This model is discontinued
AirTAC has phased out the ACP series. You can still order this code here: we ship the current replacement ACEJ12X5-10S, the same code under the new prefix. 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 ACPJ12X5-10S
The AirTAC ACPJ Adjustable Compact Cylinder ACPJ12X5-10S is a double acting, double rod, adjustable stroke DIN-standard tight/compact air cylinder with a Ø12mm bore and 5mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ12X5-10S (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ12 mm
- Stroke5 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod, adjustable stroke
- Rod threadM3×0.5
- StatusDiscontinued → ACEJ12X5-10S
- 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 ACPJ Adjustable Compact Cylinder ACPJ12X5-10S
The ACPJ12X5-10S is a double acting compact cylinder with an adjustable extend stroke: a stop screw trims the 5 mm stroke within a 10 mm window, giving a usable range of 0-5 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 12 mm bore carries an M5x0.8 port and a 6 mm rod with a female M3x0.5 thread. The -S code means the magnet is fitted, so CMSE / DMSE reed or solid-state switches can be mounted directly on the body.
The hard-anodized aluminium body with S45C hard-chrome rod saves about 50% of the mounting length of an ISO 15552 profile cylinder, which is why it slots into slim fixtures, micro-assembly heads and guarding where a full-length body will not go. A fixed TPU bumper sits at both ends. In practical terms, plan on roughly 34 N of real work at 0.5 MPa (about 0.6 of the push rating), which lifts about 3 kg vertically - and with the 2:1 margin halved, about 1 kg. Note this model is discontinued: the current-production drop-in is the ACEJ12X5, so confirm ISO 21287 mounting dimensions before swapping, since the ACP is DIN-standard.
Airtac ACPJ Adjustable Compact Cylinder ACPJ12X5-10S Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ12X5-10S |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ12X5-10S |
| Bore size | Ø12 mm |
| Stroke | 5 mm |
| Acting type | Double acting, double rod, 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 ACEJ12X5-10S (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 | Force (both ways) |
|---|---|
| 0.5 MPa | 42 N |
| 0.7 MPa | 59 N |
| Max (@1.0 MPa) | 9 kgf |
ACPJ is double-rod: the rear rod that carries the stroke adjuster exits the rear cover, so both piston faces lose rod area. The rod-side (annular) area is used for both directions (conservative).
Model Code: Airtac ACPJ Adjustable Compact Cylinder ACPJ12X5-10S
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 12 | Bore size in mm. |
| ×5 | 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 (double rod, adjustable stroke).
Where the Airtac ACPJ Adjustable Compact Cylinder ACPJ12X5-10S Is Used
Micro-assembly ejection
A 5 mm adjustable push seats tiny clips or pins in electronics assembly heads, where the 56.5 N push at 0.5 MPa is enough and the short body fits inside the tooling plate.
Position-verified clamping
With the fitted -S magnet, CMSE or DMSE switches confirm the 0-5 mm trimmed stroke on a small jig, giving a PLC a clamped/not-clamped signal without extra hardware.
Lab sample indexing
The 0-5 mm range nudges sample trays or microscope slides between fixed stops at 30-500 mm/s, and the 10 mm window lets technicians dial the exact throw on site.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ12X5-10S with the ACEJ12X5-10S
For a 5 mm micro-stroke at low force, bore 12 gives 56.5 N push at 0.5 MPa; step up to bore 16 (100.5 N) if the load grows, or drop to nothing smaller - 12 mm is the smallest bore in this family. The stop screw only shortens the extend stroke; it is not a mid-stroke lock, so on air loss the piston still drifts and this unit must not be treated as a load-holding brake. FA/FB flange and LB foot mountings plus I/Y rod knuckles bolt to the standard face. Order the -S code (as this model carries) if CMSE / DMSE switch sensing is needed. Replacement: ACEJ12X5, same bore, stroke and force class.
Replacement checklist
- ✓ Current-production ACE → ACEJ12X5-10S
- ✓ 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 ACPJ12X5-10S FAQ
At 0.5 MPa it pushes 56.5 N and pulls 42.4 N; at 0.7 MPa, 79.2 N push and 59.4 N pull; theoretical maximum is 11.5 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-500 mm/s, temperature -20 to +70 C, air filtered to 40 um. Port is M5x0.8, rod thread female M3x0.5, and the stop screw trims the 5 mm stroke within the 10 mm window.
An external stop screw shortens the extend stroke on site within the ordered -10 window, so the usable range is 0-5 mm; it cannot lengthen the stroke past 5 mm and it is a mechanical end stop, not a mid-stroke lock. The ACPJ family is discontinued: the current-production drop-in is the ACEJ12X5 (same bore, stroke and force class). Confirm ISO 21287 mounting dimensions before swapping, because the ACP is DIN-standard.
Related AirTAC ACE Cylinders
Request a Quote for the ACEJ12X5-10S
Send us the quantity and destination. We confirm price, stock and lead time on the ACEJ12X5-10S replacement — usually within 7-8 hours.