This model is discontinued
AirTAC has phased out the ACP series. You can still order this code here: we ship the current replacement ACEJ16X120-75SB, 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 ACPJ16X120-75SB
The AirTAC ACPJ Adjustable Compact Cylinder ACPJ16X120-75SB is a double acting, double rod, adjustable stroke DIN-standard tight/compact air cylinder with a Ø16mm bore and 120mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. This model is discontinued — the current-production replacement is the ACEJ16X120-75SB (ISO 21287 ACE), in the same bore, stroke and force class.
- BoreØ16 mm
- Stroke120 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod, adjustable stroke
- Rod threadM4×0.7
- StatusDiscontinued → ACEJ16X120-75SB
- 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 ACPJ16X120-75SB
This discontinued AirTAC ACPJ16X120-75SB is a double acting compact cylinder with an adjustable extend stroke: the -75 stop screw trims the 120 mm stroke by up to 75 mm, giving a usable range of 45-120 mm. The 16 mm bore delivers 100.5 N push and 75.4 N pull at 0.5 MPa, rising to 140.7 N push at 0.7 MPa, with a theoretical peak of 20.5 kgf at 1.0 MPa. The 120 mm stroke exceeds the 75 mm standard maximum for this bore, so it is a made-to-order build. The male rod thread (B code) and PT ports are set by the bore.
The hard-anodized aluminium body with an S45C hard-chrome rod saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into shallow fixtures and guarding where a full-length body cannot. A fixed TPU bumper sits at both ends and only decelerates the piston - it never locks or holds a load. Because this unit carries the -S magnet, CMSE / DMSE reed or solid-state switches can be mounted for end-of-stroke sensing. Plan on about 60 N (roughly 6 kg vertical) of real work at 0.5 MPa rather than the full 100.5 N rating. The ACPJ family is no longer produced; the current drop-in is the ISO 21287 ACEJ16X120 - confirm mounting dimensions before swapping.
Airtac ACPJ Adjustable Compact Cylinder ACPJ16X120-75SB Technical Specifications
| Model | Airtac ACPJ Adjustable Compact Cylinder ACPJ16X120-75SB |
|---|---|
| Series | ACPJ DIN compact cylinder (discontinued) |
| Replacement | ACEJ16X120-75SB |
| Bore size | Ø16 mm |
| Stroke | 120 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 ACEJ16X120-75SB (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 ACPJ16X120-75SB
| ACPJ | DIN compact cylinder (adjustable-stroke, discontinued). |
|---|---|
| 16 | Bore size in mm. |
| ×120 | 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 ACPJ16X120-75SB Is Used
Small-part ejector on assembly fixtures
The 45-120 mm trim range lets one cylinder serve several fixture variants, with 100.5 N at 0.5 MPa enough to push light aluminium housings off a nest.
Position-verified test station
With the -S magnet fitted, CMSE or DMSE switches confirm the trimmed extend position on a PCB or connector test rig running 30-500 mm/s.
Clamping inside a compact jig
A body about 50% shorter than an ISO 15552 profile cylinder clamps brackets inside tight welding jigs, delivering about 60 N of usable clamping force at 0.5 MPa.
Replacing the Airtac ACPJ Adjustable Compact Cylinder ACPJ16X120-75SB with the ACEJ16X120-75SB
Size both ways before ordering: the 12 mm bore gives 56.5 N push at 0.5 MPa, while the 20 mm bore reaches 157.1 N - this 16 mm model sits between them at 100.5 N. If you need the rod held under load with air off, note the stop screw only shortens the extend stroke; it is not a mid-stroke lock. The male rod thread suits I/Y knuckles, and FA/FB flange or LB foot mounts bolt to the same face. For new designs, order the ACEJ16X120 instead - it is the current-production ISO 21287 successor in the same bore, stroke and force class.
Replacement checklist
- ✓ Current-production ACE → ACEJ16X120-75SB
- ✓ 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 ACPJ16X120-75SB 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, with a theoretical maximum of 20.5 kgf at 1.0 MPa. The -75 stop screw shortens the 120 mm extend stroke by up to 75 mm, so the working range is 45-120 mm. The 120 mm stroke is a made-to-order length since the bore 16 standard maximum is 75 mm. Operating pressure is 0.15-1.0 MPa (22-145 psi).
The ACPJ family is out of production. The current drop-in is the AirTAC ACEJ16X120 (ISO 21287), which matches the same 16 mm bore, 120 mm stroke and force class. Because the ACPJ is DIN-standard, confirm the ISO 21287 mounting dimensions and the male rod thread before swapping. Sensor-ready CMSE / DMSE switching is available when the -S magnet is ordered on the replacement.
Related AirTAC ACE Cylinders
Request a Quote for the ACEJ16X120-75SB
Send us the quantity and destination. We confirm price, stock and lead time on the ACEJ16X120-75SB replacement — usually within 7-8 hours.