of AirTAC CMSE reed and DMSE solid-state switches for exact position feedback.
This unit features a SUS420J2 stainless steel rod (option A) for improved corrosion resistance compared to standard carbon steel. It uses PT tapered port threads (G3/4) and includes variable air cushions at both ends to manage kinetic energy. The rear stopper mechanism acts solely as a travel end-tuner; it is not a mechanical lock, so an external guide or related SAIL lock cylinder should be used if position holding without live air pressure is required.
Airtac SAIJ200 Adjustable Cylinder SAIJ200AX170-20S Technical Specifications
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX170-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 170 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 SAIJ200AX170-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×170 | 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 SAIJ200AX170-20S Is Used
Heavy Press Tuning
Fine-tune the 150-170 mm travel window during machine commissioning to achieve the exact contact pressure required for heavy stamping or forming operations.
Product Size Changeover
Quickly adjust the retract stop by up to 20 mm to accommodate different package dimensions on a high-thrust conveyor sorting line without changing tooling.
Variable End-Stop Setup
Use the rear adjuster screw to set precise lower-end positioning for heavy pallet stops, leveraging the 3204 kgf max force capacity safely.
Is the Airtac SAIJ200 Adjustable Cylinder SAIJ200AX170-20S the Right Cylinder?
Choose this 200 mm bore model when an application demands high thrust up to 21991 N at 0.7 MPa alongside a variable end-stop. If your process only requires 14074 N of push force, stepping down to the 160 mm bore reduces both physical footprint and air consumption. The 20 mm adjustment range is ideal for product-size changeovers on a packaging line, eliminating the need to physically swap cylinders or bolt on external stops. For load-holding without continuous air pressure, note that this adjuster only sets the travel end; you would need a SAIL or BSAI series cylinder instead.
As a direct ISO 15552 interchangeable profile cylinder, it matches standard mounting dimensions while omitting the FB, CA, CB, and CR accessory types, utilizing only Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts. Although the 170 mm stroke is under the 300 mm side-load threshold, the robust 40 mm rod and M36x2 thread provide excellent rigidity, though any heavy lateral loading still necessitates an external guide rail to prevent premature seal wear.
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 SAIJ200AX170-20S FAQ
At a 0.7 MPa operating pressure, this 200 mm bore cylinder generates 21991 N of push force and 15080 N of pull force. It can reach a maximum push force of 28274 N at 0.9 MPa.
The rear adjusting screw acts as an external stopper that lets you shorten the effective travel from the nominal 170 mm down to 150 mm. This creates a 20 mm tuning window for precise end-position calibration without replacing the cylinder.
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