Airtac B01-SDA Dedicated Cylinder B01-SDA40X20B
The AirTAC Airtac B01-SDA Dedicated Cylinder B01-SDA40X20B is a genuine double-acting COMPACT (thin) air cylinder with a Ø40mm bore and 20mm 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.
- BoreØ40 mm
- Stroke20 mm
- Port sizePT1/8
- Acting typeDouble acting
- Rod threadM8×1.25 (F) / M14×1.5 (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 B01-SDA Dedicated Cylinder B01-SDA40X20B
The AirTAC B01-SDA40X20B is a double-acting, single-rod compact cylinder. The leading "B01-" prefix marks this as an application-dedicated (customer-specified) variant of the standard SDA40X20B, meaning it is mechanically identical to the base model. It delivers a push force of 628.3 N and a pull force of 527.8 N at 0.5 MPa. The short riveted body significantly reduces axial mounting depth compared to round-body alternatives, saving valuable machine footprint.
This specific SKU features a male M14x1.5 piston rod thread (denoted by the B option) for secure mechanical coupling to your load. Instead of an adjustable air cushion, the internal end stops use a fixed NBR bumper to decelerate the piston near stroke end. Operating at speeds between 30 and 500 mm/s, this unit lacks a piston magnet and therefore cannot support magnetic sensing.
Airtac B01-SDA Dedicated Cylinder B01-SDA40X20B Technical Specifications
| Model | Airtac B01-SDA Dedicated Cylinder B01-SDA40X20B |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø40 mm |
| Stroke | 20 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).
Theoretical Output Force (Ø40mm)
| 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.
Model Code: Airtac B01-SDA Dedicated Cylinder B01-SDA40X20B
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 40 | 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-SDA40X20B Is Used
CNC Fixture Clamping
Secures aluminum workpieces in a CNC machining center, utilizing the 628.3 N extend force to hold parts firmly against a locator during milling operations.
Carton Flap Folding
Deploys the 20 mm stroke to rapidly fold corrugated cardboard flaps on a packaging line, where the short riveted body minimizes interference with moving conveyor belts.
Component Ejection
Pushes molded plastic parts out of an injection mold tool, using the male M14x1.5 rod end to thread on a custom ejector plate without side load.
Is the Airtac B01-SDA Dedicated Cylinder B01-SDA40X20B the Right Cylinder?
When sizing this actuator, evaluate your force requirements carefully. Stepping down to the SDA32 bore provides 402.1 N of push force at 0.5 MPa, while stepping up to the SDA50 bore increases that output to 981.7 N at 0.5 MPa. For this 40 mm bore, the safe working load is approximately 377 N (about 60% of the 628.3 N figure at 0.5 MPa), translating to a vertical lift capacity of roughly 32 kg with a 2:1 safety margin. Be aware that a standard compact cylinder does not hold its load if air pressure drops or the valve is centered; the piston will drift, and the fixed bumper only decelerates it near the stroke end rather than locking it. For suspended loads, add an external rod lock or a pilot-operated check valve. Confirm your ordering essentials: 40 mm bore, 20 mm stroke, PT1/8 port, no magnet, and the male M14x1.5 rod thread.
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-SDA40X20B FAQ
This double-acting cylinder generates a push force of 628.3 N and a pull force of 527.8 N at 0.5 MPa. At 0.7 MPa, the push force is 879.6 N. The theoretical maximum push force is 128 kgf at 1.0 MPa. It operates at pressures from 0.15 to 1.0 MPa, with a proof pressure of 1.5 MPa, and functions in temperatures ranging from -20 to +70 C.
The B01- prefix indicates this is an application-dedicated (customer-specified) variant of the SDA40X20B, sharing the exact same physical specifications as the base model. It does not have an adjustable air cushion; instead, it relies on a fixed NBR bumper at each end to absorb the impact at stroke completion. For high-speed or high-energy cycles, you should slow the approach speed or install an external shock absorber.
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