
The AirTAC Airtac ACE Compact Cylinder ACE20X75S 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 ACE20X75S is a double acting ISO 21287 compact cylinder with a 20 mm bore and 75 mm stroke, delivering 157.1 N of push force at 0.5 MPa. Its short body takes up about 50% less mounting length than an ISO 15552 profile cylinder, making it ideal for tight automation cells and guarding applications.
The hard-anodized aluminium body and S45C hard-chrome plated rod resist wear in high-cycle operations. This model includes the optional -S magnet, so you can mount CMSE or DMSE reed and solid-state switches directly on the body for position sensing. For a 2:1 safety margin, plan to lift about 8 kg vertically with this unit at 0.5 MPa, rather than the full theoretical rating.
| Model | Airtac ACE Compact Cylinder ACE20X75S |
|---|---|
| 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 the 157.1 N push force to eject small stamped metal parts from a die press at 75 mm stroke, clearing the tool area between cycles.
Drive a tab-folding mechanism on a packaging line, where the compact body fits between guide rails and the 75 mm stroke matches the carton depth.
Actuate a diverter gate in a conveyor system, using the fitted -S magnet with a CMSE switch to confirm the gate position at each end of the 75 mm stroke.
When sizing, compare this 20 mm bore unit against the smaller 16 mm bore (100.5 N push) and the larger 25 mm bore (245.4 N push) at 0.5 MPa. The 75 mm stroke fits within the 100 mm maximum standard stroke for this bore size. Choose the 25 mm bore if you need more force in a similar envelope, or step down to 16 mm for lighter duty applications. The M5x0.8 port suits small-bore pneumatic circuits, and the female M6x1.0 rod thread accepts standard accessories. Since this unit carries the -S magnet, order CMSE or DMSE sensors separately to confirm position feedback.
Quick checklist
At 0.5 MPa, the push force is 157.1 N and the pull force is 117.8 N. At 0.7 MPa, push is 219.9 N and pull is 164.9 N. The theoretical maximum force is 32 kgf at 1.0 MPa. The operating pressure range is 0.15-1.0 MPa (22-145 psi), with a proof pressure of 1.5 MPa (215 psi).
The ACE20X75S body is about 50% shorter than an ISO 15552 profile cylinder, so it fits into tight spaces behind guards or inside gantries. It has a fixed TPU bumper at both ends to absorb impact, and this model includes the optional -S magnet for mounting CMSE or DMSE sensors. The M5x0.8 port suits small-bore applications.
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