Airtac ACED Double-acting Compact Cylinder ACED20X55B
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED20X55B is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø20mm bore and 55mm 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
- Stroke55 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod
- 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 ACED Double-acting Compact Cylinder ACED20X55B
A double acting compact cylinder built to ISO 21287, the ACED20X55B pushes a 20 mm bore through a 55 mm stroke with a rod leaving BOTH covers. Because each side sees the rod-side area, output is a matched 117.8 N at 0.5 MPa and 164.9 N at 0.7 MPa whichever way the piston travels. The male rod thread from the B code bolts straight to your tooling, and the through-rod resists rotation while the free back-end rod can carry a sensor flag or a second fixture.
The hard-anodized aluminium body with an S45C hard-chrome rod runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), 30-500 mm/s, -20 to 70 C. Its short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into tight jigs and gantries. In practice the 117.8 N rating supports roughly 70 N of real work at 0.5 MPa, which lifts about 6 kg vertically with a 2:1 margin. A fixed TPU bumper at each end absorbs end-of-stroke shock.
Airtac ACED Double-acting Compact Cylinder ACED20X55B Technical Specifications
| Model | Airtac ACED Double-acting Compact Cylinder ACED20X55B |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø20 mm |
| Stroke | 55 mm |
| Acting type | Double acting, double rod |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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 100 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 | Force (both ways) |
|---|---|
| 0.5 MPa | 118 N |
| 0.7 MPa | 165 N |
| Max (@1.0 MPa) | 24 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
Model Code: Airtac ACED Double-acting Compact Cylinder ACED20X55B
| ACED | ISO 21287 compact cylinder (double-rod). |
|---|---|
| 20 | Bore size in mm. |
| ×55 | 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 ACED Double-acting Compact Cylinder ACED20X55B Is Used
Symmetric jig clamping
The male-threaded through-rod lets a small fixture clamp a machined aluminium bracket from both sides with an identical 117.8 N grip at 0.5 MPa, keeping the workpiece centered during a drilling cycle.
Bidirectional parts pusher
Equal force in both strokes makes this cylinder a clean choice for a packaging line pusher that diverts cartons left or right at up to 500 mm/s without recalibrating pressure per direction.
Light vertical lift in a gantry
With about 6 kg of vertical lift capacity at a 2:1 margin, the 55 mm stroke raises small plastic trays between an inspection camera and an eject chute inside a compact machine frame.
Is the Airtac ACED Double-acting Compact Cylinder ACED20X55B the Right Cylinder?
At 117.8 N per direction, this bore sits between the 16 mm size (75.4 N at 0.5 MPa) and the 25 mm size (206.2 N at 0.5 MPa) - step down for lighter pick-and-place, up if your part weight grows. The 55 mm stroke is well inside the 100 mm maximum standard stroke for bore 20, so no made-to-order build is needed. Note that a plain double-rod cylinder will drift if air is lost; add a rod lock or pilot check when the load must stay put. Choose the -S code if you later want CMSE / DMSE switches - this unit has no magnet fitted.
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 0.15 – 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 Keep speed within the rated range; the TPU bumper absorbs stroke-end energy.
- check Installation by qualified personnel per AirTAC docs.
Airtac ACED Double-acting Compact Cylinder ACED20X55B FAQ
Yes - the double-rod design exposes the rod-side area on both strokes, so force is equal each way: 117.8 N at 0.5 MPa and 164.9 N at 0.7 MPa. At the full 1.0 MPa rating the cylinder reaches about 24.0 kgf. Operating range is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof pressure, running at 30-500 mm/s on air filtered to 40 um.
The ISO 21287 short body takes roughly half the mounting length of an ISO 15552 profile cylinder, and FA/FB flange, LB foot, CA/CB clevis or FTC brackets bolt to the standard face. A fixed TPU bumper at each end absorbs end-of-stroke energy. This version has no magnet; order the optional -S code to enable CMSE / DMSE switches, and the male rod thread (B) suits direct tooling attachment.
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1-Year Warranty
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Standard models are processed and dispatched in 3-5 business days.
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