
The AirTAC Airtac SAIJ200 Adjustable Cylinder SAIJ200BX600-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 600mm 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 SAIJ200X600-30 is a double-acting ISO 15552 profile cylinder engineered for heavy-duty applications, featuring a SUS304 stainless steel rod and PT tapered ports. It integrates a rear mechanical adjuster that allows you to fine-tune the stroke length, providing a usable travel window between 570 and 600 mm without requiring physical cylinder swaps. Delivering a robust 21991 N of push force at 0.7 MPa, it is built to handle massive loads with precision.
This 200 mm bore unit utilizes an extruded aluminum barrel with dual sensor grooves rather than a traditional tie-rod design. The rear stopper solely dictates the end-of-travel position and works in tandem with the standard 50 mm air cushions to manage deceleration; it is not a locking mechanism and cannot hold a load without continuous live air pressure.
| Model | Airtac SAIJ200 Adjustable Cylinder SAIJ200BX600-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 600 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. |
| ×600 | 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.
Dial in the exact 570 to 600 mm travel window during press setup to accommodate varying material thicknesses without repositioning the entire tooling assembly.
Adjust the rear stopper on the fly to handle different pallet sizes on a heavy-duty conveyor line, ensuring precise end-positioning for massive loads.
Leverage the 21991 N push force at 0.7 MPa to seat large components, using the 30 mm adjustment range to fine-tune the final pressing depth at commissioning.
Selecting this 200 mm bore cylinder is appropriate when your application demands extremely high thrust, such as 21991 N push force at 0.7 MPa, and requires exact end-position tuning during commissioning. If your force requirements are lower, stepping down to a 160 mm bore yields 14074 N at 0.7 MPa, which may improve cycle times and reduce air consumption. Conversely, if your setup needs to hold a load securely without constant air pressure, a standard SAIJ is insufficient and you should evaluate the SAIL air-released lock or BSAI clamp-lock series instead.
Because this model features a 600 mm stroke, the 40 mm diameter SUS304 rod carries substantial side-load risks when fully extended. An external guide mechanism is strongly recommended to prevent premature seal wear. For a direct ISO 15552 replacement match, ensure you specify the 200 mm bore, 600 mm stroke, 30 mm adjustment, PT port thread, and the required mounting set (Basic, FA, LB, TC, FTC, TCM1, or TCM2).
Quick checklist
At an operating pressure of 0.7 MPa, this 200 mm bore cylinder provides a push force of 21991 N and a pull force of 15080 N. At the maximum rated pressure of 1.0 MPa, the push force reaches 15708 N.
The rear adjuster acts as a mechanical stop that shortens the effective travel from the nominal 600 mm down to as little as 570 mm. This allows you to trim the end position by up to 30 mm during setup, though it does not lock the load in place without live air pressure.
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