The AirTAC AirTAC SDA80X85B Compact Cylinder | 80mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø80mm bore and 85mm 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 SDA80X85B is a double-acting single-rod compact cylinder engineered to deliver a substantial 2513.3 N push 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 where a conventional round-body actuator would fail to fit. The 80 mm bore features a hard-anodized inner wall and operates on filtered air at 30-500 mm/s.
This specific SKU includes a male-thread piston rod end (M22x1.5) for secure mechanical load coupling, paired with a robust 25 mm rod diameter. It relies on a fixed NBR bumper at each stroke end to absorb impact energy rather than an adjustable air cushion. Because this unit lacks the -S magnet option, it cannot host reed or electronic switches for position sensing.
| Model | AirTAC SDA80X85B Compact Cylinder | 80mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø80 mm |
| Stroke | 85 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. |
| ×85 | 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 inside a heavy plastic injection molding machine, utilizing the 2513.3 N extend force to reliably push finished parts out of the mold cavity.
Positions heavy steel plates prior to stamping in a hydraulic press line, taking advantage of the 25 mm male-threaded rod to secure heavy guiding fixtures.
Raises lower-tier pallets in an automated packaging line where the shortened riveted body saves critical vertical machine footprint.
When sizing this actuator, compare its 2513.3 N push at 0.5 MPa against adjacent bores: stepping down to the SDA63 yields 1558.6 N, while upgrading to the SDA100 provides 3927 N. Based on the 0.5 MPa output, the computed safe working load is approximately 1508 N (60 percent capacity), translating to a vertical lift capability of about 128.1 kg with a 2:1 safety margin. To finalize your order, confirm the 80 mm bore, 85 mm stroke, PT3/8 port, male M22x1.5 rod thread, and no magnet.
Keep in mind that a standard compact cylinder cannot hold a load if air pressure drops or the valve centers; the piston will drift, and the fixed rubber bumper only decelerates the stroke near the end without acting as a brake. If your application demands position holding without live pressure, you must integrate an external rod lock or a pilot-operated check valve.
Quick checklist
At 0.5 MPa, the push force is 2513.3 N and the pull force is 2267.8 N. At 0.7 MPa, the push is 3518.6 N and the pull is 3175 N. The theoretical maximum push is 513 kgf at 1.0 MPa. Operating pressure ranges from 0.15 to 1.0 MPa, with a proof pressure of 1.5 MPa and a temperature range of -20 to +70 C.
No, it uses a fixed NBR bumper at each end to decelerate the stroke, which is not a field-adjustable air cushion; for high energy cycles, slow the approach or add external shock absorbers. Additionally, this SKU lacks the -S magnet, so it cannot support reed or electronic switches, and the -B option designates the male M22x1.5 rod thread.
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