The AirTAC SDAT double acting multi-position cylinder SDAT40X10X5 is a genuine COMPACT duplex cylinder (Ø40mm 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.
A double-acting compact duplex cylinder, the SDAT40X10X5 offers three fixed mechanical positions - retracted, 10 mm, and 15 mm - selected purely by which of its two stacked chambers receives air. That means one valve circuit replaces a cylinder-plus-stopper arrangement in tight machine envelopes.
Output is governed by a single 40 mm piston area, identical to a standard SDA: 628.3 N push, 527.8 N pull at 0.5 MPa. Do not size this unit expecting doubled force. The 16 mm rod is female M8x1.25 threaded, ports are PT1/8, and travel range spans 30-500 mm/s.
| Model | Airtac SDAT double acting multi-position cylinder SDAT40X10X5 |
|---|---|
| Series | SDAT compact duplex (multi-position) cylinder |
| Bore size | Ø40 mm |
| Stroke 1 / Stroke 2 | 0 / 0 mm |
| Fixed positions | 0 / 0 / 0 mm |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 F / M14×1.5 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 | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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. |
|---|---|
| 40 | 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 package sorter flap pivots to a shallow 10 mm deflection for lane one and a steeper 15 mm throw for lane two, driven by one 40 mm bore duplex unit on a conveyor line.
QC reject chutes switch between scrap and rework bins using the 0/10/15 mm sequence, with 628.3 N push at 0.5 MPa ample for light carton nudging.
A sheet-metal cell sets the anvil at 10 mm for tacking and 15 mm for final flattening, both stops mechanically repeatable between shifts.
With 628.3 N push available at 0.5 MPa, drop to 32 mm bore (402.1 N) for lighter duty or climb to 50 mm (981.7 N) if the load is heavier. Verify the 40 mm bore, S1=10, S2=5, PT1/8 ports, female rod thread, and magnet code before ordering.
Wiring two solenoid valves is required to command every stop. Remember the held position depends on live air pressure - centred valves or a supply loss release the load, so fit an external holding device where safety demands it.
Quick checklist
Three positions: 0, 10, and 15 mm. Force is that of one 40 mm piston - 628.3 N push, 527.8 N pull at 0.5 MPa, rising to 879.6 N push at 0.7 MPa, roughly 128 kgf maximum push at 1.0 MPa. Duplex adds stops, not thrust.
Yes, if you order the S magnet option. The body carries switch grooves that accept AirTAC reed or electronic (solid-state) magnetic switches, letting the PLC confirm retracted, 10 mm, or 15 mm. Without the magnet, sensing is not possible on this body.
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