This model is discontinued
AirTAC has phased out the ACP series. You can still order this code here: we ship the current replacement ACE100X125S, the same code under the new prefix. 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 ACP100X125S
The AirTAC ACP Compact Cylinder ACP100X125S is a double acting DIN-standard tight/compact air cylinder with a Ø100mm bore and 125mm stroke, 1/4" air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACE100X125S (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ100 mm
- Stroke125 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → ACE100X125S
- 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 ACP Compact Cylinder ACP100X125S
The ACP100X125S is a double acting compact cylinder in the DIN-standard ACP series, with a 100 mm bore and 125 mm stroke driving a 25 mm hard-chrome S45C rod through a 1/4" port. At 0.5 MPa it pushes 3927 N and pulls 3681.6 N, rising to 5497.8 N push at 0.7 MPa, with a theoretical ceiling of 800.9 kgf at 1.0 MPa. The S in the code means the optional -S magnet is fitted, so CMSE or DMSE reed and solid-state switches can be clamped straight onto the hard-anodized aluminium body for end-of-stroke sensing.
The short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, which is why this force class fits into press fixtures, gantry clamps and machine guards where a full-length body will not. Note this model is discontinued: the current-production direct is the ACE100X125, so confirm the ISO 21287 mounting dimensions before swapping.
Airtac ACP Compact Cylinder ACP100X125S Technical Specifications
| Model | Airtac ACP Compact Cylinder ACP100X125S |
|---|---|
| Series | ACP DIN compact cylinder (discontinued) |
| Replacement | ACE100X125S |
| Bore size | Ø100 mm |
| Stroke | 125 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M16×1.5 |
| 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 300 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ACE100X125S (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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | 5154 N |
| Max (@1.0 MPa) | 801 kgf | |
The ACE100X125S 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 ACP100X125S
| ACP | DIN compact cylinder (double-acting, discontinued). |
|---|---|
| 100 | 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 (double rod, adjustable stroke).
Where the Airtac ACP Compact Cylinder ACP100X125S Is Used
Clamping heavy weld fixtures
With 3927 N push at 0.5 MPa, the 100 mm bore holds steel assemblies down on automotive welding tables, and the 125 mm stroke clears loading room for the operator.
Pressing bushings into housings
About 240 kg of vertical force equivalent makes light press work - bushings, bearings and dowels - practical on assembly benches, with CMSE switches confirming bottom of stroke.
Gate and chute diverting
The short body slots into palletizing lines and conveyor diverters where a full-length body will not reach, swinging heavy gates at 30-500 mm/s.
Replacing the Airtac ACP Compact Cylinder ACP100X125S with the ACE100X125S
At this bore size the step either way is large: a 80 mm bore gives 2513.3 N push at 0.5 MPa, while stepping up is not usually needed since the 100 mm bore already delivers 3927 N. If the load must stay put when air is lost, add a rod lock or pilot check valve - a plain cylinder of this type drifts, and the fixed TPU bumpers at each end only decelerate the piston. FA/FB flange, LB foot and CA/CB clevis mountings bolt to the same face, and the -S magnet on this unit accepts CMSE / DMSE switches. Order the ACE100X125 as the current replacement and verify ISO 21287 mounting dimensions.
Replacement checklist
- ✓ Current-production ACE → ACE100X125S
- ✓ 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 ACP100X125S FAQ
At 0.5 MPa it pushes 3927 N and pulls 3681.6 N; at 0.7 MPa, 5497.8 N push and 5154.2 N pull; theoretical maximum 800.9 kgf at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof pressure, air filtered to 40 um, -20 to +70 C, speed 30-500 mm/s, 1/4" port, female M16x1.5 rod thread and a 25 mm rod.
Order the ACE100X125: swap the P for an E and you get the current-production ISO 21287 compact cylinder in the same 100 mm bore, 125 mm stroke and force class. The ACP is DIN-standard, so confirm the ISO 21287 mounting dimensions and your FA/FB, LB or CA/CB bracket fit before swapping. The -S magnet on this unit carries over as an option for CMSE / DMSE switches.
Related AirTAC ACE Cylinders
Request a Quote for the ACE100X125S
Send us the quantity and destination. We confirm price, stock and lead time on the ACE100X125S replacement — usually within 7-8 hours.