This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACE20X120 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACE20X120 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.

The AirTAC Airtac ACP Compact Cylinder ACP20X120 is a double acting DIN-standard tight/compact air cylinder with a Ø20mm bore and 120mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACE20X120 (ISO 21287 ACE), in the same bore, stroke and force class.
The ACP20X120 is a double acting compact cylinder in the DIN-standard ACP series, built with a hard-anodized aluminium body, an S45C hard-chrome rod and a fixed TPU bumper at each end. Its 20 mm bore delivers 157.1 N push and 117.8 N pull at 0.5 MPa, rising to 219.9 N push at 0.7 MPa, with a theoretical peak of 32 kgf at 1.0 MPa. The 120 mm stroke is longer than the 100 mm standard maximum for this bore, so it is made to order. Note this model is discontinued; the current-production replacement is the ACE20X120.
The short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, which is why it suits tight jigs and guarded stations. In practice, plan on about 94 N of usable push at 0.5 MPa, which lifts roughly 9 kg vertically - or about 4 kg with a 2:1 margin - so match your part weight accordingly. Mounting options include FA/FB flange, LB foot and CA/CB clevis, and the optional -S magnet code enables CMSE / DMSE switches; without -S there is no magnet.
| Model | Airtac ACP Compact Cylinder ACP20X120 |
|---|---|
| Series | ACP DIN compact cylinder (discontinued) |
| Replacement | ACE20X120 |
| Bore size | Ø20 mm |
| Stroke | 120 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 100 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ACE20X120 (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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 118 N |
| 0.7 MPa | 220 N | 165 N |
| Max (@1.0 MPa) | 32 kgf | |
The ACE20X120 produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
| ACP | DIN compact cylinder (double-acting, discontinued). |
|---|---|
| 20 | Bore size in mm. |
| ×120 | 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).
The short body fits inside dense drilling or welding jigs where a full-length profile cylinder will not, delivering 157.1 N push at 0.5 MPa to hold steel brackets during machining.
With about 9 kg of vertical lift equivalent at 0.5 MPa, the 20 mm bore reliably kicks blister packs or cartons off a conveyor lane at speeds up to 500 mm/s.
The 120 mm made-to-order stroke reaches deep into a test fixture to press probes or samples, with the optional -S magnet feeding CMSE / DMSE end-position signals to the controller.
Size between bores: a 16 mm ACP gives 100.5 N push at 0.5 MPa, while stepping up to 25 mm raises it to 245.4 N - choose 20 mm when 157.1 N at 0.5 MPa fits the job with margin. The 120 mm stroke exceeds the 100 mm standard limit for this bore, so order it as a made-to-order stroke. Remember the piston drifts when air is lost; add a rod lock or pilot check valve if the load must stay put. Specify the -S code if you need CMSE / DMSE sensing, pick FA/FB, LB or CA/CB mounting to match your fixture, and confirm ISO 21287 dimensions on the ACE20X120 before switching from this discontinued model.
Replacement checklist
At 0.5 MPa it pushes 157.1 N and pulls 117.8 N; at 0.7 MPa it pushes 219.9 N and pulls 164.9 N; theoretical maximum is 32 kgf at 1.0 MPa. It is a double acting compact cylinder, 20 mm bore, 120 mm made-to-order stroke (standard max for this bore is 100 mm), 10 mm rod with female M6x1.0 thread, M5x0.8 port, operating pressure 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-500 mm/s, temperature -20 to +70 C, with a fixed TPU bumper at both ends. The model is discontinued; the ACE20X120 is the current replacement.
The hard-anodized aluminium body is an ISO 21287-class short design that saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it drops into tight fixtures. FA/FB flange, LB foot and CA/CB clevis brackets bolt to the standard face. The magnet is optional - order the -S code to enable CMSE / DMSE switches; without -S there is no magnet. Since ACP is discontinued, swap to the ACE20X120 (same bore, stroke and force class) and confirm the ISO 21287 mounting dimensions first.
Send us the quantity and destination. We confirm price, stock and lead time on the ACE20X120 replacement — usually within 7-8 hours.