
The AirTAC Airtac ACE Compact Cylinder ACE50X150SBG is a genuine double acting ISO 21287 compact air cylinder with a Ø50mm bore and 150mm 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 ACE50X150SBG is a double acting compact cylinder that uses air to both extend and retract its 16 mm rod. With a 50 mm bore it delivers 981.7 N of push force at 0.5 MPa, so it can handle moderate pushing tasks in automated assembly. The ISO 21287 body is about 50% shorter than an ISO 15552 profile cylinder, which lets you fit it into tight machine frames where a longer cylinder would not clear. For real work, plan on about 589 N of usable force at 0.5 MPa, which translates to lifting roughly 60 kg vertically with a 2:1 safety margin.
The hard-anodized aluminium body and S45C hard-chrome plated rod resist wear in continuous cycling. The fixed TPU bumper at each end absorbs impact energy, and the speed range of 30-500 mm/s covers most pick-and-place and clamping duties. This model includes the optional -S magnet, so you can mount CMSE or DMSE reed or solid-state switches directly on the body for position sensing. The 1/8" port and G thread option simplify connection to standard pneumatic fittings.
| Model | Airtac ACE Compact Cylinder ACE50X150SBG |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø50 mm |
| Stroke | 150 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. |
| ×150 | 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 machine fixture to clamp a 50 mm thick workpiece during drilling. The 981.7 N push at 0.5 MPa holds the part firmly, and the short body fits under the worktable.
Mount on a conveyor line to stop cardboard boxes weighing up to 60 kg. The 150 mm stroke retracts quickly to let packages pass, and the TPU bumper prevents shock to the frame.
In a small assembly press, this cylinder pushes a bushing into a housing. The 1374.4 N push at 0.7 MPa provides enough force for a light interference fit, and the compact body saves space on the bench.
When sizing, compare this 50 mm bore against the 40 mm bore which pushes 628.3 N at 0.5 MPa, or the 63 mm bore which pushes 1558.6 N. The 150 mm stroke is within the 250 mm maximum standard stroke for this bore, so you get a standard unit without custom lead time. Since this is a double acting cylinder, it will not hold its position if air pressure is lost or the valve is centered; for holding a load, add a rod lock or pilot check valve. The male rod thread (B code) and G port thread are ready for direct mounting with rod end accessories.
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 is 1374.4 N and pull is 1233.7 N. The theoretical maximum force at 1.0 MPa is 200.2 kgf. These figures are for the 50 mm bore with a 16 mm rod.
The ACE50X150SBG body is about 50% shorter than an ISO 15552 profile cylinder, so it fits into tight spaces like guard enclosures or gantries. The fixed TPU bumper absorbs end-of-stroke impact, and the optional -S magnet allows mounting CMSE or DMSE switches for position feedback. The hard-anodized aluminium body resists corrosion in humid environments.
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