This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is ACEJ12X45-10SB — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the ACEJ12X45-10SB 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 ACPJ12X45-10SB
The AirTAC Airtac ACPJ Adjustable Compact Cylinder ACPJ12X45-10SB is a double acting, adjustable stroke DIN-standard tight/compact air cylinder with a Ø12mm bore and 45mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ12X45-10SB (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ12 mm
- Stroke45 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM3×0.5
- StatusDiscontinued → ACEJ12X45-10SB
About the Airtac ACPJ Adjustable Compact Cylinder ACPJ12X45-10SB
This double acting compact cylinder from AirTAC's ACPJ line carries a 12 mm bore with a 45 mm stroke that an external stop screw trims by up to 10 mm, giving a usable extend range of 35-45 mm. At 0.5 MPa it pushes 56.5 N and pulls 42.4 N, rising to 79.2 N and 59.4 N at 0.7 MPa. The -S code on this unit means the magnet is fitted, so CMSE / DMSE reed or solid-state switches can be mounted for end-of-stroke sensing. The B code gives a male rod thread on the 6 mm rod, and the air port is M5x0.8.
The short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, which is why it slots into slim test fixtures and compact pick stations. As a planning figure, about 34 N of the push force is realistic working output at 0.5 MPa, enough to lift roughly 1.7 kg vertically with a 2:1 margin. Note that this ACPJ model is discontinued; the current-production drop-in is ACEJ12X45 in the same bore, stroke and force class, so confirm ISO 21287 mounting dimensions before swapping.
Airtac ACPJ Adjustable Compact Cylinder ACPJ12X45-10SB Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ12X45-10SB |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ12X45-10SB |
| Bore size | Ø12 mm |
| Stroke | 45 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 ACEJ12X45-10SB (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 ACEJ12X45-10SB 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 ACPJ12X45-10SB
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 12 | Bore size in mm. |
| ×45 | 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 ACPJ12X45-10SB Is Used
Lab sample ejector
The 34 N working push at 0.5 MPa ejects microplate samples or test tubes from a fixture nest, and the 35-45 mm trimmed stroke matches shallow drawer depth.
PCB press-fit check station
With the fitted magnet driving a CMSE switch, the controller confirms the 45 mm extend before a 12 mm-bore press of 56.5 N seats a connector.
Watch-part clamping fixture
The male rod thread on the 6 mm rod takes a knuckle to clamp small watch or camera components, with the stop screw dialing the clamp travel between 35 and 45 mm.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ12X45-10SB with the ACEJ12X45-10SB
At 12 mm bore this is the smallest force step in the family: 56.5 N push at 0.5 MPa versus 100.5 N for the 16 mm bore and 157.1 N for the 20 mm. If your part weight exceeds about 1.7 kg vertical lift with margin, step up a bore. The 45 mm stroke sits inside the 50 mm maximum standard stroke for this bore, so no made-to-order length is needed. The stop screw shortens the extend stroke only and acts as an end stop, not a mid-stroke lock, so the piston still drifts if air is lost. FA/FB flange and LB foot mountings plus I/Y rod knuckles bolt to the ISO 21287 face. Since ACPJ is discontinued, order ACEJ12X45 and verify the mounting dimensions against your fixture.
Replacement checklist
- ✓ Current-production ACE → ACEJ12X45-10SB
- ✓ 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 ACPJ12X45-10SB FAQ
At 0.5 MPa it pushes 56.5 N and pulls 42.4 N; at 0.7 MPa that rises to 79.2 N push and 59.4 N pull. The theoretical maximum is 11.5 kgf at 1.0 MPa. For sizing, plan on about 34 N of real work at 0.5 MPa, which lifts roughly 1.7 kg vertically with a 2:1 margin. Operating pressure is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof pressure, and speed runs 30-500 mm/s.
The -10 code is a 10 mm window: a stop screw at the head shortens the 45 mm extend stroke on site, so the rod can be set anywhere from 35 to 45 mm. It is a mechanical end stop for the extend direction only and never holds a load if air is lost. Because this unit carries the optional -S magnet, CMSE / DMSE reed or solid-state switches can be fitted. The ACPJ family is discontinued; ACEJ12X45 is the current ISO 21287 drop-in with the same bore, stroke and force class, so confirm the mounting dimensions before swapping.
Related AirTAC ACE Cylinders
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