This model is discontinued
AirTAC has phased out the ACP series. You can still order this code here: we ship the current replacement ACED20X15S, 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.

The AirTAC ACPD Double Rod Compact Cylinder ACPD20X15S is a double acting, double rod DIN-standard tight/compact air cylinder with a Ø20mm bore and 15mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACED20X15S (ISO 21287 ACE), in the same bore, stroke and force class.
A double acting, double-rod compact cylinder built to the DIN-standard ACP layout, the ACPD20X15S pushes a 20 mm bore over a 15 mm stroke and delivers 117.8 N in BOTH directions at 0.5 MPa (164.9 N at 0.7 MPa), because the rod-side area works on each stroke. A 10 mm rod exits both covers, so the back-end rod can carry a sensor flag while the front rod does the work. This model carries the optional -S magnet, so CMSE or DMSE reed and solid-state switches can be clipped on for end-of-stroke signalling.
The short ISO 21287-class body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it slots into tight pick-and-place heads and small fixtures. Note the fixed TPU bumper at each end only softens the stroke ends; it never holds a load. This model is discontinued - the current-production direct is the ACED20X15 (swap the P for an E), so confirm ISO 21287 mounting dimensions before ordering.
| Model | Airtac ACPD Double Rod Compact Cylinder ACPD20X15S |
|---|---|
| Series | ACPD DIN compact cylinder (discontinued) |
| Replacement | ACED20X15S |
| Bore size | Ø20 mm |
| Stroke | 15 mm |
| Acting type | Double acting, double rod |
| 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 ACED20X15S (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 | 118 N |
| 0.7 MPa | 165 N |
| Max (@1.0 MPa) | 24 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). |
|---|---|
| 20 | Bore size in mm. |
| ×15 | 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).
The 15 mm stroke and 117.8 N per side are enough to kick machined brass fittings off a locating pin at the end of a drilling cycle, with the -S magnet confirming full retract each cycle.
Because a rod exits both covers, one ACPD20X15S can press a bearing into a housing while the rear rod trips a position flag or drives a second small tool on the same stroke.
Mounted under a narrow conveyor guard where a full-length profile cylinder will not fit, the short body indexes 15 mm stops while CMSE or DMSE switches report end positions.
At 117.8 N per side at 0.5 MPa, the 20 mm bore suits light clamping and part transfer; step down to the 16 mm bore (75.4 N) for smaller loads or up to the 25 mm bore (206.2 N) when you need roughly 75% more force. The through-rod resists rotation and gives a symmetric mount, and FA/FB flange or LB foot brackets bolt to the standard face. If the load must stay put when air is lost, add a rod lock or pilot check - this cylinder drifts. Order the ACED20X15 as your current-production replacement and verify the ISO 21287 footprint.
Replacement checklist
Yes - the double-rod design means both strokes use the rod-side area, so force is equal either way: 117.8 N at 0.5 MPa and 164.9 N at 0.7 MPa, with a maximum of 24.0 kgf at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, and the M5x0.8 port is fixed by the 20 mm bore.
Order the ACED20X15, the current-production ISO 21287 replacement (swap the P for an E). It matches the same 20 mm bore, 15 mm stroke and force class with a short compact body, but confirm the ISO 21287 mounting dimensions against your fixture before swapping, since the ACP was built to a DIN-standard layout. The -S magnet code carries over for CMSE / DMSE switch use.
Send us the quantity and destination. We confirm price, stock and lead time on the ACED20X15S replacement — usually within 7-8 hours.