This model is discontinued
AirTAC has phased out the ACP series. You can still order this code here: we ship the current replacement ACEJ16X40-30S, 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 ACPJ16X40-30S
The AirTAC ACPJ Adjustable Compact Cylinder ACPJ16X40-30S is a double acting, double rod, adjustable stroke DIN-standard tight/compact air cylinder with a Ø16mm bore and 40mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ16X40-30S (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ16 mm
- Stroke40 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod, adjustable stroke
- Rod threadM4×0.7
- StatusDiscontinued → ACEJ16X40-30S
- 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 ACPJ16X40-30S
The ACPJ16X40-30S is a double acting compact cylinder with an adjustable extend stroke: the -30 stop screw trims the 40 mm stroke down to as little as 10 mm on site, so one unit covers a 10-40 mm range. At 0.5 MPa it pushes 100.5 N and pulls 75.4 N, rising to 140.7 N at 0.7 MPa, with a theoretical peak of 20.5 kgf at 1.0 MPa. In practice plan on roughly 60 N of usable push, which lifts about 5 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, so it slots into tight jigs and guarding where a full-length body will not fit.
The hard-anodized aluminium body carries aluminium covers with an S45C hard-chrome rod, and a fixed TPU bumper at each end decelerates the piston. This model carries the optional -S magnet, so CMSE or DMSE reed and solid-state switches can be mounted for end-of-stroke signalling. Note that the ACPJ family is discontinued; the current-production drop-in is the ACEJ16X40 (same bore, stroke and force class), and buyers should confirm ISO 21287 mounting dimensions before swapping, since the ACP is DIN-standard.
Airtac ACPJ Adjustable Compact Cylinder ACPJ16X40-30S Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ16X40-30S |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ16X40-30S |
| Bore size | Ø16 mm |
| Stroke | 40 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | M5×0.8 |
| Rod thread | M4×0.7 |
| 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 75 mm |
Specifications follow the official AirTAC ACP datasheet (now discontinued). The ACEJ16X40-30S (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 (Ø16mm)
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 75 N |
| 0.7 MPa | 106 N |
| Max (@1.0 MPa) | 15 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 ACPJ16X40-30S
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 16 | Bore size in mm. |
| ×40 | Stroke length in mm. |
| -30 | 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 ACPJ16X40-30S Is Used
Small-part ejection from injection molds
The 10-40 mm trimmed stroke and 100.5 N push at 0.5 MPa suit knocking finished nylon or POM parts off a mold face on a compact tooling plate.
Signalled clamp on an electronics assembly cell
With the -S magnet fitted, CMSE or DMSE switches confirm the clamp jaw has reached the trimmed end position before the screwdriver station cycles.
Low-force crimp of connector housings
About 60 N of usable push at 0.5 MPa presses terminal housings into small PCB connectors without damaging the solder joints.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ16X40-30S with the ACEJ16X40-30S
Size both ways: if 100.5 N push at 0.5 MPa is more than the job needs, the ACPJ12X40-30S gives 56.5 N in the same footprint class; if the load needs more, step up to the ACPJ20X40-30S at 157.1 N. The stop screw only shortens the extend stroke within the 30 mm window - it is a mechanical end stop, not a mid-stroke lock, so the piston still drifts if air is lost. FA/FB flange and LB foot mounts plus I/Y rod knuckles bolt to the standard face. This model is discontinued; order the ACEJ16X40 as the current replacement.
Replacement checklist
- ✓ Current-production ACE → ACEJ16X40-30S
- ✓ 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 ACPJ16X40-30S FAQ
At 0.5 MPa it pushes 100.5 N and pulls 75.4 N; at 0.7 MPa push is 140.7 N and pull 105.6 N; theoretical maximum is 20.5 kgf at 1.0 MPa. The -30 code gives a 30 mm adjustment window, so the extend stroke can be trimmed anywhere from 10 mm to the full 40 mm. Port is M5x0.8, rod thread is female M4x0.7, speed range is 30-500 mm/s, and operating pressure is 0.15-1.0 MPa (22-145 psi).
No - the ACPJ family is discontinued. The current-production drop-in is the ACEJ16X40, which matches the same 16 mm bore, 40 mm stroke and force class in the ISO 21287 short-body format. Confirm the ISO 21287 mounting dimensions against your fixture before swapping, because the ACP series was built to the DIN standard.
Related AirTAC ACE Cylinders
Request a Quote for the ACEJ16X40-30S
Send us the quantity and destination. We confirm price, stock and lead time on the ACEJ16X40-30S replacement — usually within 7-8 hours.