
The AirTAC Airtac ACE Compact Cylinder ACE20X75SB is a genuine double acting ISO 21287 compact air cylinder with a Ø20mm 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.
This AirTAC ACE20X75SB is a double acting ISO 21287 compact cylinder, delivering a 157.1 N push and 117.8 N pull at 0.5 MPa. Its short, hard-anodized aluminum body saves about 50% of the mounting length of an ISO 15552 profile cylinder, fitting into tight jigs and guards where a full-length unit won't.
With the optional -S magnet fitted, this model works with CMSE or DMSE switches for position sensing. For real work, plan on about 94 N (roughly 9.6 kg) of safe vertical lift at 0.5 MPa, not the full rating, so you can match it to an actual part weight.
| Model | Airtac ACE Compact Cylinder ACE20X75SB |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø20 mm |
| Stroke | 75 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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 100 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 | 157 N | 118 N |
| 0.7 MPa | 220 N | 165 N |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| ACE | ISO 21287 compact cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×75 | Stroke length in mm. |
| 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.
Use in a CNC fixture to clamp small aluminum parts with a 157.1 N push, where the compact body fits under a workholding table.
Actuate a diverting gate on a light conveyor line, cycling at up to 500 mm/s to push 75 mm stroke for product routing.
Drive a label tamp head in a packaging machine, using the 75 mm stroke to press labels onto cartons with repeatable force.
For lighter automation, the ACE16X75 offers a 100.5 N push, while stepping up to the ACE25X75 gives you 245.4 N push at 0.5 MPa. This 20 mm bore is a balanced choice for medium-duty push applications. The male rod thread (B code) simplifies mounting with rod-end accessories, and the M5x0.8 port suits small-bore air lines. Since this model carries the -S magnet, you can add CMSE or DMSE sensors for stroke confirmation, but remember a plain ACE does not hold its load if air pressure is lost.
Quick checklist
At 0.5 MPa, the push force is 157.1 N and the pull is 117.8 N. At 0.7 MPa, push rises to 219.9 N and pull to 164.9 N. The theoretical maximum force is 32 kgf at 1.0 MPa.
It follows ISO 21287, so its body is about 50% shorter than an ISO 15552 profile cylinder. This saves space in tight fixtures. It has a fixed TPU bumper at both ends, not an adjustable air cushion, and the optional -S magnet enables CMSE or DMSE switches for position sensing.
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