
The AirTAC Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE50X10S is a genuine single acting, push (spring return) ISO 21287 compact air cylinder with a Ø50mm bore and 10mm 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 ASE50X10S is a single acting push cylinder with spring return, meaning air extends the rod and the built-in spring retracts it, so it needs only one air line and rests retracted when pressure is off. At 0.5 MPa it delivers 875.5 N of push force net of the spring, and at 0.7 MPa that rises to 1268.2 N, so it suits moderate clamping and light pressing tasks.
Its ISO 21287 compact body is about 50% shorter in mounting length than an ISO 15552 profile cylinder, which lets it fit inside tight machine guards and compact jigs. The optional -S magnet is fitted on this model, so you can mount CMSE or DMSE reed or solid-state switches for position sensing. For a safe working load, plan on roughly 53 kg of real work at 0.5 MPa, since the full 875.5 N rating includes margin you should not push against continuously.
| Model | Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE50X10S |
|---|---|
| Series | ASE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø50 mm |
| Stroke | 10 mm |
| Acting type | Single acting, push (spring return) |
| Port size | 1/8" |
| Rod thread | M10×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 500 mm/s |
| Cushion | Fixed TPU bumper (both ends) |
| Max standard stroke | Up to 25 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 (spring return) |
|---|---|
| 0.5 MPa | 875.5 N |
| 0.7 MPa | 1268.2 N |
Single-acting push: air extends the rod; the return spring retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa. Single-acting strokes are short (Ø12 to 10 mm, Ø16-100 to 25 mm).
| ASE | ISO 21287 compact cylinder (single-acting push, spring-return). |
|---|---|
| 50 | Bore size in mm. |
| ×10 | 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 ASE50X10S to clamp small parts in a CNC fixture where the 10 mm stroke is enough to secure a workpiece and the 875.5 N push at 0.5 MPa holds it firmly during light milling.
In a packaging line, this cylinder can push a glue tab into place on a carton flap, with the spring return resetting it quickly for the next cycle at speeds up to 500 mm/s.
Mount the ASE50X10S on a machine guard to push a locking pin into a bracket, using the compact body to fit within the guard frame and the optional -S magnet to confirm the pin position via a sensor.
When sizing, compare this 50 mm bore with a 40 mm bore that gives 556.8 N at 0.5 MPa, or a 63 mm bore that provides 1420.5 N at the same pressure. The 10 mm stroke is short, so this cylinder works best for quick, compact motions rather than long travel. Since it is single acting, the spring returns the rod to its home position on air loss, but it does not hold a load at an intermediate position. If you need a powered return stroke, consider the ACE double-acting version instead. The 1/8" port and M10x1.5 female rod thread match standard fittings, and the -S magnet allows sensor feedback for automated cycles.
Quick checklist
At 0.5 MPa, the push force is 875.5 N net of the return spring. At 0.7 MPa, it is 1268.2 N. The minimum working pressure is 0.2 MPa, and the proof pressure is 1.5 MPa (215 psi). The operating pressure range is 0.2-1.0 MPa (28-145 psi).
The ASE50X10S has a short body that saves about 50% of the mounting length compared to an ISO 15552 profile cylinder, so it fits into confined areas like machine guards or small jigs. The fixed TPU bumper at both ends absorbs end-of-stroke impact, and the optional -S magnet allows CMSE or DMSE sensors to detect the rod position.
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