Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X55-30
The AirTAC Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X55-30 is a genuine double acting, adjustable stroke ISO 21287 compact air cylinder with a Ø16mm bore and 55mm 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.
- BoreØ16 mm
- Stroke55 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM4×0.7
- CushionFixed TPU bumper (both ends)
- 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 ACEJ12 Adjustable Compact Cylinder ACEJ16X55-30
The ACEJ16X55-30 is a double acting compact cylinder built to ISO 21287, with a 16 mm bore and a 55 mm stroke that an external stop screw trims anywhere in a 30 mm window, giving a usable extend range of 25-55 mm. At 0.5 MPa it pushes 100.5 N and pulls 75.4 N; at 0.7 MPa those figures rise to 140.7 N and 105.6 N. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight fixtures, guards and small gantries where a full-length body simply will not fit.
Plan on roughly 60 N of real work at 0.5 MPa, which is about 6 kg of vertical lift with a 2:1 margin - enough for light clamping, part ejection or small lid lifting in electronics and packaging machines. The hard-anodized aluminium body carries an S45C hard-chrome plated 8 mm rod, a fixed TPU bumper at each end absorbs end-of-stroke shock, and the female M4x0.7 rod thread accepts standard knuckles. Note that the stop screw sets the end position only; on air loss the piston still drifts, so it is not a load-holding lock.
Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X55-30 Technical Specifications
| Model | Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X55-30 |
|---|---|
| Series | ACEJ compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø16 mm |
| Stroke | 55 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.
Theoretical Output Force (Ø16mm)
| 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.
Model Code: Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X55-30
| ACEJ | ISO 21287 compact cylinder (adjustable-stroke). |
|---|---|
| 16 | Bore size in mm. |
| ×55 | 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.
Where the Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X55-30 Is Used
PCB test fixture clamping
The 100.5 N push at 0.5 MPa holds small circuit boards against test pins, and the 25-55 mm adjustable range lets one cylinder serve several fixture depths.
Carton flap tuck station
A 6 kg vertical-lift equivalent with a 2:1 margin is ample for folding light carton flaps on a small packaging line running at 30-500 mm/s.
Lab sample pusher
The short ISO 21287 body fits inside compact analytical and sample-handling instruments where a full-length profile cylinder cannot be mounted.
Is the Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X55-30 the Right Cylinder?
At this bore size, the ACEJ12 series delivers 56.5 N push at 0.5 MPa if your load is lighter, while stepping up to the ACEJ20 gives 157.1 N when 100.5 N is not enough. Match the 55 mm stroke and 30 mm trim window to the travel you actually need - the screw shortens the extend stroke, it never lengthens it past 55 mm. If you need position feedback, order the -S variant so CMSE or DMSE switches can ride the body; this model has no magnet fitted. FA flange or LB foot mounts plus I/Y rod knuckles bolt straight to the ISO 21287 face.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short stroke fits the compact body
- ✓ Port/thread type (PT / G)
- ✓ Add -S if you need the magnet for sensors
- ✓ Rod type (female / male B) & mount (FA/LB/CA)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Compact body: keep the stroke short and avoid side load on the rod.
- check Do not dismantle the threaded front/back covers.
- check Keep speed within the rated range; the TPU bumper absorbs stroke-end energy.
- check Installation by qualified personnel per AirTAC docs.
Airtac ACEJ12 Adjustable Compact Cylinder ACEJ16X55-30 FAQ
At 0.5 MPa it pushes 100.5 N and pulls 75.4 N; at 0.7 MPa, 140.7 N push and 105.6 N pull; theoretical maximum is 20.5 kgf at 1.0 MPa. It runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), temperature -20 to +70 C, speed 30-500 mm/s, with a 55 mm stroke adjustable down to 25 mm via the stop screw and an M5x0.8 port.
An external stop screw shortens the extend stroke by up to 30 mm, so the working range is 25-55 mm; it is a mechanical end stop, not a mid-stroke lock, and the rod still drifts if air is lost. Sensors are only possible when the optional -S magnet is ordered, which allows CMSE or DMSE switches; this model without the S code has no magnet. Mounting is via FA flange or LB foot on the standard ISO 21287 face, with a female M4x0.7 rod thread.
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1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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