Airtac B01-SDA Dedicated Cylinder B01-SDA25X20B
The AirTAC Airtac B01-SDA Dedicated Cylinder B01-SDA25X20B is a genuine double-acting COMPACT (thin) air cylinder with a Ø25mm bore and 20mm 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.
- BoreØ25 mm
- Stroke20 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM5×0.8 (F) / M8×1.25 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac B01-SDA Dedicated Cylinder B01-SDA25X20B
The AirTAC B01-SDA25X20B is a double-acting, single-rod compact cylinder. The B01- prefix marks this as an application-dedicated (customer-specified) variant of the standard SDA25X20B, meaning it is mechanically identical to the base model. It delivers a 245.4 N push and 206.2 N pull at 0.5 MPa, utilizing a hard-anodized 25 mm bore and a two-way piston seal.
This unit features a male M8x1.25 piston rod thread for direct load coupling. Its short riveted body significantly reduces axial mounting depth compared to round-body alternatives. End-stops rely on a fixed NBR bumper rather than an adjustable cushion, and because this specific SKU lacks the -S magnet option, it cannot host magnetic switches.
Airtac B01-SDA Dedicated Cylinder B01-SDA25X20B Technical Specifications
| Model | Airtac B01-SDA Dedicated Cylinder B01-SDA25X20B |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø25 mm |
| Stroke | 20 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod end thread | M5×0.8 female / M8×1.25 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).
Theoretical Output Force (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | — |
| Max (@1.0 MPa) | 50 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac B01-SDA Dedicated Cylinder B01-SDA25X20B
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 25 | Bore size in mm. |
| ×20 | 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 B01-SDA Dedicated Cylinder B01-SDA25X20B Is Used
PCB Edge Guiding
Provides precise 20 mm lateral shifts on a conveyor to align printed circuit boards before optical inspection.
Carton Flap Folding
Drives a short mechanical arm to tuck minor flaps on packaging lines at speeds well within its 30-500 mm/s range.
Component Ejection
Pushes small molded plastic parts out of a fixture using the male M8x1.25 threaded rod end to attach a custom ejector pad.
Is the Airtac B01-SDA Dedicated Cylinder B01-SDA25X20B the Right Cylinder?
When sizing this 25 mm bore actuator, consider stepping down to the SDA20 which yields 157.1 N push at 0.5 MPa, or moving up to the SDA32 which provides 402.1 N push at 0.5 MPa. For this 245.4 N output, a safe working load is roughly 147 N (about 60 percent capacity) or a 12.5 kg vertical lift with a 2:1 safety margin. Ensure you specify the 20 mm stroke, M5x0.8 port, and male M8x1.25 rod thread when ordering.
Note that a standard compact 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 piston. If your application requires strict position holding without live pressure, you must integrate an external rod lock or a pilot-operated check valve.
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 B01-SDA Dedicated Cylinder B01-SDA25X20B FAQ
This 25 mm bore double-acting cylinder generates a push of 245.4 N and a pull of 206.2 N at 0.5 MPa. At 0.7 MPa, the push increases to 343.6 N. The theoretical maximum push force is 50 kgf at 1.0 MPa.
The B01- prefix simply designates this as an application-dedicated (customer-specified) build of the SDA25X20B, with no mechanical changes to the standard specs. It uses a fixed NBR bumper at each end to decelerate the stroke, which is not a field-adjustable air cushion; for high energy impacts, add an external shock absorber.
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