
The AirTAC Airtac ATE Single Acting Guided Compact Cylinder ATE16X20B is a genuine single acting, pull (spring return) ISO 21287 compact air cylinder with a Ø16mm bore and 20mm 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 ATE16X20B is a single acting pull cylinder, with the spring extending the rod and air retracting it. The 16 mm bore delivers a net pull of 53.3 N at 0.5 MPa, and the male rod thread (B code) simplifies attachment of custom tooling.
The ISO 21287 compact body is about 50% shorter than an ISO 15552 profile cylinder, freeing space in tight fixtures. With no -S code, there is no magnet fitted, so CMSE or DMSE sensors cannot be mounted. The fixed TPU bumper at both ends absorbs end-of-stroke impact, and the hard-anodized aluminium body resists wear in continuous cycling. At 0.5 MPa, this unit safely handles about 3.3 kg of vertical work when you apply a 2:1 margin on the 53.3 N rating.
| Model | Airtac ATE Single Acting Guided Compact Cylinder ATE16X20B |
|---|---|
| Series | ATE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø16 mm |
| Stroke | 20 mm |
| Acting type | Single acting, pull (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 | Pull force (spring return) |
|---|---|
| 0.5 MPa | 53.3 N |
| 0.7 MPa | 83.5 N |
Single-acting pull: the spring extends the rod; air 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).
| ATE | ISO 21287 compact cylinder (single-acting pull, spring-return). |
|---|---|
| 16 | Bore size in mm. |
| ×20 | 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.
Retract a locating pin in a 20 mm stroke on a benchtop assembly jig, where the spring-extend home position keeps the pin out of the way during part loading.
Pull a spring-loaded latch on a small machine guard, using the 53.3 N pull at 0.5 MPa to release the door while the spring returns it to the locked position.
Retract a small stop pin on a light conveyor, with the 20 mm stroke clearing the product path and the compact body fitting between existing frame rails.
Choose this 16 mm bore if your pull load is under 53.3 N at 0.5 MPa; the 20 mm bore offers 88.1 N for heavier retracts. Since the spring returns the rod to its extended position on air loss, it does not hold a mid-stroke load. The M5x0.8 port suits small-bore manifolds, and the compact body mounts via FA/FB flange, LB foot, or CA/CB clevis brackets. Order the -S code if you need the optional magnet for position sensing.
Quick checklist
The ATE16X20B delivers a net pull of 53.3 N at 0.5 MPa and 83.5 N at 0.7 MPa, with these figures already accounting for the return spring. The minimum working pressure is 0.2 MPa, and the proof pressure is 1.5 MPa (215 psi).
No, this version has no magnet because the -S code was not ordered. Without the optional -S magnet, CMSE or DMSE switches cannot be mounted. The fixed TPU bumper handles end-of-stroke impact, and the compact ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder.
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