Airtac B01-ACQ Dedicated Pneumatic Cylinder B01-ACQ25X20
The AirTAC Airtac B01-ACQ Dedicated Pneumatic Cylinder B01-ACQ25X20 is a genuine double-acting COMPACT (thin) air cylinder built to JIS dimensions, with a Ø25mm bore and 20mm stroke, M5×0.8 air ports and a C-clip / riveted short body that saves mounting depth. Magnetic-switch slots around the body accept position sensors.
- BoreØ25 mm
- Stroke20 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM6×1.0 (F) / M10×1.25 (B)
- ConfigurationStandard compact
About the Airtac B01-ACQ Dedicated Pneumatic Cylinder B01-ACQ25X20
The B01-ACQ25X20 is an AirTAC application-dedicated (customer-specified) variant of the standard ACQ25X20, sharing identical mechanical specifications. It is a double-acting, single-rod JIS compact cylinder that provides 245.4 N of push force and 188.9 N of pull force at 0.5 MPa. The C-clip and riveted piston-to-rod assembly yield a very short body, conserving axial mounting space where a conventional round-body actuator would not fit.
This 25 mm bore unit travels a 20 mm stroke and relies on a fixed TPU elastomer bumper at each end to absorb end-stop impact rather than an adjustable air cushion. The 12 mm piston rod features a default female M6x1.0 thread for load coupling. While the body includes magnetic-switch grooves, this specific SKU ships without a magnet, so position sensing is not enabled out of the box.
Airtac B01-ACQ Dedicated Pneumatic Cylinder B01-ACQ25X20 Technical Specifications
| Model | Airtac B01-ACQ Dedicated Pneumatic Cylinder B01-ACQ25X20 |
|---|---|
| Series | ACQ JIS compact (thin) cylinder |
| Bore size | Ø25 mm |
| Stroke | 20 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod end thread | M6×1.0 female / M10×1.25 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 | Bumper (both ends) |
| Max standard stroke | Up to 100 mm |
Specifications follow the official AirTAC ACQ JIS compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard); G and NPT available. Rod: female thread (blank) / male thread (B).
Theoretical Output Force (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 189 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-ACQ Dedicated Pneumatic Cylinder B01-ACQ25X20
| ACQ | JIS 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 (G / NPT available). Related ACQ-family variants: ASQ (single-acting push), ATQ (single-acting pull), ACQD (double rod), ACQJ (adjustable stroke), TACQ (guided / non-rotating).
Where the Airtac B01-ACQ Dedicated Pneumatic Cylinder B01-ACQ25X20 Is Used
PCB Depaneling Router
Provides the 245.4 N push at 0.5 MPa needed to clamp populated circuit boards securely during router-based depaneling, utilizing the short 20 mm stroke to minimize machine footprint.
Carton Flap Folding
Actuates folding mechanisms on packaging lines to tuck minor flaps before tape sealing, where the fixed TPU bumper adequately handles the low-impact end stops at standard cycling speeds.
Sheet Metal Press Brake
Positions back-gauge fingers on a press brake for light-gauge sheet metal forming, relying on the 12 mm rod and female M6x1.0 thread to attach alignment tooling without lateral load.
Is the Airtac B01-ACQ Dedicated Pneumatic Cylinder B01-ACQ25X20 the Right Cylinder?
When sizing this actuator, stepping down to a 20 mm bore yields 157.1 N push at 0.5 MPa, whereas stepping up to a 32 mm bore provides 402.1 N push at 0.5 MPa. Be aware that a plain compact cylinder like this does not hold its position if air pressure drops or the valve is centered; the rod will drift, and the fixed bumper only decelerates it near the stroke end. For a fail-safe hold, an external rod lock or pilot-operated check valve is required.
To order, confirm the 25 mm bore, 20 mm stroke, M5x0.8 port, and the default female rod-end thread (M6x1.0). If your machine requires position feedback, you would need the -S magnet option to utilize reed or electronic switches in the body grooves.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short-body depth vs. a round-body cylinder
- ✓ Port/thread type (PT / G / NPT)
- ✓ 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 Handle the C-clip carefully; seat it fully in its groove.
- check Installation by qualified personnel per AirTAC docs.
Airtac B01-ACQ Dedicated Pneumatic Cylinder B01-ACQ25X20 FAQ
This 25 mm bore cylinder generates 245.4 N push and 188.9 N pull at 0.5 MPa, 343.6 N push at 0.7 MPa, and a maximum push of 50 kgf at 1.0 MPa. The operating pressure range is 0.15-1.0 MPa, with a speed range of 30-500 mm/s.
The B01- prefix designates an AirTAC application-dedicated (customer-specified) line of the base ACQ25X20, meaning it is mechanically identical to the standard model. This specific SKU does not include a sensor magnet (no -S option), so while the body has grooves for reed or electronic switches, it cannot sense position without modification.
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