Airtac MAC Stainless Steel Mini Air Cylinder MAC20X230SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X230SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 230mm 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
- Stroke230 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 MAC20X230SCA
A 230 mm reach on a compact 20 mm bore is the territory of the MAC20X230SCA, a double acting mini cylinder whose CA pivot back cover lets the rod follow an arc as the machine cycles. It runs on 0.15-1.0 MPa (22-145 psi) air, producing 157 N of extension force and 131.9 N of retraction at 0.5 MPa, with a variable air cushion softening both ends of travel.
Inside, a stainless-steel barrel is roll-packed with aluminium-alloy covers around a hard-chrome plated carbon-steel rod, a combination that stands up to washdown and outdoor damp far better than painted minis. The piston magnet is factory-fitted, so CMSG / DMSG / EMSG switches mount without special ordering. A practical rule of thumb: count on about 94 N of real working force at 0.5 MPa, which vertically lifts about 8 kg with a 2:1 margin.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X230SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X230SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 230 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 MAC20X230SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×230 | 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 MAC20X230SCA Is Used
Deflector flap on a grain transfer chute
The pivot back cover tracks the flap's arc as it diverts grain between two spouts, and 157 N at 0.5 MPa is plenty for a light stainless flap working against modest product pressure.
Swing clamp arm on a welding fixture
A 230 mm stroke clears the fixture for loading, then the arm swings down onto the bracket; the cushions absorb the clamping contact instead of the covers.
Movable guide rail on a bottle infeed
The cylinder tilts an entry guide to centre different bottle formats, with a CMSG switch on the standard magnet signalling that the rail is fully seated.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X230SCA the Right Cylinder?
The 16 mm bore (100.5 N push at 0.5 MPa) covers lighter duties; move to the 25 mm bore (245.3 N) if this one stalls under load. Ports are 1/8" and the male rod thread is M8x1.25, with working speeds of 30-800 mm/s. Because the CA pivot lets the cylinder follow an arc, side bending on the 8 mm rod is reduced, though long strokes still deserve external guiding for heavy or offset loads. Remember the piston is free to drift when air pressure disappears - a rod lock or pilot check valve holds position instead. The pivot pairs with SDB brackets, or choose LB foot and FA flange mounts for fixed frames.
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 MAC20X230SCA FAQ
At 0.5 MPa the 20 mm bore generates 157 N pushing and 131.9 N pulling. Raise supply to 0.7 MPa and it becomes 219.8 N push and 184.7 N pull, while the theoretical ceiling at 1.0 MPa is 32 kgf. Operating range is 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi).
Back the cushion needle screws fully off, run the cylinder slowly through its 230 mm stroke, then close each needle gradually until end-of-stroke knock disappears. This lets you raise speeds toward the 30-800 mm/s range without shock loading the covers.
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