This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACED50X225SB — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACED50X225SB 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 ACPD50X225SB is a double acting, double rod DIN-standard tight/compact air cylinder with a Ø50mm bore and 225mm stroke, 1/8" air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACED50X225SB (ISO 21287 ACE), in the same bore, stroke and force class.
A double acting compact cylinder with a rod leaving both covers, the ACPD50X225SB pushes and pulls with identical output: 881.2 N at 0.5 MPa and 1233.7 N at 0.7 MPa in either direction, because both strokes work on the rod-side area of the 50 mm bore. The through-rod resists rotation and side load, gives a symmetric mounting point at each end, and the rear rod can carry a sensor flag. A fixed TPU bumper sits at both covers, speed spans 30-500 mm/s, and the -S magnet fitted to this model accepts CMSE / DMSE switches.
The hard-anodized aluminium body follows the short ISO 21287 format, cutting roughly 50% of the mounting length of an ISO 15552 profile cylinder, so a 225 mm stroke fits jigs and gantries where a full-length body will not. For planning, count on about 529 N of real work at 0.5 MPa, which lifts roughly 44 kg vertically with a 2:1 margin. Note that this model is discontinued: the current-production drop-in is the ACED50X225, so confirm the ISO 21287 mounting dimensions before swapping.
| Model | Airtac ACPD Double Rod Compact Cylinder ACPD50X225SB |
|---|---|
| Series | ACPD DIN compact cylinder (discontinued) |
| Replacement | ACED50X225SB |
| Bore size | Ø50 mm |
| Stroke | 225 mm |
| Acting type | Double acting, double rod |
| Port size | 1/8" |
| Rod thread | M10×1.5 |
| 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 250 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ACED50X225SB (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 | 881 N |
| 0.7 MPa | 1234 N |
| Max (@1.0 MPa) | 180 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). |
|---|---|
| 50 | Bore size in mm. |
| ×225 | 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 through-rod drives a pusher arm from either cover at 881.2 N, sorting cartons on a packaging line at up to 500 mm/s without a return-side force penalty.
Equal 1233.7 N output at 0.7 MPa in both directions lets one cylinder clamp and release a machining fixture with identical holding force each cycle.
The rear rod carries a flag past CMSE or DMSE switches (enabled by the fitted -S magnet), giving end-of-travel signals on a 225 mm stroke pick-and-place slide.
At 881.2 N per side, this 50 mm bore suits clamping and reciprocating tasks needing equal force both ways; step down to the 40 mm bore (571.8 N) for lighter work or up to the 63 mm bore (1458.1 N) for heavier duty. The piston drifts if air is lost, so add a rod lock or pilot check where a load must stay put. FA/FB flange, LB foot, CA/CB clevis, CR, SDB pivot and FTC brackets bolt to the ISO 21287 face, and the male rod thread (B code) takes standard rod knuckles. Since ACPD is discontinued, order the ACED50X225 as the drop-in successor.
Replacement checklist
Output is equal both ways because the double rod leaves both covers working on the rod-side area: 881.2 N at 0.5 MPa, 1233.7 N at 0.7 MPa, and up to 179.7 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, with a 16 mm rod and 1/8" ports.
The hard-anodized aluminium body follows the ISO 21287 compact format, saving about 50% of the mounting length of an ISO 15552 profile cylinder, with a fixed TPU bumper at each cover. The ACPD family is discontinued; the ACED50X225 is the current drop-in in the same bore, stroke and force class - confirm the ISO 21287 mounting dimensions before swapping.
Send us the quantity and destination. We confirm price, stock and lead time on the ACED50X225SB replacement — usually within 7-8 hours.