Airtac MAC Stainless Steel Mini Air Cylinder MAC20X210SCM
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X210SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 210mm 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
- Stroke210 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 MAC20X210SCM
Jigs, clamps and small gantries that need long reach get 210 mm of it from this 20 mm MAC, a double-acting mini cylinder with variable cushions at each end. Expect 157 N push and 131.9 N pull at 0.5 MPa, rising to 219.8 N push at 0.7 MPa, through 1/8" ports. Back the cushion needles off on first run-up, then close them gradually to tune the deceleration.
Built the AirTAC mini way: a rolled, riveted stainless barrel with aluminium covers and a hard-chrome carbon-steel rod that tolerates splashes and humidity better than painted bodies. Full-pressure theoretical force peaks near 32 kgf, but sizing around 94 N at 0.5 MPa keeps the mechanism healthy for years. The CM round-end back cover bolts flat where a pivot would wander, and the standard magnet accepts CMSG / DMSG / EMSG switches without a special-order piston.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X210SCM Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X210SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 210 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 MAC20X210SCM
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×210 | 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 MAC20X210SCM Is Used
Ejector on a small stamping press
The CM round-end cover bolts the body flat to the press frame; 219.8 N at 0.7 MPa ejects light blanks over the full 210 mm stroke.
Sample tray indexer in a lab line
Mild detergents in splash zones do not pit the stainless barrel, and DMSG switches confirm each tray park along the 210 mm travel.
Case diverter at a sorter exit
Swung from an SDB pivot bracket, the cylinder flicks lightweight cartons off the lane, with cushions tuned so the arm stops without clatter.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X210SCM the Right Cylinder?
Compare before you commit: 16 mm bore tops out at 100.5 N push at 0.5 MPa and 25 mm bore reaches 245.3 N, so this 20 mm sits squarely between them. At 210 mm the 8 mm rod is long for its diameter - keep the load guided and side-force free, or choose the 25 mm MAC for its 10 mm rod. The CM round-end cover suits bolt-on fixing; SDB pivot, FA flange or LB foot brackets bolt on when the frame needs them. If the load must stay put on air loss, fit a rod lock or pilot check valve, because the cylinder itself will not hold position.
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 MAC20X210SCM 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 ceiling is 32 kgf of theoretical force at 1.0 MPa, within an operating pressure of 0.15-1.0 MPa (22-145 psi).
Yes - variable air cushions sit at both ends. Open the needles fully at commissioning, then close them stepwise until end-of-stroke knock stops; rated speed spans 30-800 mm/s.
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