Airtac MAC Stainless Steel Mini Air Cylinder MAC20X30SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X30SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 30mm 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
- Stroke30 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 MAC20X30SCA
Short, pivot-mounted and quick to fit, the MAC20X30SCA swings links and levers through 30 mm instead of forcing straight-line mounts. This 20 mm bore extends with 157 N and retracts with 131.9 N at 0.5 MPa - call it about 94 N of dependable working force once you keep a margin.
Inside, a two-way piston seal stores grease while the stainless barrel and hard-chrome rod hold up in humid or lightly washed areas. Needle screws at both ends let you tune the variable air cushion, so a fast 30 mm jab does not hammer the covers. The magnet fitted as standard pairs with CMSG / DMSG / EMSG switches for end-position checks.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X30SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X30SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 30 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 MAC20X30SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×30 | 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 MAC20X30SCA Is Used
Jig swing clamp
The CA pivot end swings a clamp arm 30 mm onto small machined parts; 157 N at 0.5 MPa holds light fixtures closed.
Autosampler arm actuator
Short 30 mm stroke lifts and lowers a sample probe; the stainless body handles lab washdown and reagent splashes.
Valve toggle driver
Pivot-mounted rod flips a ball-valve toggle between positions; cushioned ends protect the linkage at speed.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X30SCA the Right Cylinder?
Size by force at 0.5 MPa: 16 mm gives 100.5 N, this 20 mm gives 157 N, and 25 mm reaches 245.3 N. Keep within about 94 N of working thrust for reliable cycling. Note the MAC cannot hold a load when air is removed - the rod drifts - so add a pilot check valve or rod lock if the position must stay put.
The CA pivot back cover suits swing links and rotating clamps; switch to the U flat end or CM round end, or add FA flange, LB foot or SDB pivot brackets for fixed frames. The 1/8" port comes as PT standard; specify G or NPT if your fittings need them. With only 30 mm of travel, side load is rarely an issue, but the standard magnet still allows CMSG / DMSG / EMSG sensing.
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 MAC20X30SCA FAQ
At 0.5 MPa: 157 N extend, 131.9 N retract. At 0.7 MPa: 219.8 N extend, 184.7 N retract. The theoretical top figure is about 32 kgf at 1.0 MPa. Operating band is 0.15-1.0 MPa (22-145 psi) with 30-800 mm/s speed.
No. Every MAC ships with the magnet built into the piston as standard, so CMSG, DMSG or EMSG switches mount on the barrel and read extend or retract without a special-order piston.
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