Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE20X20B
The AirTAC Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE20X20B is a genuine single acting, push (spring return) ISO 21287 compact air cylinder with a Ø20mm 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.
- BoreØ20 mm
- Stroke20 mm
- Port sizeM5×0.8
- Acting typeSingle acting, push (spring return)
- Rod threadM6×1.0
- CushionFixed TPU bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE20X20B
This AirTAC ASE20X20B is a single acting compact cylinder that extends on air and returns via spring, with a 20 mm bore and 20 mm stroke. It delivers 127.4 N of push force at 0.5 MPa, already net of the return spring, and 190.2 N at 0.7 MPa.
Its ISO 21287 short body takes about 50% less mounting length than an ISO 15552 profile cylinder, so it fits into tight jigs or guards. The optional -S magnet is not fitted here, meaning no CMSE or DMSE sensor can be used without ordering that code. For a safe working load, plan on about 7.8 kg of vertical lift at 0.5 MPa, using a 2:1 margin on the 127.4 N rating.
Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE20X20B Technical Specifications
| Model | Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE20X20B |
|---|---|
| Series | ASE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø20 mm |
| Stroke | 20 mm |
| Acting type | Single acting, push (spring return) |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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.
Theoretical Output Force (Ø20mm)
| Pressure | Push force (spring return) |
|---|---|
| 0.5 MPa | 127.4 N |
| 0.7 MPa | 190.2 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).
Model Code: Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE20X20B
| ASE | ISO 21287 compact cylinder (single-acting push, spring-return). |
|---|---|
| 20 | 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.
Where the Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE20X20B Is Used
Fixture Clamping
Use in a jig to clamp small plastic parts during drilling; the 127.4 N push holds parts firmly while the spring retracts for quick release.
Label Applicator
Drive a label tamp head in a packaging line; the 20 mm stroke applies labels to boxes with a consistent push, and the spring resets for the next cycle.
Guard Door Latch
Actuate a safety guard latch on a small machine; the compact body fits behind the guard, and the spring returns the latch to the locked position when air is off.
Is the Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE20X20B the Right Cylinder?
For a smaller option, the ASE16X25 offers 78.4 N at 0.5 MPa, while the ASE25X25 provides 210.1 N at the same pressure, so you can match the force to your application. This ASE20X20B has a male rod thread (B code) and a PT port, and it is normally retracted at rest, requiring only one air line. Remember that the spring does not hold a mid-stroke position; it only returns the rod to home on air loss.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short stroke fits the compact body
- ✓ Port/thread type (PT / G)
- ✓ Add -S if you need the magnet for sensors
- ✓ Rod type (female / male B) & mount (FA/LB/CA)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 1.0 MPa operating pressure.
- check Compact body: keep the stroke short and avoid side load on the rod.
- check Do not dismantle the threaded front/back covers.
- check Single-acting: do not force the rod against the spring.
- check Installation by qualified personnel per AirTAC docs.
Airtac ASE Single Acting Plunger Type Compact Air Cylinder ASE20X20B FAQ
At 0.5 MPa, the push force is 127.4 N, and at 0.7 MPa it is 190.2 N; both are net of the return spring. The operating pressure range is 0.2-1.0 MPa (28-145 psi), with a proof pressure of 1.5 MPa (215 psi).
The short body saves about 50% of the mounting length compared to an ISO 15552 profile cylinder, so it fits in tight spaces. It has a fixed TPU bumper at both ends to absorb impact, and the optional -S magnet is needed for CMSE or DMSE sensors, which are not included here.
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