This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACED40X25SB — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACED40X25SB 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.
Airtac ACPD Double Rod Compact Cylinder ACPD40X25SB
The AirTAC Airtac ACPD Double Rod Compact Cylinder ACPD40X25SB is a double acting, double rod DIN-standard tight/compact air cylinder with a Ø40mm bore and 25mm stroke, 1/8" air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACED40X25SB (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ40 mm
- Stroke25 mm
- Port size1/8"
- Acting typeDouble acting, double rod
- Rod threadM8×1.25
- StatusDiscontinued → ACED40X25SB
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ACPD Double Rod Compact Cylinder ACPD40X25SB
A double acting compact cylinder with a rod leaving both covers, the ACPD40X25SB 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 12 mm through-rod resists rotation and side load, and the rear rod end is free to carry a sensor flag or a second tooling plate. This model carries the optional -S magnet, so CMSE or DMSE reed and solid-state switches can be clipped on for end-position sensing.
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. At 0.5 MPa the usable working force is about 343 N, and with a 2:1 vertical margin it lifts roughly 29 kg. Note this model is discontinued: the current-production drop-in is the ACED40X25, so confirm ISO 21287 mounting dimensions before swapping. A fixed TPU bumper sits at each end, and speed runs 30-500 mm/s.
Airtac ACPD Double Rod Compact Cylinder ACPD40X25SB Technical Specifications
| Model | Airtac ACPD Double Rod Compact Cylinder ACPD40X25SB |
|---|---|
| Series | ACPD DIN compact cylinder (discontinued) |
| Replacement | ACED40X25SB |
| Bore size | Ø40 mm |
| Stroke | 25 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 ACED40X25SB (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.
Theoretical Output Force (Ø40mm)
| 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).
Model Code: Airtac ACPD Double Rod Compact Cylinder ACPD40X25SB
| ACPD | DIN compact cylinder (double-rod, discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×25 | 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).
Where the Airtac ACPD Double Rod Compact Cylinder ACPD40X25SB Is Used
Symmetric clamp fixture
The equal 571.8 N force in both directions lets one cylinder clamp a machined aluminium housing from either side of a CNC jig with identical grip.
Position-flagged transfer slide
With the -S magnet fitted, CMSE or DMSE switches on both covers confirm extend and retract on a 25 mm shuttle stroke inside a packaging guard.
Two-sided ejector on an assembly line
The rear rod pushes a scrap chute gate while the front rod ejects the part, so one 40 mm cylinder does two jobs in a 343 N working envelope.
Replacing the Airtac ACPD Double Rod Compact Cylinder ACPD40X25SB with the ACED40X25SB
Choose this bore when your job needs 571.8 N at 0.5 MPa in both directions; step down to the 32 mm bore (345.6 N) for lighter clamps or up to the 50 mm bore (881.2 N) for heavier presses. The 25 mm stroke is well inside the 200 mm maximum standard stroke for this bore. Because the piston drifts when air is lost, add a rod lock or pilot check if the load must be held. FA/FB flange, LB foot and clevis-style mounts bolt to the ISO 21287 face, and the male rod thread (B code) suits I/Y knuckles. Order the ACED40X25 instead - this ACPD version is discontinued.
Replacement checklist
- ✓ Current-production ACE → ACED40X25SB
- ✓ Same bore / stroke / force class
- ✓ Confirm ISO 21287 mounting dimensions
- ✓ Port/thread type (PT / G)
- ✓ Add -S for magnet if you need sensors
Airtac ACPD Double Rod Compact Cylinder ACPD40X25SB FAQ
Output is equal both ways because both strokes use the rod-side area: 571.8 N at 0.5 MPa, 800.5 N at 0.7 MPa, and a maximum of 116.6 kgf at 1.0 MPa. The 12 mm rod exits both covers, giving a rotation-resistant through-rod and a symmetric mount; the rear rod can carry a sensor flag. Air supply is 0.15-1.0 MPa (22-145 psi), speed 30-500 mm/s, port 1/8" PT, male rod thread, fixed TPU bumpers at both ends.
Order the ACED40X25, the current-production ISO 21287 successor made by swapping the P for an E. It matches the same 40 mm bore, 25 mm stroke and force class, but because the ACP is DIN-standard you should confirm the ISO 21287 mounting dimensions before swapping. The -S magnet option for CMSE / DMSE switches carries over on the replacement.
Related AirTAC ACE Cylinders
Request a Quote for the ACED40X25SB
Send us the quantity and destination. We confirm price, stock and lead time on the ACED40X25SB replacement — usually within 7-8 hours.