
The AirTAC Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE16X5B is a genuine single acting, push (spring return) ISO 21287 compact air cylinder with a Ø16mm bore and 5mm 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 ASE16X5B is a single acting push cylinder with spring return, so air extends the rod and the built-in spring pulls it back when pressure drops. With a 16 mm bore it delivers 78.4 N of push force at 0.5 MPa, already net of the return spring, and 118.6 N at 0.7 MPa.
Its ISO 21287 compact body is about 50% shorter than an ISO 15552 profile cylinder, which lets it fit into tight jigs and guards where a full-length unit will not. The hard-anodized aluminium body and S45C hard-chrome rod resist wear, and the fixed TPU bumper at both ends absorbs end-of-stroke impact. For a safe working load at 0.5 MPa, plan for about 47 N of real work, which is roughly 4.8 kg of vertical lift with a 2:1 safety margin.
| Model | Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE16X5B |
|---|---|
| Series | ASE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø16 mm |
| Stroke | 5 mm |
| Acting type | Single acting, push (spring return) |
| Port size | M5×0.8 |
| Rod thread | M4×0.7 |
| 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 | 78.4 N |
| 0.7 MPa | 118.6 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). |
|---|---|
| 16 | Bore size in mm. |
| ×5 | 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 ASE16X5B to clamp small parts in a CNC fixture where the short body fits under a guard. Its 78.4 N push at 0.5 MPa holds light workpieces securely, and the spring return clears the clamp when air is off.
In an automated assembly line, this cylinder can push a small component into a nest or stop. The 5 mm stroke suits precise short moves, and the compact body saves space beside sensors or other tooling.
On a blister-pack or carton line, the ASE16X5B can eject a small product from a tray or index a light flap. The spring return resets the rod automatically, and the TPU bumper protects the mechanism at high cycle rates.
For a lighter push, the ASE12X10 offers 40.0 N at 0.5 MPa, while stepping up to the ASE20X25 gives 127.4 N at the same pressure. Since this is a single acting push cylinder, it does not hold a mid-stroke position on air loss; the spring drives the rod back to its retracted home. The male rod thread (B) suits direct coupling, and the M5x0.8 port accepts standard fittings. This model has no magnet, so CMSE or DMSE sensors cannot be mounted unless you order the -S version.
Quick checklist
The ASE16X5B delivers 78.4 N of push force at 0.5 MPa and 118.6 N at 0.7 MPa, both net of the return spring. Minimum working pressure is 0.2 MPa, and the proof pressure is 1.5 MPa (215 psi). Operating pressure range is 0.2-1.0 MPa (28-145 psi).
The ASE16X5B has a short body that saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it fits into compact jigs and guards. It uses a fixed TPU bumper at both ends for impact absorption, and the hard-anodized aluminium body resists wear. This model has a male rod thread and no magnet, so order the -S version if you need to mount CMSE or DMSE sensors.
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