The AirTAC AirTAC SDA40X150 Compact Cylinder | 40mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø40mm bore and 150mm 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 SDA40X150 is a double-acting single-rod compact cylinder engineered for tight axial mounting spaces. It delivers 628.3 N of push force and 527.8 N of pull force at 0.5 MPa, operating via a PT1/8 port. The riveted body assembly integrates the barrel, rear cover, and piston to drastically reduce overall length compared to conventional round-body units.
This specific 150 mm stroke unit exceeds the 130 mm maximum standard stroke for the 40 mm bore, making it a non-standard, made-to-order configuration. The bore is hard-anodized and uses a two-way piston seal, while end-stop deceleration is handled strictly by a fixed NBR bumper rather than an adjustable cushion. Note that this SKU lacks a piston magnet and therefore cannot support magnetic sensing.
| Model | AirTAC SDA40X150 Compact Cylinder | 40mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø40 mm |
| Stroke | 150 mm |
| Acting type | Double acting |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 female / M14×1.5 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 | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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. |
|---|---|
| 40 | Bore size in mm. |
| ×150 | 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 a routing flap on a logistics sorting line, utilizing the 628.3 N push force to redirect parcels up to 32 kg safely onto secondary chutes.
Pushes a secondary ejector plate in a plastics molding cell where the 150 mm travel is required to clear deep mold cavities within a compact machine footprint.
Folds heavy corrugated carton flaps prior to sealing, relying on the fixed NBR bumper to absorb the impact of rapid 30-500 mm/s cycling.
When sizing this actuator, evaluate your force margins both ways: stepping down to the SDA32 yields 402.1 N of push at 0.5 MPa, while stepping up to the SDA50 provides 981.7 N. For the current 40 mm bore at 0.5 MPa, a safe working load is approximately 377 N (about 60% of the 628.3 N output), translating to a vertical lift capacity of roughly 32 kg with a 2:1 safety factor. Because this 150 mm stroke exceeds the 130 mm standard limit, it is manufactured as a special order.
Confirm your ordering essentials: 40 mm bore, 150 mm stroke, PT1/8 port, female M8x1.25 rod thread, and no magnet. Keep in mind that a plain SDA body does not hold its load if air pressure drops or the valve is centered—the piston will drift. If your application requires vertical position holding without live pressure, you must integrate an external rod lock or a pilot-operated check valve.
Quick checklist
This 40 mm bore double-acting cylinder provides 628.3 N push and 527.8 N pull at 0.5 MPa, and 879.6 N push at 0.7 MPa. The theoretical maximum push force is 128 kgf at 1.0 MPa. Operating pressure ranges from 0.15-1.0 MPa, with a proof pressure of 1.5 MPa, and the speed range is 30-500 mm/s.
No, this specific SKU is manufactured without a piston magnet, so it cannot trigger AirTAC reed or electronic switches. You would need to specify the -S option code to enable sensing. Additionally, end-of-stroke deceleration relies solely on a fixed NBR bumper, which is not an adjustable air cushion.
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