This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACED40X300B — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACED40X300B 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 ACPD40X300B
The AirTAC Airtac ACPD Double Rod Compact Cylinder ACPD40X300B is a double acting, double rod DIN-standard tight/compact air cylinder with a Ø40mm bore and 300mm stroke, 1/8" air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACED40X300B (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ40 mm
- Stroke300 mm
- Port size1/8"
- Acting typeDouble acting, double rod
- Rod threadM8×1.25
- StatusDiscontinued → ACED40X300B
- 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 ACPD40X300B
A double acting, double-rod compact cylinder built to the DIN-standard ACP pattern, the ACPD40X300B pushes a 12 mm hard-chrome rod out of BOTH covers, so the force is identical on the extend and retract strokes. At 0.5 MPa it delivers 571.8 N in either direction (800.5 N at 0.7 MPa), and the 300 mm stroke is a made-to-order length because the standard maximum for the 40 mm bore is 200 mm. The male rod thread (B code) bolts straight to I/Y knuckles and tooling plates.
The short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, which is why it suits deep-stroke but space-starved machines such as long-reach pick arms and sliding guards. The through-rod resists rotation and side load, and the rear rod can carry a sensor flag on machines that need position feedback. Plan on about 343 N of real work at 0.5 MPa, which lifts roughly 29 kg vertically with a 2:1 margin. Note: this model is discontinued - the current-production drop-in is the ACED40X300, so confirm ISO 21287 mounting dimensions before you swap.
Airtac ACPD Double Rod Compact Cylinder ACPD40X300B Technical Specifications
| Model | Airtac ACPD Double Rod Compact Cylinder ACPD40X300B |
|---|---|
| Series | ACPD DIN compact cylinder (discontinued) |
| Replacement | ACED40X300B |
| Bore size | Ø40 mm |
| Stroke | 300 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 ACED40X300B (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 ACPD40X300B
| ACPD | DIN compact cylinder (double-rod, discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×300 | 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 ACPD40X300B Is Used
Reciprocating wash-rack carriage
The through-rod drives a parts carriage in a 300 mm reciprocating wash cycle, and the rear rod carries a flag for a CMSE switch when the -S magnet is ordered. 571.8 N at 0.5 MPa is equal both ways, so return strokes need no derating.
Vertical lift on a packaging line
With about 343 N of usable force at 0.5 MPa, the 40 mm bore lifts roughly 29 kg of filled cartons vertically with a 2:1 margin, and the male rod thread takes a standard I/Y knuckle.
Pusher bar on a conveyor transfer
A rod exiting both covers lets the pusher bar mount from either side of a narrow conveyor frame, and the fixed TPU bumper at each end decelerates the bar at the ends of the 300 mm travel.
Replacing the Airtac ACPD Double Rod Compact Cylinder ACPD40X300B with the ACED40X300B
For a 40 mm bore with equal force both ways, this is the right class: 571.8 N at 0.5 MPa and 800.5 N at 0.7 MPa in each direction, with a 116.6 kgf ceiling at 1.0 MPa. If your load needs less than about 345 N, the 32 mm double-rod version is cheaper; if it needs more than about 880 N, step up to the 50 mm bore. The 300 mm stroke is non-standard for this bore (200 mm max standard), so it is quoted as a made-to-order build. A plain double-rod cylinder drifts when air is lost, so add a rod lock or pilot check for held loads. This unit has no magnet - order the -S code if you want CMSE / DMSE switch capability. Replacement: ACED40X300.
Replacement checklist
- ✓ Current-production ACE → ACED40X300B
- ✓ 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 ACPD40X300B FAQ
Yes - the double-rod design means both strokes use the rod-side area, so force is equal both ways: 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. 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 port is 1/8" (PT).
The standard maximum stroke for the 40 mm bore is 200 mm, so 300 mm is a made-to-order length - lead time and exact outline dimensions should be confirmed from the datasheet. The ACPD family is discontinued; the current-production drop-in is the ACED40X300 in the same bore, stroke and force class, but verify the ISO 21287 mounting dimensions before swapping, since the ACP is DIN-standard.
Related AirTAC ACE Cylinders
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