Airtac MAC Stainless Steel Mini Air Cylinder MAC20X50SCM
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X50SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 50mm 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.
- BoreØ20 mm
- Stroke50 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM8×1.25
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X50SCM
AirTAC's MAC20X50SCM pairs a 20 mm bore with a 50 mm stroke in a riveted round barrel, double acting so air both extends and retracts the rod, with a variable air cushion at each end. At 0.5 MPa it pushes 157 N and pulls 131.9 N, climbing to 219.8 N on the extend stroke at 0.7 MPa. The CM round-end back cover presents a clean pivot face for pin-mounted linkages, no extra brackets needed.
Its stainless barrel and hard-chrome plated rod (20 um) shrug off mild corrosion and washdown, a real edge over painted-steel minis in damp or food-area spots. The magnet comes built in, so CMSG, DMSG or EMSG switches clip straight onto the barrel. In practice, size real work at about 94 N per cylinder at 0.5 MPa - that 60% margin keeps a 50 mm stroke snappy all shift.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X50SCM Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X50SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 50 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 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 MAC20X50SCM
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×50 | 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 MAC20X50SCM Is Used
Capping head return
Capping heads on a small bottling line: 157 N at 0.5 MPa seats 30 mm screw caps, and the end cushions stop the 50 mm stroke without jarring the bottles.
Sorting kicker
Kicker arms that push cartons off a conveyor lane: the 20 mm bore has punch for light cartons at 30-800 mm/s, and dual cushions keep the lane quiet.
Sample tray lift
Lifting sample trays between lab-station levels: this cylinder lifts about 8 kg vertically with a 2:1 margin at 0.5 MPa, plenty for plastic tray stacks.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X50SCM the Right Cylinder?
For this 50 mm stroke, a 16 mm bore pushes 100.5 N at 0.5 MPa - pick it if your load stays under about 60 N. Step up to the 25 mm bore (245.3 N push) if the 20 mm runs short. Remember a plain MAC drifts the moment air drops, so add a rod lock or pilot check valve for held loads. The CM back cover suits pivot pins, and FA flange, LB foot or SDB pivot brackets bolt on if your frame needs them.
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 MAC20X50SCM FAQ
At 0.5 MPa it pushes 157 N and pulls 131.9 N; at 0.7 MPa the push rises to 219.8 N and pull to 184.7 N. The theoretical maximum at 1.0 MPa is 32 kgf. Ports are 1/8 inch and the rod thread is M8x1.25.
It gives a rounded pivot face for pin-mounted linkages, so the cylinder swings with the mechanism without extra clevis brackets. Running faster than about 300 mm/s with heavier loads? Open the cushion needle screws gradually to tame end-of-stroke shock.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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