
The AirTAC Airtac SAID32 Double Rod Cylinder SAID32X450S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 450mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
The AirTAC SAID32X450-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 32mm bore and 450mm stroke. Because a rod exits both ends, the annulus area is identical on extend and retract, yielding equal force and speed in both directions. It generates 345N each way at 0.5 MPa and 621N at 0.9 MPa. The integrated -S magnet enables position detection via CMSE reed or DMSE solid-state sensors.
This through-rod configuration allows mounting a workpiece on the front rod and a cam or position flag on the rear rod for dual-side guidance. The extruded aluminum barrel includes sensor grooves on both sides. The standard carbon steel rod handles typical loads, while PT tapered ports ensure a tight pneumatic seal. Remember that the adjustable air cushions only decelerate the piston near stroke end; they do not lock or hold the load when air pressure is removed.
| Model | Airtac SAID32 Double Rod Cylinder SAID32X450S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 450 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max stroke | Up to 1000 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 | 346 N | 346 N |
| 0.7 MPa | 484 N | — |
| Max (@1.0 MPa) | 70 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. 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. |
|---|---|
| 32 | Bore size in mm. |
| ×450 | 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.
Tasks requiring identical push and pull forces benefit from the equal annulus area, delivering 483N both ways at 0.7 MPa without the speed differential of single rods.
The twin-rod design naturally resists torsion, keeping guided loads from twisting during the 450mm travel without needing external linear bearings.
Mount a primary workpiece on the front rod end and a secondary cam or limit flag on the rear protruding rod to trigger DMSE electronic sensors.
Choose this 32mm bore double-rod cylinder when an application requires equal push and pull forces alongside anti-rotation guidance. If your task needs less force, stepping down is not an option for ISO 15552, but if you need higher thrust, the 40mm neighbor provides 528N each way at 0.5 MPa. The SAID is preferred over a single-rod SAI when you need to drive a secondary mechanism or sensor flag from the rear rod end. It uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR accessories.
Because this 450mm stroke is relatively long for a 32mm bore, the 12mm rod and rod thread are susceptible to side-load bending. You should use an external guide to support the load and prevent rod-bearing wear. This cylinder is dimensionally interchangeable per ISO 15552, serving as a direct replacement for other ISO 15552 double-rod cylinders. It will not hold its position if air is lost; for load-holding, consider an SAIL lock or BSAID clamp-lock cylinder.
Quick checklist
Because the rod occupies both sides of the piston, the effective area is equal in both directions. It provides 345N of push and pull force at 0.5 MPa, 483N at 0.7 MPa, and 621N at 0.9 MPa.
Yes, it is dimensionally interchangeable per ISO 15552. However, the SAID double-rod series uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets found on single-rod versions.
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