This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACE25X125S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACE25X125S in place of this model. The ACE replacement is a current-production ISO 21287 compact cylinder in the same bore, stroke and force class, with a matching short body and the same mounting-accessory family, so it fits the same envelope. Confirm mounting-interface dimensions against the ACE datasheet before ordering.
Airtac ACP Compact Cylinder ACP25X125S
The AirTAC Airtac ACP Compact Cylinder ACP25X125S is a double acting DIN-standard tight/compact air cylinder with a Ø25mm bore and 125mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACE25X125S (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ25 mm
- Stroke125 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM6×1.0
- StatusDiscontinued → ACE25X125S
About the Airtac ACP Compact Cylinder ACP25X125S
The ACP25X125S is a double acting compact cylinder in the DIN-standard ACP series, now discontinued. This 25 mm bore, 125 mm stroke unit carries the optional -S magnet, so CMSE or DMSE reed and solid-state switches can be fitted for end-of-stroke sensing. At 0.5 MPa it pushes 245.4 N and pulls 206.2 N; at 0.7 MPa those rise to 343.6 N and 288.6 N, with a theoretical maximum of 50.1 kgf at 1.0 MPa.
Its short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, which is why it fits tight jigs and guarding where a full-length body cannot. For sizing, treat about 0.6 of the push force as usable work at 0.5 MPa - roughly 147 N - which corresponds to lifting about 12 kg vertically, or about 6 kg with a 2:1 margin. The hard-anodized aluminium body and S45C hard-chrome rod run on 0.15-1.0 MPa (22-145 psi) at 30-500 mm/s, with fixed TPU bumpers at both ends. Replacement is the current-production ACE25X125; confirm ISO 21287 mounting dimensions before swapping, since the ACP was built to a DIN standard.
Airtac ACP Compact Cylinder ACP25X125S Technical Specifications
| Model | Airtac ACP Compact Cylinder ACP25X125S |
|---|---|
| Series | ACP DIN compact cylinder (discontinued) |
| Replacement | ACE25X125S |
| Bore size | Ø25 mm |
| Stroke | 125 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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 bumper (both ends) |
| Max standard stroke | Up to 150 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ACE25X125S (ISO 21287) carries the same bore/stroke/force class; confirm mounting-interface dimensions against the ACE datasheet before installation. Rod type: female thread (blank) or male thread (B). Thread options: PT (blank) / G.
Theoretical Output Force (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 kgf | |
The ACE25X125S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac ACP Compact Cylinder ACP25X125S
| ACP | DIN compact cylinder (double-acting, discontinued). |
|---|---|
| 25 | Bore size in mm. |
| ×125 | Stroke length in mm. |
| S | Optional built-in magnet for sensor position sensing (omit for no magnet). |
| B | Rod type: B = male thread; blank = female thread. |
Replacement mapping (swap P for E): ACP→ACE, ASP→ASE, ATP→ATE, ACPD→ACED, ACPJ→ACEJ. ACP-family: ACP (double acting), ASP / ATP (single acting push / pull), ACPD (double rod), ACPJ (adjustable stroke).
Where the Airtac ACP Compact Cylinder ACP25X125S Is Used
Fixture clamping on CNC pallets
With 245.4 N push at 0.5 MPa, the 25 mm bore clamps aluminium or small steel workpieces in machining fixtures; the 125 mm stroke clears part loading and unloading.
Position-verified ejector on assembly lines
Because this unit carries the -S magnet, CMSE or DMSE switches confirm extend and retract on a small-parts ejection station, cutting cycle faults on electronics assembly lines.
Vertical lift in a compact gantry
The short body saves about 50% of the length of an ISO 15552 profile cylinder, so it lifts roughly 12 kg parts inside a low-profile pick-and-place gantry where a longer body will not fit.
Replacing the Airtac ACP Compact Cylinder ACP25X125S with the ACE25X125S
At 245.4 N push at 0.5 MPa, the 25 mm bore suits clamping and positioning loads in the 10-15 kg class; step down to a 20 mm bore (157.1 N) for lighter fixtures or up to a 32 mm bore (402.1 N) when the load grows. Note that a plain cylinder drifts when air is lost - add a rod lock or pilot check valve if the load must stay put. The female M6x1.0 rod thread takes standard I/Y knuckles, and FA/FB flange, LB foot or CA/CB clevis mounts bolt to the same face. This model already includes the -S magnet for CMSE/DMSE switches. Order the ACE25X125 as the current drop-in and verify ISO 21287 mounting dimensions.
Replacement checklist
- ✓ Current-production ACE → ACE25X125S
- ✓ Same bore / stroke / force class
- ✓ Confirm ISO 21287 mounting dimensions
- ✓ Port/thread type (PT / G)
- ✓ Add -S for magnet if you need sensors
Airtac ACP Compact Cylinder ACP25X125S FAQ
At 0.5 MPa it pushes 245.4 N and pulls 206.2 N; at 0.7 MPa, 343.6 N push and 288.6 N pull; theoretical maximum 50.1 kgf at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi), speed 30-500 mm/s, port M5x0.8, rod 10 mm with female M6x1.0 thread. The ACP family is discontinued; the current-production replacement is the ACE25X125 in the same bore, stroke and force class - confirm ISO 21287 mounting dimensions before swapping.
The short ISO 21287-class body needs about half the mounting length of an ISO 15552 profile cylinder, so it fits shallow jigs, guards and slides. The -S code on this model means the magnet is fitted, so CMSE or DMSE reed or solid-state switches mount directly on the body for stroke sensing. The ends carry fixed TPU bumpers only; they do not hold a load, so add a rod lock or check valve where position must be retained.
Related AirTAC ACE Cylinders
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