This model is discontinued
AirTAC has phased out the ACP series. You can still order this code here: we ship the current replacement ACEJ12X175-75B, 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 ACPJ12X175-75B
The AirTAC ACPJ Adjustable Compact Cylinder ACPJ12X175-75B is a double acting, double rod, adjustable stroke DIN-standard tight/compact air cylinder with a Ø12mm bore and 175mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ12X175-75B (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ12 mm
- Stroke175 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod, adjustable stroke
- Rod threadM3×0.5
- StatusDiscontinued → ACEJ12X175-75B
- 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 ACPJ12X175-75B
This AirTAC ACPJ12X175-75B is a double acting compact cylinder with an adjustable extend stroke: a stop screw trims the 175 mm stroke by up to 75 mm on site, giving a usable range of 100-175 mm. The 12 mm bore delivers 56.5 N push and 42.4 N pull at 0.5 MPa (79.2 N push at 0.7 MPa), with a theoretical maximum of 11.5 kgf at 1.0 MPa. Its short ISO 21287-class body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into slim jigs and guarding where a full-length body will not fit.
Note that the 175 mm stroke is beyond the 50 mm maximum standard stroke for bore 12, so this unit is made to order. The B code gives a male rod thread, the port is M5x0.8, and fixed TPU bumpers decelerate the piston at both ends. In practice, plan for about 34 N of real work at 0.5 MPa (roughly 3 kg lifted vertically with a 2:1 margin), since the full 56.5 N rating leaves no reserve. This model is discontinued: the current-production replacement is ACEJ12X175, and you should confirm ISO 21287 mounting dimensions before swapping, as the ACP series was built to a DIN-standard footprint.
Airtac ACPJ Adjustable Compact Cylinder ACPJ12X175-75B Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ12X175-75B |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ12X175-75B |
| Bore size | Ø12 mm |
| Stroke | 175 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 ACEJ12X175-75B (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 ACPJ12X175-75B
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 12 | Bore size in mm. |
| ×175 | Stroke length in mm. |
| -75 | 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 ACPJ12X175-75B Is Used
Adjustable eject on small assembly fixtures
The 75 mm window lets a technician trim the 100-175 mm extend range of a 12 mm bore pusher after the fixture is built, with 56.5 N at 0.5 MPa enough to seat light connectors or labels.
Compact gate pusher on a benchtop tester
The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so the 175 mm stroke fits inside a slim guarding panel where a full-length body cannot.
Sample lift in a compact lab module
With about 3 kg of vertical lift at a 2:1 margin (34 N usable at 0.5 MPa), the male-threaded 6 mm rod raises small sample trays or shutters inside tight instrument enclosures.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ12X175-75B with the ACEJ12X175-75B
Size both ways before ordering: the 16 mm bore pushes 100.5 N at 0.5 MPa if 56.5 N is marginal, while staying at bore 12 keeps the M5x0.8 port and 6 mm rod on a tighter envelope. The 75 mm window suits fixtures where the final extend position is tuned after installation. Remember the stop screw only shortens the extend stroke - it is a mechanical end stop, not a mid-stroke lock, so the piston still drifts if air is lost. No magnet is fitted on this version (no S code), so no CMSE / DMSE switch can be mounted; order an -S variant if sensing is needed. FA/FB flange and LB foot mountings bolt to the standard face. For new designs, specify the ACEJ12X175 instead - same bore, stroke and force class, currently in production.
Replacement checklist
- ✓ Current-production ACE → ACEJ12X175-75B
- ✓ 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 ACPJ12X175-75B FAQ
At 0.5 MPa it pushes 56.5 N and pulls 42.4 N; at 0.7 MPa it pushes 79.2 N and pulls 59.4 N; the theoretical maximum is 11.5 kgf at 1.0 MPa. The -75 code is a 75 mm adjustment window: the stop screw shortens the 175 mm extend stroke to any point from 100 mm up to the full 175 mm. Operating pressure is 0.15-1.0 MPa (22-145 psi), speed 30-500 mm/s, and the 175 mm stroke is a made-to-order length since bore 12 tops out at 50 mm standard.
Not on this version: without the optional -S code there is no magnet, so no CMSE or DMSE switch can be mounted - order an -S variant if sensing is required. The ACPJ family is discontinued; the current-production drop-in is the ACEJ12X175 (swap the P for an E), which matches the same bore, stroke and force class. Confirm the ISO 21287 mounting dimensions before swapping, because the ACP was built to a DIN-standard footprint.
Related AirTAC ACE Cylinders
Request a Quote for the ACEJ12X175-75B
Send us the quantity and destination. We confirm price, stock and lead time on the ACEJ12X175-75B replacement — usually within 7-8 hours.