
The AirTAC Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X75-30 is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø16mm bore and 75mm stroke, M5×0.8 air ports and a hard-anodized aluminium body. Its short compact envelope saves about 50% of the mounting length of an ISO 15552 profile cylinder.
The ACEJ16X75-30 is a double acting AirTAC compact cylinder built to ISO 21287, with a 16 mm bore and a 75 mm stroke that an external stop screw can trim by up to 30 mm, giving a usable extend range of 45-75 mm. At 0.5 MPa it pushes with 100.5 N and pulls with 75.4 N, rising to 140.7 N on the extend stroke at 0.7 MPa. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight fixtures where a full-length body will not fit.
For sizing, treat roughly 60 N (about 6 kg) as the practical working force at 0.5 MPa, which means this unit lifts about 5 kg vertically once a 2:1 margin is applied. The hard-anodized aluminium body carries an S45C hard-chrome plated 8 mm rod with a female M4x0.7 thread, and a fixed TPU bumper at each end absorbs end-of-stroke energy. This version has no magnet fitted; order the -S code if you later need CMSE or DMSE switch sensing.
| Model | Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X75-30 |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø16 mm |
| Stroke | 75 mm |
| Acting type | Double acting, 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 TPU bumper (both ends) |
| Max standard stroke | Up to 75 mm |
Specifications follow the official AirTAC ACE-series (ISO 21287) datasheet. Body: hard-anodized aluminium alloy; piston rod: S45C carbon steel with hard-chrome plating. Rod type: female thread (blank) or male thread (B). Thread options: PT (blank) / G. A built-in magnet is OPTIONAL — add the -S code to fit CMSE / DMSE position sensors.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 101 N | 75 N |
| 0.7 MPa | 141 N | 106 N |
| Max (@1.0 MPa) | 21 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 16 | Bore size in mm. |
| ×75 | Stroke length in mm. |
| -30 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| S | Optional built-in magnet for CMSE / DMSE sensors (omit for no magnet). |
| B | Rod type: B = male thread; blank = female thread. |
ACE-family variants: ACE (double acting), ASE / ATE (single acting push / pull), ACED (double rod), ACEJ (adjustable stroke), TACE / TACED (non-rotating twin-guide yoke). Mounting accessories: FA / FB flange, LB foot, CA / CB clevis, CR, SDB pivot, FTC; plus I and Y knuckles. Thread PT (blank) / G.
The 100.5 N push at 0.5 MPa is enough to kick finished caps or clips off a mold face, and the 45-75 mm adjustable range lets the setter match the eject distance without swapping cylinders.
A short-body unit is ideal beside a narrow conveyor frame; the stop screw trims the extend stroke so off-track bottles are nudged clear without overshooting the lane.
With about 6 kg of practical working force and a female M4x0.7 rod thread, this cylinder indexes light vial racks between test stations inside compact instrument enclosures.
At 100.5 N push at 0.5 MPa, the 16 mm bore suits light clamping and positioning; step down to the 12 mm bore (56.5 N) for smaller loads or up to the 20 mm bore (157.1 N) when more force is needed. The 75 mm stroke is the maximum standard stroke for this bore, so no made-to-order length is required. Choose FA flange or LB foot mounting to bolt onto the ISO 21287 face, and remember the stop screw only shortens the extend stroke - it is not a mid-stroke lock, so the rod can drift if air is lost. Add the -S magnet code if position detection with CMSE / DMSE switches is planned.
Quick checklist
This 16 mm bore unit delivers 100.5 N push and 75.4 N pull at 0.5 MPa, and 140.7 N push / 105.6 N pull at 0.7 MPa, with a theoretical maximum of 20.5 kgf at 1.0 MPa. The base stroke is 75 mm and the -30 stop screw shortens the extend stroke by up to 30 mm, so the working range is 45-75 mm. It runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi) at 30-500 mm/s.
The ISO 21287 short body is hard-anodized aluminium with threaded covers, an S45C hard-chrome rod and a fixed TPU bumper at both ends to soften end-of-stroke contact. Mounting is via FA flange or LB foot on the standard ISO 21287 face. Sensing is not fitted as standard: order the -S magnet code to enable CMSE or DMSE switches; without it there is no magnet and no switch can be read.
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