This model is discontinued
AirTAC has phased out the ACP series. You can still order this code here: we ship the current replacement ACEJ12X150-50, 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 ACPJ12X150-50
The AirTAC ACPJ Adjustable Compact Cylinder ACPJ12X150-50 is a double acting, double rod, adjustable stroke DIN-standard tight/compact air cylinder with a Ø12mm bore and 150mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ12X150-50 (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ12 mm
- Stroke150 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod, adjustable stroke
- Rod threadM3×0.5
- StatusDiscontinued → ACEJ12X150-50
- 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 ACPJ12X150-50
This is a double acting compact cylinder with an adjustable extend stroke: the -50 code gives a 50 mm adjustment window, so an external stop screw trims the 150 mm stroke anywhere in a 100-150 mm range on site. Air pushes the piston both ways, a fixed TPU bumper decelerates at each end, and the hard-anodized aluminium body carries an S45C hard-chrome rod. The 12 mm bore delivers 56.5 N push and 42.4 N pull at 0.5 MPa, rising to 79.2 N at 0.7 MPa.
The 150 mm stroke is a non-standard, made-to-order length (bore 12 tops out at 50 mm as a standard stroke), so expect factory production rather than shelf stock. In practice the 56.5 N push supports roughly 34 N of real work at 0.5 MPa, which lifts about 2.9 kg vertically with a 2:1 margin. The short ISO 21287-class body saves about 50% of the mounting length of an ISO 15552 profile cylinder. Note: this model is discontinued - the current-production replacement is ACEJ12X150, so confirm ISO 21287 mounting dimensions before swapping.
Airtac ACPJ Adjustable Compact Cylinder ACPJ12X150-50 Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ12X150-50 |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ12X150-50 |
| Bore size | Ø12 mm |
| Stroke | 150 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 ACEJ12X150-50 (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 ACPJ12X150-50
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 12 | Bore size in mm. |
| ×150 | Stroke length in mm. |
| -50 | 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 ACPJ12X150-50 Is Used
Micro part ejection from press dies
The 100-150 mm adjustable reach clears delicate stamped components off a die face, with 56.5 N at 0.5 MPa enough for parts under about 2.9 kg.
Sample pusher in lab analysers
The 12 mm bore fits narrow analyser channels, and the stop screw lets technicians dial the extend stroke between 100 and 150 mm without changing hardware.
Light gate actuation on packaging lines
A 6 mm rod with M3x0.5 female thread picks up small knuckles to trip gates or flags at 30-500 mm/s in tight guard spaces.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ12X150-50 with the ACEJ12X150-50
At 12 mm bore you are at the light end of the range: 56.5 N push at 0.5 MPa versus 100.5 N for a 16 mm bore and 157.1 N for a 20 mm bore, so step up if your part or clamp needs more than about 34 N of usable force. The stop screw only shortens the extend stroke and does not lock the piston - on air loss the rod still drifts, so add a separate holding method for suspended loads. This unit has no magnet (no S code), so no CMSE or DMSE switch can be fitted; order the -S version if position sensing is needed. FA/FB flange or LB foot mounting suits small fixtures. Replacement: ACEJ12X150.
Replacement checklist
- ✓ Current-production ACE → ACEJ12X150-50
- ✓ 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 ACPJ12X150-50 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, temperature -20 to +70 C, port M5x0.8, rod 6 mm with M3x0.5 female thread. The 150 mm stroke is made to order and the extend stroke is trimmable by 50 mm via the stop screw.
Bore 12 has a 50 mm maximum standard stroke, so 150 mm is a non-standard, made-to-order length with longer lead time. The ACPJ family is discontinued; the current-production drop-in is ACEJ12X150 in the same bore, stroke and force class. Because the ACP is DIN-standard, verify the ISO 21287 mounting dimensions before swapping. Also note this version has no magnet, so CMSE or DMSE switches require the -S code.
Related AirTAC ACE Cylinders
Request a Quote for the ACEJ12X150-50
Send us the quantity and destination. We confirm price, stock and lead time on the ACEJ12X150-50 replacement — usually within 7-8 hours.