The AirTAC SDAT double acting multi-position cylinder SDAT32X25X25S is a genuine COMPACT duplex cylinder (Ø32mm bore) built from two stacked piston sections of 0 mm and 0 mm. Switching the two chambers gives fixed rod stops at 0, 0 and 0 mm — three repeatable positions from a single actuator.
The SDAT32X25X25S is a double-acting compact duplex multi-position cylinder. Two stacked piston sections give repeatable mechanical stops at 0 mm, 25 mm and 50 mm from a single actuator. Air routed to the two chambers picks the stop, so one cylinder replaces a pair of separate cylinders or an external stopper block.
Thrust comes from one piston area only: expect 402.1 N push and 345.6 N pull at 0.5 MPa on the 32 mm bore. The duplex layout buys positions, not extra force, so do not size this as a tandem. A fixed NBR bumper absorbs end shock and cannot be adjusted. The fitted magnet works with AirTAC reed or electronic switches seated in the body grooves to confirm each of the three stops.
| Model | Airtac SDAT double acting multi-position cylinder SDAT32X25X25S |
|---|---|
| Series | SDAT compact duplex (multi-position) cylinder |
| Bore size | Ø32 mm |
| Stroke 1 / Stroke 2 | 0 / 0 mm |
| Fixed positions | 0 / 0 / 0 mm |
| Port size | PT1/8 |
| Rod end thread | M6×1.0 F / M10×1.25 male (B) |
| Acting type | Double acting, duplex |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper |
| Stroke rule | Stroke 1 + Stroke 2 ≤ standard max |
Stroke 1 + Stroke 2 must not exceed the standard stroke maximum for the bore. Confirm the exact stop sequence against the AirTAC SDAT datasheet before wiring the valves.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Force is set by the single piston area (same as an SDA of this bore) — the duplex design adds positions, not thrust. Actual usable force is lower than theoretical.
| SDAT | Compact duplex (multi-position) cylinder. |
|---|---|
| 32 | Bore size in mm. |
| ×0 | Stroke 1 (first section) in mm. |
| ×0 | Stroke 2 (second section) in mm. |
| S / B | S = magnet; B = male-thread rod (both optional). |
Thread: PT standard. Related: SDAW (duplex-end multi-position), SDA (single position), SDAD (double rod), SDAJ (adjustable stroke).
A parts diverter on a 32 mm bore pushes trays into one of three chutes. Stopping at 0/25/50 mm routes flow without a second cylinder or mechanical stop pins.
The 50 mm total travel in two 25 mm steps lifts cartons to low, mid or high pick faces. 402.1 N push at 0.5 MPa handles light pallet loads on the 12 mm rod.
Press pressure into the chamber pairs to index a small fixture plate by 25 mm per step. The built-in magnet and sensors confirm each dwell before the next cycle.
Compare push force at 0.5 MPa: the 25 mm bore next size down gives 245.4 N, while the 40 mm bore up from this one delivers 628.3 N. Choose the 32 mm bore only if 402.1 N push covers your load with margin. Reaching all three positions needs two solenoid lines, so plan the valve circuit accordingly. Note that stops hold only while pressure is live; with air lost or valves centred the rod can drift, so use an external locking device for load holding without pressure.
Confirm bore 32, S1 25, S2 25, PT1/8 port, the -S magnet option and the female rod thread (M6x1.0) before ordering. Speed range is 30-500 mm/s.
Quick checklist
Stops sit at 0, 25 and 50 mm (S1 25 + S2 25). Force equals one 32 mm SDA piston, not doubled: 402.1 N push and 345.6 N pull at 0.5 MPa, 563.0 N push at 0.7 MPa, and up to 82 kgf push at 1.0 MPa. Operating pressure is 0.15-1.0 MPa with 30-500 mm/s speed.
Pressurising chamber combinations sets which piston section is extended, locking the rod at 0, 25 or 50 mm. The -S magnet on this model lets AirTAC reed or electronic (solid-state) switches clip into the body grooves, one per stop, to verify position in your PLC.
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