Airtac SDA Ultra Thin Cylinder SDA20X30
The AirTAC SDA Ultra Thin Cylinder SDA20X30 is a genuine double-acting COMPACT (thin) air cylinder with a Ø20mm bore and 30mm stroke, M5×0.8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
- BoreØ20 mm
- Stroke30 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM4×0.7 (F) / M6×1.0 (B)
- CushionFixed NBR bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SDA Ultra Thin Cylinder SDA20X30
The AirTAC SDA20X30 is a double-acting, single-rod compact cylinder engineered to deliver 157.1 N of push force and 131.9 N of pull force at 0.5 MPa. Its riveted assembly joins the barrel, rear cover, piston, and rod into a highly shortened unit, saving valuable axial mounting depth where a conventional round-body actuator simply will not fit. The hard-anodized bore interior minimizes friction, while the integrated fixed NBR bumpers absorb impact energy at the stroke ends.
This specific configuration features an 8 mm piston rod and an M5x0.8 air port, operating smoothly across a 30-500 mm/s speed range. Because this SKU lacks the -S suffix, it is built without a piston magnet and cannot be paired with magnetic switches. The female M4x0.7 rod-end thread provides a straightforward interface for your tooling, though care must be taken to avoid side loading on the compact rod.
Airtac SDA Ultra Thin Cylinder SDA20X30 Technical Specifications
| Model | Airtac SDA Ultra Thin Cylinder SDA20X30 |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø20 mm |
| Stroke | 30 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod end thread | M4×0.7 female / M6×1.0 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 90 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).
Theoretical Output Force (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | — |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SDA Ultra Thin Cylinder SDA20X30
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 20 | Bore size in mm. |
| ×30 | 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).
Where the Airtac SDA Ultra Thin Cylinder SDA20X30 Is Used
PCB Depaneling Routing
Provides the precise 157.1 N extension needed to press and stabilize circuit boards during automated router cutting without stressing the substrate.
Carton Flap Folding
Drives a short 30 mm stroke to tuck minor flaps on packaging lines, fitting easily into the tight axial spaces between conveyor guide rails.
Lab Dispenser Actuation
Cycles reagent pumps in analytical instruments where the compact riveted body reduces overall machine footprint and the fixed NBR bumper dampens the stop.
Is the Airtac SDA Ultra Thin Cylinder SDA20X30 the Right Cylinder?
When sizing this actuator, evaluate your force requirements carefully. Stepping down to the SDA16 yields 100.5 N of push at 0.5 MPa, whereas moving up to the SDA25 provides 245.4 N, allowing you to scale your drive exactly to the load.
Remember that a standard SDA body does not maintain its position if air pressure drops or the directional valve centers; the piston will drift, and the fixed bumper only decelerates the end of travel rather than locking the load. To secure a suspended weight, incorporate an external rod lock or a pilot-operated check valve. To order, confirm the 20 mm bore, 30 mm stroke, M5x0.8 port, female rod thread, and the absence of a sensor magnet.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short-body depth vs. a round-body cylinder
- ✓ Port/thread type (PT)
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
- ✓ Side load — avoid on a compact rod
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the short piston rod.
- check Very long strokes are unsuitable for the compact body.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDA Ultra Thin Cylinder SDA20X30 FAQ
This double-acting cylinder generates 157.1 N push and 131.9 N pull at 0.5 MPa, increasing to 219.9 N push and 184.7 N pull at 0.7 MPa. The theoretical maximum push is 32 kgf at 1.0 MPa. It operates on filtered air between 0.15-1.0 MPa, with a proof pressure of 1.5 MPa, and functions in environments from -20 to +70 C.
No. This model uses fixed NBR bumpers at each end to decelerate the stroke, not an adjustable air cushion, so you may need an external shock absorber for high-energy loads. Additionally, this SKU lacks the -S magnet option, meaning it cannot support reed or electronic switches; you must select an SDA20X30S variant for position sensing.
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