Airtac MAC Stainless Steel Mini Air Cylinder MAC32X125SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC32X125SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø32mm bore and 125mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service. A variable air cushion at both ends lets you tune end-of-stroke deceleration on site.
- BoreØ32 mm
- Stroke125 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC32X125SU
Flat, bolt-on mounting is the point of the U back cover: the rear face sits directly against a machine plate, shortening the stack-up on compact slides and retrofits. Inside, this is a full MAC specification - 32 mm bore, 125 mm stroke, 402 N of push and 345.6 N of pull at 0.5 MPa, rising to 563 N at 0.7 MPa, double acting with a variable cushion at each end.
Fluid is filtered air at 0.15-1.0 MPa (22-145 psi), proof tested to 1.5 MPa (215 psi), usable from -20 to +70 C. The barrel is drawn stainless steel rolled together with aluminium covers and a stainless block, so the body holds up where painted minis corrode, and the 12 mm rod carries a 20 um hard-chrome finish. Because the magnet is standard, a CMSG / DMSG / EMSG switch adds position feedback with no re-ordering. Budget about 241 N as the realistic working force at 0.5 MPa, enough for roughly 20 kg lifted vertically at a 2:1 margin.
Airtac MAC Stainless Steel Mini Air Cylinder MAC32X125SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC32X125SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 – 800 mm/s |
| Cushion | Variable air cushion, both ends |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MA-series datasheet. Barrel: stainless-steel tube (round-body, riveted rolling-packed construction); piston rod: carbon steel with 20µm hard-chrome plating; covers: aluminium alloy. Thread options: PT (blank) / G / NPT. Every MA-series cylinder ships with a built-in magnet for CMSG / DMSG / EMSG position sensors.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MAC Stainless Steel Mini Air Cylinder MAC32X125SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×125 | Stroke length in mm. |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
| CA / U / CM | Back-cover type: CA pivot, U flat-end, CM round-end. |
MA-family variants: MA / MAC (double acting ±cushion), MSA / MTA (single acting push / pull), MAD / MACD (double rod ±cushion), MAJ / MACJ (adjustable stroke ±cushion), MAR (cushioned with integrated F/U mount). Mounting accessories: FA flange, LB foot, SDB pivot; plus I and Y knuckles. Thread PT (blank) / G / NPT.
Where the Airtac MAC Stainless Steel Mini Air Cylinder MAC32X125SU Is Used
Pallet diverter at a transfer point
Cases are nudged 125 mm onto a takeaway belt; 402 N push at 0.5 MPa moves loaded cartons, and the flat U face mounts flush against the frame rail.
Height-check probe on a machining fixture
A gauge probe advances onto a machined face between cuts; the cushion tames the approach, and an EMSG switch verifies the retracted position before the next cycle.
Pump stroke in a water-testing rig
The stainless barrel stands up to condensation inside a sampling enclosure while the rod strokes a diaphragm pump through 125 mm at 30-800 mm/s.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC32X125SU the Right Cylinder?
Size against the neighbours: 25 mm delivers 245.3 N push at 0.5 MPa and 40 mm delivers 628.3 N, so 32 mm is the middle choice when a smaller bore runs out of force but the next size upsizes the budget. There is no spring return - when power drops the rod free-floats, so add a pilot check valve or rod lock for any suspended load. At 125 mm the slender rod should push, not steer; put the load on an external guide so the rod sees thrust only. The U cover plus optional FA flange, LB foot or SDB pivot bracket covers most frame styles, and I or Y rod knuckles adapt the rod end.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) is standard for sensors
- ✓ Back cover (CA/U/CM) & mount (FA/LB/SDB)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check On first run, back off the cushion screws and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MAC Stainless Steel Mini Air Cylinder MAC32X125SU FAQ
At 0.5 MPa: 402 N push, 345.6 N pull. At 0.7 MPa: 563 N push, 483.8 N pull. Theoretical ceiling 82 kgf at 1.0 MPa. Working range is 0.15-1.0 MPa (22-145 psi) with proof at 1.5 MPa (215 psi); ports are 1/8" and the 12 mm rod has an M10x1.25 male thread.
It gives a flat rear face that bolts straight to a plate, keeping the installed length short. Everything else matches the standard MAC: riveted stainless round barrel, variable air cushion at both ends, 30-800 mm/s speed, and a factory-fitted magnet for CMSG / DMSG / EMSG switches.
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