This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACED40X275 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACED40X275 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 ACPD Double Rod Compact Cylinder ACPD40X275 is a double acting, double rod DIN-standard tight/compact air cylinder with a Ø40mm bore and 275mm stroke, 1/8" air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACED40X275 (ISO 21287 ACE), in the same bore, stroke and force class.
A double acting compact cylinder with a piston rod leaving both covers, the ACPD40X275 pushes and pulls with identical force because each stroke works on the rod-side area: 571.8 N at 0.5 MPa and 800.5 N at 0.7 MPa in either direction. The 40 mm bore runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, and the 275 mm stroke is a made-to-order length above the 200 mm standard maximum for this bore. This model is discontinued; the current-production drop-in is the ISO 21287 ACED40X275.
The through-rod resists rotation and side load and gives a symmetric mount, while the rear rod can carry a sensor flag or a second tooling plate. The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into deep guards and long-stroke gantries where a full-length body will not fit. At 0.5 MPa, plan on roughly 343 N of usable work, which lifts about 29 kg vertically with a 2:1 margin. FA/FB flange and LB foot brackets bolt straight to the standard face, and the optional -S magnet enables CMSE / DMSE switches. A fixed TPU bumper sits at both ends.
| Model | Airtac ACPD Double Rod Compact Cylinder ACPD40X275 |
|---|---|
| Series | ACPD DIN compact cylinder (discontinued) |
| Replacement | ACED40X275 |
| Bore size | Ø40 mm |
| Stroke | 275 mm |
| Acting type | Double acting, double rod |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 200 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ACED40X275 (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 | Force (both ways) |
|---|---|
| 0.5 MPa | 572 N |
| 0.7 MPa | 800 N |
| Max (@1.0 MPa) | 117 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
| ACPD | DIN compact cylinder (double-rod, discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×275 | 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 rear rod drives a return flag on a packaging line pusher, so one air line pair cycles 571.8 N of side thrust both ways at up to 500 mm/s without a return spring.
A 275 mm through-rod carries gripper plates on both ends of a PCB handling gantry, and the symmetric rod mount keeps the tooling plate square over the long travel.
On a bottling line divert gate, the -S magnet option lets CMSE switches report gate-open and gate-closed from the same cylinder body.
For a 275 mm stroke you are already past the 200 mm standard limit of the 40 mm bore, so order this as a made-to-order length. If your load needs less than 206.2 N at 0.5 MPa, the 25 mm bore saves space; if you need more than 571.8 N, step up to the 50 mm bore at 881.2 N. Remember the piston drifts when air is lost - add a rod lock or pilot check if the load must be held. Match FA/FB flange or LB foot mounting to your fixture, add the -S code only if you need CMSE / DMSE switch positions, and confirm the ACED40X275 ISO 21287 dimensions before swapping from this discontinued model.
Replacement checklist
Yes - because a rod exits both covers, both strokes use the rod-side area. Output is 571.8 N at 0.5 MPa and 800.5 N at 0.7 MPa in each direction, with a maximum of 116.6 kgf at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-500 mm/s, port 1/8".
Bore 40 tops out at 200 mm of standard stroke, so 275 mm is a made-to-order build with a longer lead time. Also note this ACPD is discontinued: the ACED40X275 is the current ISO 21287 replacement in the same bore, stroke and force class, so confirm its mounting dimensions against your fixture before you swap.
Send us the quantity and destination. We confirm price, stock and lead time on the ACED40X275 replacement — usually within 7-8 hours.