Airtac ACED Double-acting Compact Cylinder ACED125X50SB
The AirTAC Airtac ACED Double-acting Compact Cylinder ACED125X50SB is a genuine double acting, double rod ISO 21287 compact air cylinder with a Ø125mm bore and 50mm stroke, 1/4" 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.
- BoreØ125 mm
- Stroke50 mm
- Port size1/4"
- Acting typeDouble acting, double rod
- Rod threadM16×2.0
- 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 ACED125X50SB
A double acting compact cylinder built to ISO 21287, the ACED125X50SB pushes a 125 mm piston through a 50 mm stroke with a rod leaving BOTH covers. Because each side sees the rod-side area, output is 5890.5 N at 0.5 MPa and 8246.7 N at 0.7 MPa in either direction - no push/pull imbalance. The male rod thread (B code) suits clevis and knuckle fittings, and the PT port takes a 1/4" supply. Running on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), it strokes at 30-500 mm/s between -20 and +70 C, with a fixed TPU bumper at each end taking the end-of-stroke shock.
The short ISO 21287 body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so this 125 mm bore fits heavy presses and clamping stations where a full-length body will not. The hard-anodized aluminium body carries a roller-burnished bore and an S45C hard-chrome-plated 25 mm rod, while the through-rod resists rotation and lets the rear rod carry a fixture or sensor flag. This model carries the optional -S magnet, so CMSE / DMSE switches can be clipped on for end-of-stroke signals. As a working rule, keep real duty near 3534 N at 0.5 MPa (about 0.6 of rating), which is roughly a 300 kg vertical lift with a 2:1 margin.
Airtac ACED Double-acting Compact Cylinder ACED125X50SB Technical Specifications
| Model | Airtac ACED Double-acting Compact Cylinder ACED125X50SB |
|---|---|
| Series | ACED compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø125 mm |
| Stroke | 50 mm |
| Acting type | Double acting, double rod |
| Port size | 1/4" |
| Rod thread | M16×2.0 |
| 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 300 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 (Ø125mm)
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 5890 N |
| 0.7 MPa | 8247 N |
| Max (@1.0 MPa) | 1201 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 ACED125X50SB
| ACED | ISO 21287 compact cylinder (double-rod). |
|---|---|
| 125 | Bore size in mm. |
| ×50 | 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 ACED125X50SB Is Used
Heavy press and forming station
The 5890.5 N both-ways output at 0.5 MPa clinches, stakes or forms steel brackets in a 50 mm stroke, with the through-rod keeping the tool plate square under off-center loads.
Automotive fixture clamping
On an engine-block machining fixture, the rear rod drives a synchronous clamp while the front rod carries the clamp arm, both sides delivering equal force at 0.7 MPa (8246.7 N).
Monitored gantry press with switch feedback
With the fitted -S magnet and CMSE switches on both ends, a PLC confirms full retract and full clamp on each cycle of a 300 kg-rated vertical press head, at speeds up to 500 mm/s.
Is the Airtac ACED Double-acting Compact Cylinder ACED125X50SB the Right Cylinder?
At 5890.5 N per side at 0.5 MPa, the 125 mm bore is the top of the ACED range - step down to 100 mm (3769.9 N) for lighter clamps or note that 125 mm is the largest standard bore offered. The 50 mm stroke sits well inside the 300 mm maximum standard stroke for this bore, so it ships as a standard build. Mount with FA/FB flanges, LB foot or FTC brackets on the ISO 21287 face, and add I or Y rod knuckles to the male thread. Remember that a plain double-rod cylinder drifts when air is lost - for a held load, pair it with a rod lock or pilot check valve. If you need position signals, this -S model already carries the magnet for CMSE / DMSE switches.
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 ACED125X50SB FAQ
Output is equal both ways because a rod exits each cover and both strokes use the rod-side area: 5890.5 N at 0.5 MPa, 8246.7 N at 0.7 MPa, and a maximum of 1201.3 kgf at 1.0 MPa. Pressure range is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof rating, speed 30-500 mm/s, and the 25 mm rod ends in a male thread on a 1/4" PT port.
The ISO 21287 short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, so a 125 mm bore fits tight heavy-duty fixtures. A fixed TPU bumper at each cover decelerates the piston at end of stroke; it is not adjustable and never holds a load. The -S magnet on this model accepts CMSE / DMSE reed or solid-state switches for position feedback, and FA/FB, LB or FTC mounting bolts straight to the standard face.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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