The AirTAC AirTAC SDA32X70B Compact Cylinder | 32mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø32mm bore and 70mm stroke, PT1/8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA32X70B is a double-acting, single-rod compact cylinder engineered to deliver 402.1 N of push force and 345.6 N of pull force at 0.5 MPa. Its defining characteristic is a short, riveted body that integrates the barrel, rear cover, piston, and rod. This construction drastically reduces axial mounting depth, allowing it to fit into tight machine footprints where a round-body component would fail.
This specific configuration includes a male M10x1.25 thread on the 12 mm piston rod, providing a robust mechanical coupling for your load. The bore inner wall is hard-anodized for longevity, and the cylinder relies on a fixed NBR bumper at each end to decelerate the stroke. Because this SKU lacks the -S magnet option, it cannot host magnetic position switches. Operating speeds span 30-500 mm/s, and the 70 mm stroke is well within the 130 mm maximum standard stroke for this 32 mm bore.
| Model | AirTAC SDA32X70B Compact Cylinder | 32mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø32 mm |
| Stroke | 70 mm |
| Acting type | Double acting |
| Port size | PT1/8 |
| Rod end thread | M6×1.0 female / M10×1.25 male (B) |
| 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 | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 120 mm |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×70 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Provides the 402.1 N push stroke required to fold heavy corrugated cardboard flaps on automated packaging lines, utilizing the male M10 thread for a secure clevis attachment.
Actuates a routing gate to sort parcels on a conveyor belt, where the short riveted body saves valuable axial space within the conveyor frame structure.
Pushes finished stamped parts out of a small press die, relying on the 12 mm rod and fixed NBR bumper to withstand repetitive impact at cycle speeds up to 500 mm/s.
When sizing this 32 mm bore model, consider stepping down to the SDA25, which provides 245.4 N of push force at 0.5 MPa for lighter duties, or stepping up to the SDA40, which yields 628.3 N if your application demands greater thrust. For the SDA32X70B specifically, the safe working load is approximately 241 N (about 60% of the 402.1 N figure at 0.5 MPa), translating to a vertical lift capacity of roughly 20.5 kg with a 2:1 safety margin. Remember that a plain compact cylinder does not hold its position if air pressure is lost or the valve is centered; the piston will drift, and the fixed bumper only decelerates near the stroke end. To maintain a vertical load, you must integrate an external rod lock or a pilot-operated check valve. When ordering, confirm the 32 mm bore, 70 mm stroke, PT1/8 port, male M10x1.25 rod thread, and the absence of a sensor magnet.
Quick checklist
At 0.5 MPa, the push force is 402.1 N and the pull force is 345.6 N. At 0.7 MPa, the push force is 563 N and the pull force is 483.8 N. The theoretical maximum push force is 82 kgf at 1.0 MPa, which is the maximum operating pressure.
No, it uses a fixed NBR bumper at each end to decelerate the stroke end, which is not an adjustable air cushion. Additionally, this specific SKU lacks a piston magnet, so it cannot support reed or electronic switches; you would need the -S variant for position sensing.
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