Airtac ACED Double-acting Compact Cylinder ACED25X70B
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED25X70B is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø25mm bore and 70mm 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.
- BoreØ25 mm
- Stroke70 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 ACED25X70B
A double acting compact cylinder built to ISO 21287, the ACED25X70B pushes a 25 mm bore through a 70 mm stroke with a piston rod leaving BOTH covers. Because each side of the piston sees the rod-side area, output is identical in either direction: 206.2 N at 0.5 MPa and 288.6 N at 0.7 MPa. The male rod thread (B code) bolts straight to your tooling, and the through-rod resists rotation and side load while the free back-end rod can carry a sensor flag or a second fixture.
The short ISO 21287 body saves roughly 50% of the mounting length of an ISO 15552 profile cylinder, so it slots into cramped jigs and guarding where a full-length body cannot. A hard-anodized aluminium barrel with an S45C hard-chrome plated rod runs at 30-500 mm/s on air filtered to 40 um, with fixed TPU bumpers at both ends. For positioning, plan on about 124 N of real work at 0.5 MPa (roughly 12.6 kg vertical with a 2:1 margin) rather than the full rating.
Airtac ACED Double-acting Compact Cylinder ACED25X70B Technical Specifications
| Model | Airtac ACED Double-acting Compact Cylinder ACED25X70B |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø25 mm |
| Stroke | 70 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 150 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 (Ø25mm)
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 206 N |
| 0.7 MPa | 289 N |
| Max (@1.0 MPa) | 42 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 ACED25X70B
| ACED | ISO 21287 compact cylinder (double-rod). |
|---|---|
| 25 | Bore size in mm. |
| ×70 | 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 ACED25X70B Is Used
Symmetric clamp fixture
The equal 206.2 N output in both directions lets one ACED25X70B clamp and release a machined aluminium bracket with identical force, no spring or return sizing needed.
Reciprocating test slide
A through-rod driving a leak-test slide on both strokes keeps the carriage guided and rotation-free at 30-500 mm/s inside a compact test station.
Small parts press station
With about 12.6 kg of vertical lift capacity at a 2:1 margin, the 70 mm stroke presses dowel pins into plastic housings on an electronics assembly bench.
Is the Airtac ACED Double-acting Compact Cylinder ACED25X70B the Right Cylinder?
At 206.2 N per direction this 25 mm bore sits between the 20 mm size (117.8 N at 0.5 MPa) and the 32 mm size (345.6 N at 0.5 MPa); step up if your tooling mass approaches the 12.6 kg vertical-lift equivalent. The 70 mm stroke is well inside the 150 mm standard range for bore 25, so no made-to-order length is needed. Mount with FA/FB flange, LB foot or FTC brackets plus I/Y rod knuckles on the ISO 21287 face. Remember: without the -S code there is no magnet, so add -S if you want CMSE / DMSE switch position feedback.
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 ACED25X70B FAQ
Yes - the double-rod design means a rod exits both covers, so every stroke uses the rod-side area. Output is 206.2 N at 0.5 MPa and 288.6 N at 0.7 MPa, equal push and pull, with a maximum of 42.0 kgf at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi) and proof pressure is 1.5 MPa (215 psi).
The B code gives a male M6x1.0 rod thread; omit B for female. The port is M5x0.8 (fixed by the 25 mm bore) with PT body threads. The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, and fixed TPU bumpers decelerate the piston at each end. The magnet is the optional -S code - order ACED25X70BS if you need CMSE / DMSE switches, otherwise no magnet is fitted. A lost air supply lets the piston drift, so use a rod lock or pilot check to hold a load.
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Standard models are processed and dispatched in 3-5 business days.
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