Airtac ACE Compact Cylinder ACE50X70SB
The AirTAC Airtac ACE Compact Cylinder ACE50X70SB is a genuine double acting ISO 21287 compact air cylinder with a Ø50mm bore and 70mm stroke, 1/8" 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.
- BoreØ50 mm
- Stroke70 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.5
- 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 ACE Compact Cylinder ACE50X70SB
This AirTAC ACE50X70SB is a double acting ISO 21287 compact cylinder, with a 50 mm bore and a 70 mm stroke. It delivers 981.7 N of push force and 881.2 N of pull force at 0.5 MPa, making it a solid mid-range choice for automated assembly. The short body saves about 50% of the mounting length of an ISO 15552 profile cylinder, which lets you fit it into tight machine frames and guarding where a full-length unit will not go.
A 50 mm bore cylinder at 0.5 MPa can safely handle about 60 kg of real working load if you apply a 0.6 safety factor, so it suits lifting or pressing parts in that weight class. This model includes the optional -S magnet, so CMSE or DMSE reed and solid-state switches can be mounted directly on the body for position sensing. The hard-anodized aluminium body and S45C hard-chrome plated rod resist wear in continuous cycling, and the fixed TPU bumper at each end absorbs end-of-stroke impact.
Airtac ACE Compact Cylinder ACE50X70SB Technical Specifications
| Model | Airtac ACE Compact Cylinder ACE50X70SB |
|---|---|
| Series | ACE compact cylinder |
| Standard | ISO 21287 |
| Bore size | Ø50 mm |
| Stroke | 70 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.5 |
| 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 250 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | 1234 N |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac ACE Compact Cylinder ACE50X70SB
| ACE | ISO 21287 compact cylinder (double-acting). |
|---|---|
| 50 | 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 ACE Compact Cylinder ACE50X70SB Is Used
Fixture Clamping
Clamp a 50 kg workpiece in a CNC milling fixture using the 981.7 N push force at 0.5 MPa, with the compact body fitting under a machine guard.
Parcel Stops
Operate a stop gate on a parcel sorting conveyor, cycling at up to 500 mm/s to divert boxes weighing up to 60 kg without slowing the line.
Press Ram
Drive a small arbor press for inserting bushings into aluminum housings, relying on the 1374.4 N push at 0.7 MPa for consistent seating force.
Is the Airtac ACE Compact Cylinder ACE50X70SB the Right Cylinder?
For lighter duty, an ACE40X70 with 628.3 N push at 0.5 MPa saves space and cost, while an ACE63X70 with 1558.6 N push gives a 58% force increase if your application needs more margin. This ACE50X70SB has a male rod thread (B) and a 1/8" port, so it connects directly to standard fittings. The optional -S magnet is fitted, enabling CMSE or DMSE sensors for reliable position feedback; without the magnet, reed switches cannot be used. Mounting options include FA/FB flange, LB foot, CA/CB clevis, CR, SDB pivot, and FTC brackets, all compatible with the ISO 21287 face. Remember that this cylinder is double acting and will not hold its position when air pressure is lost; use a rod lock or pilot check valve if load holding is required.
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 ACE Compact Cylinder ACE50X70SB FAQ
At 0.5 MPa, push force is 981.7 N and pull force is 881.2 N. At 0.7 MPa, push is 1374.4 N and pull is 1233.7 N. The theoretical maximum force is 200.2 kgf at 1.0 MPa. Operating pressure range is 0.15-1.0 MPa (22-145 psi), and proof pressure is 1.5 MPa (215 psi).
The ACE50X70SB body is about 50% shorter than an ISO 15552 profile cylinder of the same bore, so it fits into machine frames, guarding, and gantries where a full-length cylinder would not. It uses a fixed TPU bumper at both ends to absorb impact, and the optional -S magnet allows CMSE or DMSE sensors for position feedback.
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Covers non-human-caused product damage.
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