This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ATE40X15B — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ATE40X15B 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 ATP Single Acting Port Compact Cylinder ATP40X15B is a single acting, pull (spring return) DIN-standard tight/compact air cylinder with a Ø40mm bore and 15mm stroke, 1/8" air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ATE40X15B (ISO 21287 ACE), in the same bore, stroke and force class.
A single acting pull cylinder with spring return, the ATP40X15B keeps the rod extended by spring and retracts it with compressed air. This 40 mm bore unit delivers a 500.3 N pull at 0.5 MPa (729 N at 0.7 MPa), both figures already net of the return spring, and needs only 0.2 MPa to overcome the spring. Note that the ATP family is discontinued; the current-production replacement is the ATE40X15, which swaps the P for an E in the same bore, stroke and force class.
The short ISO 21287 body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight fixtures and guarding. The rod end is male thread (the B code) on a 12 mm S45C hard-chrome rod, and the 1/8" port is fixed by the bore. In practice, plan on about 300 N of usable pull at 0.5 MPa, which lifts roughly 25 kg vertically with a 2:1 margin. A fixed TPU bumper sits at both ends, and the optional -S magnet enables CMSE / DMSE switches.
| Model | Airtac ATP Single Acting Port Compact Cylinder ATP40X15B |
|---|---|
| Series | ATP DIN compact cylinder (discontinued) |
| Replacement | ATE40X15B |
| Bore size | Ø40 mm |
| Stroke | 15 mm |
| Acting type | Single acting, pull (spring return) |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 500 mm/s |
| Cushion | Fixed bumper (both ends) |
| Max standard stroke | Up to 25 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ATE40X15B (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 | Pull force (spring return) |
|---|---|
| 0.5 MPa | 500.3 N |
| 0.7 MPa | 729.0 N |
Single-acting pull: the spring extends the rod; air retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa.
| ATP | DIN compact cylinder (single-acting pull, spring-return, discontinued). |
|---|---|
| 40 | 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 (adjustable stroke).
The spring keeps the clamp pad on a steel bracket until air pulls the rod back to release the part for unloading.
With a 15 mm stroke and about 300 N of usable pull, the rod stays out to block cartons and retracts only when the PLC applies 0.2 MPa or more.
On air loss the spring re-extends the rod to its home position; add the -S magnet with a CMSE switch to confirm the retracted state.
At 15 mm stroke and 500.3 N pull at 0.5 MPa, this bore covers light clamping and return tasks; step down to the 32 mm bore (296 N) for tighter loads or up to the 50 mm bore (775 N) when the pull must grow. Remember the spring returns the rod to its extended home on air loss and will not hold a mid-stroke position. Match FA/FB flange, LB foot or CA/CB clevis mounts, and order the -S code only if CMSE / DMSE sensing is needed. Before ordering, confirm the ATE40X15 replacement and its ISO 21287 mounting dimensions.
Replacement checklist
At 0.5 MPa the net pull is 500.3 N, rising to 729 N at 0.7 MPa; both figures are already net of the return spring. Operating range is 0.2-1.0 MPa (28-145 psi) with a 1.5 MPa (215 psi) proof pressure, and the minimum 0.2 MPa is what it takes to beat the spring. Speed runs 50-500 mm/s, temperature -20 to +70 C, and air must be filtered to 40 um.
The ATP family is discontinued, so the ATE40X15 is the current-production drop-in: same 40 mm bore, 15 mm stroke and single-acting pull force class on the same short ISO 21287 body. Confirm the ISO 21287 mounting dimensions against your fixture before swapping, and remember the -S magnet option for CMSE / DMSE switches carries over as an order code, not a standard fit.
Send us the quantity and destination. We confirm price, stock and lead time on the ATE40X15B replacement — usually within 7-8 hours.