This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACED40X275SB — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACED40X275SB 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 ACPD40X275SB
The AirTAC Airtac ACPD Double Rod Compact Cylinder ACPD40X275SB is a double acting, double rod DIN-standard tight/compact air cylinder with a Ø40mm bore and 275mm stroke, 1/8" air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACED40X275SB (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ40 mm
- Stroke275 mm
- Port size1/8"
- Acting typeDouble acting, double rod
- Rod threadM8×1.25
- StatusDiscontinued → ACED40X275SB
- 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 ACPD40X275SB
A double acting compact cylinder with a rod leaving both covers, the ACPD40X275SB 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 275 mm stroke is longer than the 200 mm standard maximum for a 40 mm bore, so this unit is made to order. Its short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, which is why it slots into tight gantries and guarded stations a full-length body cannot reach.
The through-rod resists rotation and side load and gives a symmetric mount, so the rear rod can carry a sensor flag or a second tooling plate while the front rod does the work. Because the S code is in this model, the magnet is fitted and CMSE or DMSE reed and solid-state switches can be clipped on for end-of-stroke signals. A fixed TPU bumper sits at both ends, the hard-anodized aluminium body carries a 1/8" port, and the B code gives a male rod thread. Note that this ACPD is discontinued: the current-production drop-in is the ACED40X275, and buyers should confirm the ISO 21287 mounting dimensions before swapping. As a planning figure, treat about 343 N (roughly 35 kg of thrust) as the usable output at 0.5 MPa rather than the full rating.
Airtac ACPD Double Rod Compact Cylinder ACPD40X275SB Technical Specifications
| Model | Airtac ACPD Double Rod Compact Cylinder ACPD40X275SB |
|---|---|
| Series | ACPD DIN compact cylinder (discontinued) |
| Replacement | ACED40X275SB |
| Bore size | Ø40 mm |
| Stroke | 275 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 ACED40X275SB (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 ACPD40X275SB
| ACPD | DIN compact cylinder (double-rod, discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×275 | 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 ACPD40X275SB Is Used
Bidirectional push-pull transfer
On an electronics assembly line, the through-rod lets one cylinder push a PCB carrier into a test nest on the forward stroke and retract it with the same 571.8 N, halving the actuator count at the station.
Position-signalled clamping
With the fitted -S magnet and CMSE or DMSE switches, a fixture builder can confirm both clamp-open and clamp-closed on a machining jig, using the rear rod as a second signal point.
Guided vertical lift in a tight frame
Inside a compact packaging machine guard, the short body fits where an ISO 15552 profile cylinder would not, lifting about 29 kg of product tray with a 2:1 margin at 0.5 MPa.
Replacing the Airtac ACPD Double Rod Compact Cylinder ACPD40X275SB with the ACED40X275SB
Size both ways before committing: the 32 mm bore in this family delivers 345.6 N at 0.5 MPa, while stepping up to 50 mm raises it to 881.2 N, so 40 mm at 571.8 N sits in the middle for medium clamping and transfer duty. Remember that a plain double-rod cylinder drifts when air is lost - if the load must stay put, pair it with a rod lock or pilot check valve. The 275 mm stroke exceeds the 200 mm standard limit for this bore, so order it as a made-to-order build. FA/FB flange or LB foot mounts bolt to the standard face, and the male rod thread (B code) suits I/Y rod knuckles. For new designs, specify the ACED40X275 instead, since this ACPD is discontinued.
Replacement checklist
- ✓ Current-production ACE → ACED40X275SB
- ✓ 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 ACPD40X275SB FAQ
Because it is a double-rod cylinder, output is equal both ways: 571.8 N at 0.5 MPa and 800.5 N at 0.7 MPa on every stroke, since both sides see the rod-side area. At 1.0 MPa the maximum force is 116.6 kgf. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-500 mm/s, and the 275 mm stroke is a made-to-order length above the 200 mm standard maximum for a 40 mm bore.
This model is no longer in production; the current drop-in is the ACED40X275, which swaps the P for an E and matches the same 40 mm bore, 275 mm stroke and force class. Confirm the ISO 21287 mounting dimensions before swapping, since the ACP is DIN-standard. This unit carries the optional -S magnet, so CMSE or DMSE reed and solid-state switches can be mounted for stroke signalling, and it has a male rod thread with a 1/8" port.
Related AirTAC ACE Cylinders
Request a Quote for the ACED40X275SB
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