Airtac MAC Stainless Steel Mini Air Cylinder MAC20X100SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X100SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 100mm 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
- Stroke100 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 MAC20X100SU
A U flat-end back cover makes the MAC20X100SU easy to fixture flush against a machine plate. Double acting with a variable air cushion at each end, it pushes 157 N and pulls 132 N at 0.5 MPa over its 100 mm stroke. Halve the 16 kgf thrust for a 2:1 margin and it lifts about 8 kg vertically, a handy figure when matching real part weights.
Inside is a rolled stainless barrel with a hard-chrome plated carbon-steel rod, so mild corrosion and washdown are non-events compared with painted-steel minis. Speed runs 30-800 mm/s on air at 0.15-1.0 MPa (22-145 psi). Every unit carries its magnet as standard, letting CMSG, DMSG or EMSG switches snap on for end-of-stroke signals.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X100SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X100SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 100 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 MAC20X100SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×100 | 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 MAC20X100SU Is Used
Jig clamping on a lathe
Clamps small turned parts in a second-operation fixture, the U flat-end cover bolting flat to the jig body with 157 N of squeeze.
Chip-drawer slide
Opens and closes a swarf drawer under a CNC machining centre, about 8 kg of vertical lift capability handling the loaded drawer.
Presence pusher
Nudges components past a vision camera on an electronics line, a CMSG switch on the standard magnet confirming full extension.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X100SU the Right Cylinder?
Compare before ordering: the 16 mm bore pushes 100 N at 0.5 MPa while the 25 mm bore manages 245 N, so step up if your load sits near the limit. Note that a plain MAC will not hold position when the valve centres - the rod coasts - so add a rod lock for held loads. Mount through the flat-end cover screwed to a plate, or bolt on FA flange, LB foot or SDB pivot hardware, and open the cushion needles fully before first cycling.
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 MAC20X100SU FAQ
Push at 0.5 MPa is 157 N and pull 132 N. At 0.7 MPa push reaches 220 N, and the theoretical maximum at 1.0 MPa is 32 kgf. Pressure range is 0.15-1.0 MPa (22-145 psi); bore 20 mm, stroke 100 mm, rod thread M8x1.25, port 1/8 inch.
Needle screws at both ends bleed the cushion chambers. On commissioning back them fully off, then close gradually until end-of-stroke noise and recoil disappear, letting you raise speed toward 800 mm/s without hammering the covers.
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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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