
The AirTAC Airtac ACE Compact Cylinder ACE50X80B is a genuine double acting ISO 21287 compact air cylinder with a Ø50mm bore and 80mm stroke, 1/8" 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 ACE50X80B is a double acting ISO 21287 compact cylinder that extends and retracts its 16 mm hard-chrome rod with air pressure on both strokes. At 0.5 MPa it delivers 981.7 N of push force, which translates to a practical vertical lift of about 60 kg when you apply a 2:1 safety margin, so it can handle real part weights in assembly fixtures.
The short body saves roughly 50% of the mounting length compared to an ISO 15552 profile cylinder, which lets it fit into tight guarding and tooling envelopes. Since this unit has no -S code, there is no magnet fitted, so CMSE or DMSE sensors cannot be mounted without ordering the optional -S version. The fixed TPU bumper at both ends absorbs end-of-stroke impact, and the hard-anodized aluminium body resists wear in continuous cycling.
| Model | Airtac ACE Compact Cylinder ACE50X80B |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø50 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.5 |
| 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 250 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 | 982 N | 881 N |
| 0.7 MPa | 1374 N | 1234 N |
| Max (@1.0 MPa) | 200 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). |
|---|---|
| 50 | Bore size in mm. |
| ×80 | 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 981.7 N push force to clamp sheet metal parts in a CNC milling fixture, where the compact body fits under the spindle guard without reducing travel.
Mount this cylinder on a packaging line to tamp folded cartons into a case, leveraging the 80 mm stroke and 881.2 N pull force for a clean retraction cycle.
Deploy as a pneumatically actuated stop on a gantry pick-and-place system, where the short ISO 21287 body saves space and the TPU bumper handles repeated impacts.
When sizing this ACE50X80B, compare it against the ACE40X80 for lighter loads (628.3 N push at 0.5 MPa) or step up to the ACE63X80 for heavier work (1558.6 N push at 0.5 MPa). The 1/8" port matches common 6 mm tubing, and the male rod thread (B code) simplifies mounting clevises or rod ends directly. For applications that need position sensing, order the ACE50X80SB version with the optional -S magnet; without it, this cylinder cannot trigger a reed or solid-state switch. Remember that this cylinder does not hold its position when air pressure is lost, so use a rod lock or pilot check valve if the load must stay put.
Quick checklist
At 0.5 MPa, the push force is 981.7 N and the pull force is 881.2 N. At 0.7 MPa, push rises to 1374.4 N and pull to 1233.7 N. The theoretical maximum force at 1.0 MPa is 200.2 kgf. Operating pressure range is 0.15-1.0 MPa (22-145 psi), with a proof pressure of 1.5 MPa (215 psi).
The ACE50X80B follows ISO 21287, a compact standard that cuts the mounting length by about 50% compared to an ISO 15552 profile cylinder. This is achieved by threading the aluminium covers directly onto the hard-anodized body, which also simplifies service. The fixed TPU bumper at both ends absorbs end-of-stroke energy, but it does not provide adjustable cushioning or load holding.
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