This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACEJ12X20-10S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACEJ12X20-10S 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 ACPJ12X20-10S
The AirTAC Airtac ACPJ Adjustable Compact Cylinder ACPJ12X20-10S is a double acting, adjustable stroke DIN-standard tight/compact air cylinder with a Ø12mm bore and 20mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ12X20-10S (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ12 mm
- Stroke20 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM3×0.5
- StatusDiscontinued → ACEJ12X20-10S
About the Airtac ACPJ Adjustable Compact Cylinder ACPJ12X20-10S
This compact cylinder is double acting, so air both extends and retracts the 6 mm rod. The -10 code gives a 10 mm adjustment window: a stop screw trims the 20 mm extend stroke down on site, giving a usable range of 10-20 mm. At 0.5 MPa it pushes 56.5 N and pulls 42.4 N, rising to 79.2 N at 0.7 MPa. The short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight jigs and guarding where a full-length body will not fit.
Note this model is discontinued; the current-production replacement is ACEJ12X20, which matches the same bore, stroke and force class - confirm the ISO 21287 mounting dimensions before swapping, since the ACP was built to a DIN standard. The bore 12 body carries M5x0.8 ports, a female M3x0.5 rod thread, a fixed TPU bumper at each end and a hard-anodized aluminium body with an S45C hard-chrome rod. Because the -S magnet is fitted, CMSE or DMSE reed and solid-state switches can be mounted directly. For sizing, plan on about 34 N of real work at 0.5 MPa (roughly 60% of the rated push), which lifts about 2.9 kg vertically with a 2:1 margin.
Airtac ACPJ Adjustable Compact Cylinder ACPJ12X20-10S Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ12X20-10S |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ12X20-10S |
| Bore size | Ø12 mm |
| Stroke | 20 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 ACEJ12X20-10S (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 ACEJ12X20-10S 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 ACPJ12X20-10S
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 12 | Bore size in mm. |
| ×20 | Stroke length in mm. |
| -10 | 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 ACPJ12X20-10S Is Used
Reject gate on a packaging line
The 10-20 mm trimmed stroke flicks small cartons off a conveyor, and the fitted magnet with a DMSE switch confirms the gate reached the end position each cycle.
Sample pusher in a lab analyzer
About 34 N of usable force at 0.5 MPa slides cuvettes or microplates a short, repeatable distance inside a compact instrument housing.
Light clamp in an electronics fixture
The 2.9 kg vertical-lift equivalent holds PCBs or connector blocks during a solder or test step, with the stop screw set to the exact clamping position.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ12X20-10S with the ACEJ12X20-10S
Bore 12 is the smallest step in the family: 56.5 N push at 0.5 MPa. If your load needs more, bore 16 delivers 100.5 N at the same pressure; if 56.5 N is generous for a light gate or sensor fixture, bore 12 keeps the envelope minimal. The stop screw only shortens the extend stroke and is not a mid-stroke lock - on air loss the piston still drifts, so add a separate valve or clamp if you must hold position. FA/FB flange and LB foot mountings bolt to the standard face, and the fitted -S magnet accepts CMSE / DMSE switches. Order ACEJ12X20 as the current drop-in replacement.
Replacement checklist
- ✓ Current-production ACE → ACEJ12X20-10S
- ✓ 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 ACPJ12X20-10S 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 59.4 N. Theoretical maximum is 11.5 kgf at 1.0 MPa. 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 extend stroke is adjustable between 10 and 20 mm via the stop screw.
The -10 code sets a 10 mm window: an external stop screw shortens the 20 mm extend stroke by up to 10 mm, so the working range is 10-20 mm. The fixed TPU bumpers at each end simply decelerate the piston at the ends. This unit carries the optional -S magnet, so CMSE or DMSE reed or solid-state switches can be clamped to the body for end-position detection. The model is discontinued - ACEJ12X20 is the current ISO 21287 replacement.
Related AirTAC ACE Cylinders
Request a Quote for the ACEJ12X20-10S
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