
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 165mm 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.
The AirTAC SAIJ200X165-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 100 mm. This creates a highly flexible 65-165 mm usable stroke window, letting you dial in the exact retract end-position during commissioning without swapping out the hardware. It delivers massive thrust, generating 15708 N of push force and 15080 N of pull force at a 0.5 MPa operating pressure.
This 200 mm bore unit is built with a SUS420J2 stainless steel piston rod (option A) for enhanced corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE solid-state switches. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air pressure.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200AX165-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 165 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.
| 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.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×165 | 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.
Fine-tune the 65-165 mm retract position on a high-tonnage press during setup, ensuring precise crushing or forming depth without adding external mechanical stops.
Quickly adapt automated heavy machinery to new product dimensions by dialing back the stroke up to 100 mm, minimizing downtime between production runs.
Move large payloads with up to 15708 N of push force at 0.5 MPa, using the rear stopper to safely decelerate the load at the end of the travel window.
Select this 200 mm bore cylinder when your application requires extreme force—stepping down to a 160 mm bore drops the 0.5 MPa push force to 10053 N, whereas this SAIJ200X165-100 provides 15708 N. Choose the adjustable-stroke SAIJ over a fixed SAI when you need variable end-stops to accommodate product size changes on a line, saving the cost of external stops. Because the 165 mm stroke is below the 300 mm side-load threshold, external guiding is less critical than on longer strokes, though the robust 40 mm rod and M36x2 thread handle substantial mechanical stress.
When ordering a replacement, ensure you match the 200 mm bore, 165 mm nominal stroke, 100 mm adjustment range, PT port threads, and the SUS420J2 rod material. This cylinder uses the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options. If your machine requires true load-holding without live air, select an AirTAC SAIL or BSAI cylinder instead, as the adjuster here is not a lock.
Quick checklist
At a 0.5 MPa operating pressure, this 200 mm bore cylinder generates 15708 N of push force and 15080 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 3204 kgf.
The rear adjuster screw allows you to shorten the 165 mm nominal stroke by up to 100 mm, creating a usable travel window of 65 to 165 mm. The adjuster acts as a mechanical stop to fine-tune the end position and is not a lock, so it will not hold the load without live air pressure.
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