The AirTAC AirTAC SDA80X75B Compact Cylinder | 80mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø80mm bore and 75mm stroke, PT3/8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA80X75B is a double-acting single-rod compact cylinder engineered to deliver a robust 2513.3 N push force at 0.5 MPa. Its riveted body design integrates the barrel, rear cover, piston, and rod into a highly condensed package, significantly reducing axial mounting depth compared to traditional round-body units. This space-saving footprint is critical when integrating high-force actuation into tight machine frames.
This specific SKU is configured with a male M22x1.5 piston rod thread for secure mechanical load coupling and utilizes PT3/8 ports to handle the necessary air volume for its 80 mm bore. The internal bore is hard-anodized for longevity, while end-of-stroke deceleration is handled by a fixed NBR bumper. Note that this non-magnet version cannot support position sensing; adding an -S option is required for reed or electronic switches.
| Model | AirTAC SDA80X75B Compact Cylinder | 80mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø80 mm |
| Stroke | 75 mm |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod end thread | M14×1.5 female / M22×1.5 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 | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 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. |
|---|---|
| 80 | Bore size in mm. |
| ×75 | 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).
Drives the ejection plate of a 150-ton injection molding machine, supplying the 2513.3 N push needed to release dense plastic parts while fitting into shallow mold platens.
Positions the back-gauge on a CNC press brake, leveraging the 25 mm male-threaded rod end to push thick sheet metal into the forming die accurately.
Raises lowerator forks in an end-of-line packaging conveyor, handling the 128.1 kg vertical lift capacity to stage heavy corrugated cartons for robotic pickup.
When sizing this actuator, consider stepping down to the SDA63, which provides 1558.6 N of push force at 0.5 MPa, or scaling up to the SDA100, which yields 3927 N at the same pressure. For the SDA80X75B, the safe working load is approximately 1508 N (about 60% of the 0.5 MPa figure), allowing for a vertical lift of roughly 128.1 kg with a 2:1 safety margin. Keep in mind that a standard double-acting cylinder drifts when air pressure is lost or the valve is centered, as the fixed bumper only decelerates the stroke end rather than locking the load; utilize an external rod lock or pilot-operated check valve if position holding is mandatory. To order, confirm the 80 mm bore, 75 mm stroke, PT3/8 port, male M22x1.5 rod thread, and the absence of a sensor magnet.
Quick checklist
This 80 mm bore cylinder generates 2513.3 N of push and 2267.8 N of pull at 0.5 MPa. At 0.7 MPa, the push increases to 3518.6 N. The theoretical maximum push is 513 kgf at 1.0 MPa. It operates between 0.15 and 1.0 MPa, with a proof pressure of 1.5 MPa, and functions at speeds of 30-500 mm/s.
It relies on a fixed NBR bumper at each end to decelerate the piston near the stroke limits; this is not an adjustable air cushion. Because it is a standard double-acting cylinder, it will drift if air is lost or the directional valve is centered, so an external rod lock or pilot-operated check valve is required to hold a load securely.
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