The AirTAC AirTAC SDA32X55SH Compact Cylinder | 32mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø32mm bore and 55mm 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 SDA32X55SH 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 riveted assembly merges the barrel, rear cover, piston, and rod into a highly shortened unit, drastically reducing axial mounting depth compared to traditional round-body actuators. This space efficiency makes it ideal for densely packed machinery where every millimeter counts.
This specific configuration includes an -S piston magnet for direct mounting of AirTAC reed or electronic switches along the body grooves, plus an -H fluororubber (FKM) seal variant for enhanced thermal and oil resistance. The 32 mm bore features a 12 mm rod, PT1/8 ports, and relies on a fixed NBR bumper at each end to decelerate the stroke. Because this bumper is rigid and not an adjustable air cushion, high-energy cycles may require slowing the approach or adding external shock absorbers.
| Model | AirTAC SDA32X55SH Compact Cylinder | 32mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø32 mm |
| Stroke | 55 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. |
| ×55 | 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).
Deploys a routing gate in circuit board manufacturing, using the 55 mm stroke and 20.5 kg safe vertical lift margin to redirect panels while the FKM seals withstand ambient heat from nearby soldering ovens.
Actuates the forming press in a blister packaging line, where the 402.1 N push force securely molds plastic sheets and the compact riveted body minimizes the machine's axial footprint.
Pushes product diverter arms on a high-speed bottle conveyor, relying on the integrated magnet for position confirmation via reed or electronic switches to maintain synchronous sorting rhythm.
When sizing this 32 mm bore actuator, evaluate your neighbors: stepping down to the SDA25 yields 245.4 N push at 0.5 MPa, while moving up to the SDA40 provides 628.3 N. For the SDA32X55SH, the computed safe working load is roughly 241 N (about 60% of the 402.1 N rating), translating to a vertical lift capacity of approximately 20.5 kg with a 2:1 safety margin. Confirm your ordering essentials: 32 mm bore, 55 mm stroke, PT1/8 port, female M6x1.0 rod thread, plus the S magnet and H FKM seal options.
Remember that a standard compact cylinder does not hold its position if air pressure drops or the valve is centered. The piston will drift, and the fixed NBR bumper only decelerates the load near the stroke end rather than locking it. If your application must maintain a vertical load without live pressure, integrate an external rod lock or a pilot-operated check valve.
Quick checklist
This double-acting 32 mm bore cylinder generates 402.1 N push and 345.6 N pull at 0.5 MPa, increasing to 563 N push and 483.8 N pull at 0.7 MPa. The theoretical maximum push force is 82 kgf at 1.0 MPa. It operates between 0.15-1.0 MPa, handles a proof pressure of 1.5 MPa, and runs at speeds of 30-500 mm/s.
It uses a fixed NBR bumper at each end to decelerate the piston near stroke completion; this is not an adjustable air cushion, so high-speed applications may need external shock absorbers. Additionally, it does not inherently hold a load if air is lost—the piston drifts, meaning a pilot-operated check valve or external rod lock is required for fail-safe vertical holding.
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