Airtac MAC Stainless Steel Mini Air Cylinder MAC32X155SCM
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC32X155SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø32mm bore and 155mm 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
- Stroke155 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 MAC32X155SCM
Round-end CM back cover and a 155 mm stroke make the MAC32X155SCM an easy drop-in for fixed, bolted mounts where a pivot eye is not wanted. As a double acting mini cylinder it pushes 402 N and pulls 346 N at 0.5 MPa, with a variable air cushion at each end that you tune through needle screws to soften stops on fast or heavy moves.
Wet, splashy corners are where the riveted stainless barrel and 20 um hard-chrome plated rod earn their keep, resisting the mild corrosion that peels painted mini cylinders in washdown zones, food cells and outdoor cabinets. The magnet is a standard inclusion, so CMSG, DMSG or EMSG switches drop straight on without a special piston. Worked through, the 402 N rating supports about 241 N of continuous work at 0.5 MPa and corresponds to lifting roughly 41 kg vertically, or about 20 kg with a 2:1 safety factor.
Airtac MAC Stainless Steel Mini Air Cylinder MAC32X155SCM Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC32X155SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 155 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 MAC32X155SCM
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×155 | 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 MAC32X155SCM Is Used
Retort and oven latch push
Crack and seat oven or retort latches with 402 N of push, where the stainless body tolerates steam and washdown around the cell.
Tote divert on a takeaway belt
Angle totes off a takeaway conveyor at up to 800 mm/s, with the CM round-end cover bolting flat to the conveyor side rail.
Case flap hold-down
Press folding flaps on a carton sealer; about 241 N of working force at 0.5 MPa holds flaps in place while hot-melt cures.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC32X155SCM the Right Cylinder?
Compare forces before committing: the 25 mm MAC manages only 245 N push at 0.5 MPa, this 32 mm bore gives 402 N, and the 40 mm MAC lifts that to 628 N. If the load must hold position with the valve centred, note that a plain MAC will drift - add a rod lock or pilot check valve for that duty. The CM round-end cover suits fixed frames, while FA flange, LB foot and SDB pivot brackets cover the rest; MA (plain bumper double acting), MACD (double rod), MACJ (adjustable cushion) and MAR (integrated mount) are nearby options when the duty changes. On the long 155 mm stroke, guide any side load externally so the 12 mm rod is not bent.
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 MAC32X155SCM FAQ
It is rated 402.2 N push and 345.6 N pull on 0.5 MPa air, climbing to 563.0 N push at 0.7 MPa, with an 82 kgf theoretical ceiling at 1.0 MPa. Pressure range is 0.15-1.0 MPa (22-145 psi) and proof pressure 1.5 MPa (215 psi). Ports are 1/8 inch, the rod thread is M10x1.25 on a 12 mm rod, and the 155 mm stroke sits well inside the 500 mm standard limit for this bore.
The round barrel is stainless steel rolled into aluminium-alloy covers, and the 12 mm rod carries 20 um of hard chrome, so splashes, humidity and outdoor exposure cause far less trouble than on painted-steel mini cylinders. For hose-down zones, confirm your media and temperature range (-20 to +70 C, air filtered to 40 um) against the process first.
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