This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACEJ12X80-40S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACEJ12X80-40S 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 ACPJ Adjustable Compact Cylinder ACPJ12X80-40S
The AirTAC Airtac ACPJ Adjustable Compact Cylinder ACPJ12X80-40S is a double acting, adjustable stroke DIN-standard tight/compact air cylinder with a Ø12mm bore and 80mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ12X80-40S (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ12 mm
- Stroke80 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM3×0.5
- StatusDiscontinued → ACEJ12X80-40S
About the Airtac ACPJ Adjustable Compact Cylinder ACPJ12X80-40S
This compact cylinder works double acting: air both extends and retracts the 6 mm rod. The -40 code adds a 40 mm adjustment window, so a stop screw trims the extend stroke anywhere in a 40-80 mm range on site. At 0.5 MPa the bore 12 body pushes 56.5 N and pulls 42.4 N, enough for light clamping and small-part ejection. Note that the 80 mm stroke is longer than the 50 mm maximum standard stroke for bore 12, so this unit is a made-to-order build.
The short ISO 21287-class body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which matters in slim fixtures and guarded cells. The magnet is the optional -S code and this model carries it, so CMSE or DMSE reed and solid-state switches can be fitted for end-of-stroke sensing. Plan on roughly 34 N of real work at 0.5 MPa (about 60% of the rated push), which lifts about 2.9 kg vertically with a 2:1 margin. This model is discontinued; the current drop-in is ACEJ12X80, and buyers should confirm ISO 21287 mounting dimensions before swapping.
Airtac ACPJ Adjustable Compact Cylinder ACPJ12X80-40S Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ12X80-40S |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ12X80-40S |
| Bore size | Ø12 mm |
| Stroke | 80 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | M5×0.8 |
| Rod thread | M3×0.5 |
| 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 50 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ACEJ12X80-40S (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 (Ø12mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 57 N | 42 N |
| 0.7 MPa | 79 N | 59 N |
| Max (@1.0 MPa) | 12 kgf | |
The ACEJ12X80-40S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac ACPJ Adjustable Compact Cylinder ACPJ12X80-40S
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 12 | Bore size in mm. |
| ×80 | Stroke length in mm. |
| -40 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| 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 ACPJ Adjustable Compact Cylinder ACPJ12X80-40S Is Used
Adjustable ejector on a small assembly station
The 40-80 mm trimmed extend stroke lets one cylinder eject parts of different heights from a nest without re-plumbing, with 56.5 N of push at 0.5 MPa for light plastic components.
Position-verified slide in a compact test rig
The fitted -S magnet and CMSE / DMSE switches confirm extend and retract inside a short body that saves about 50% of the length of an ISO 15552 profile cylinder.
Light hold-down on a PCB test pallet
About 34 N of usable force at 0.5 MPa (roughly 2.9 kg vertical with margin) is enough to clamp thin boards against a fixture, with the fixed TPU bumper softening both ends.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ12X80-40S with the ACEJ12X80-40S
Size both ways: if 56.5 N push at 0.5 MPa is marginal, step up to bore 16 for 100.5 N; if the load is a few grams, bore 12 is already the smallest in the family. The 40 mm window suits a fixture where product sizes vary and the extend stroke is trimmed rather than changed. The stop screw is a mechanical end stop only - it does not lock the piston mid-stroke, and on air loss the rod can drift, so add a separate clamp for load holding. FA/FB flange and LB foot mountings bolt to the standard face, and the fitted -S magnet accepts CMSE / DMSE switches. This model is discontinued; order ACEJ12X80 as the current replacement and verify ISO 21287 mounting dimensions first.
Replacement checklist
- ✓ Current-production ACE → ACEJ12X80-40S
- ✓ Same bore / stroke / force class
- ✓ Confirm ISO 21287 mounting dimensions
- ✓ Port/thread type (PT / G)
- ✓ Add -S for magnet if you need sensors
Airtac ACPJ Adjustable Compact Cylinder ACPJ12X80-40S FAQ
At 0.5 MPa it pushes 56.5 N and pulls 42.4 N; at 0.7 MPa push is 79.2 N and pull is 59.4 N, with a theoretical maximum of 11.5 kgf at 1.0 MPa. The -40 code is a 40 mm adjustment window: a stop screw shortens the 80 mm extend stroke to any value from 40 to 80 mm. It is a mechanical end stop, not a mid-stroke lock. The 80 mm stroke is non-standard for bore 12 (max standard 50 mm), so it is made to order.
This unit carries the optional -S magnet, so CMSE or DMSE reed and solid-state switches mount directly on the body for end-of-stroke signalling. The ACPJ family is discontinued; the current-production drop-in is ACEJ12X80 in the same bore, stroke and force class. Because the ACP is DIN-standard, confirm the ISO 21287 mounting dimensions of the ACEJ before swapping, and check the M5x0.8 port and FA/FB or LB mounting match.
Related AirTAC ACE Cylinders
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