
The AirTAC SAID32 Double Rod Cylinder SAID32X135S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 135mm 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 SAID32X135-S is a double-acting, double-rod profile cylinder conforming to ISO 15552 dimensions. A single piston drives a carbon steel rod out of both end covers, yielding exactly 483 N of force in both extend and retract directions at 0.5 MPa. Because the annulus area is identical on both sides, push and pull forces remain perfectly balanced.
This variant includes a magnet for position sensing and uses PT tapered ports. The extruded aluminum barrel features sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic switches wherever needed. The rear rod extension is ideal for mounting a cam or position flag to trigger external sensors.
| Model | Airtac SAID32 Double Rod Cylinder SAID32X135S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 135 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. |
| ×135 | 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.
Drives a workpiece forward and retracts it with identical 483 N force, ensuring consistent timing and load handling in both motion directions.
The twin-rod design resists torsional twisting better than a single rod, keeping guided slides perfectly aligned during vertical or horizontal transit.
Uses the protruding rear rod to mount a cam or flag, triggering external physical limit switches independently of the internal magnetic sensors.
Select this 32mm bore when an application requires equal 483 N force both ways and dual-side guidance. If your mechanism needs less force, stepping down is not an option in this series, but stepping up to a 40mm bore provides 739 N at 0.5 MPa. Choose the double-rod SAID over a single-rod SAI when you need to prevent rotation or drive a secondary mechanism from the rear. To match this cylinder for a direct replacement, specify the 32mm bore, 135mm stroke, PT port thread, and the -S magnet option.
Note that a plain SAID does not hold position when air pressure is lost; the piston will drift. Use an external pilot-operated check valve if load holding is required. Mounting accessories are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Quick checklist
Because the rod occupies both sides of the piston, the effective area is identical in both directions. It provides 345 N at 0.5 MPa, 483 N at 0.7 MPa, and 621 N at 0.9 MPa for both extend and retract strokes.
Yes, the SAID32X135-S is dimensionally interchangeable per ISO 15552. You can use it as a direct replacement for other ISO 15552 double-rod profile cylinders, provided your mounting hardware matches the Basic, FA, LB, or TC interfaces.
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