Airtac MGC Stainless Steel Mini Cylinder MGC20X60S
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC20X60S is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 60mm stroke, M5×0.8 air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ20 mm
- Stroke60 mm
- Port sizeM5×0.8
- Acting typeDouble acting + cushion
- Rod threadM8×1.25
- CushionVariable air cushion, both ends
About the Airtac MGC Stainless Steel Mini Cylinder MGC20X60S
The AirTAC MGC20X60S is a double acting, JIS-standard round-body mini cylinder with a 20 mm bore and 60 mm stroke, fitted with a variable air cushion at both stroke ends. Unlike a fixed bumper pad, the adjustable cushion needle lets you dial in smooth deceleration near end of travel, so this compact cylinder tolerates higher piston speeds and heavier moving loads without hammering the covers. At 0.5 MPa it delivers 157 N push and 131.9 N pull, rising to 219.8 N push at 0.7 MPa, with a theoretical maximum of 32 kgf at 1.0 MPa. The S suffix means a magnet is built into the piston, so CMSG, DMSG or EMSG reed switches can be clipped on for position feedback.
Construction follows the JIS mini-cylinder footprint: a SUS304 stainless barrel with covers and stainless block riveted and rolled into place, plus a hard-chrome plated (20 um) carbon-steel rod and a two-way piston seal that also stores lubricant. It runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), withstands 1.5 MPa (215 psi) proof pressure, operates from -20 to +70 C, and covers speeds of 30-800 mm/s. Ports are M5x0.8, the male rod thread is M8x1.25 on an 8 mm rod, and mounting options include FA flange, LB foot, and I or Y rod knuckles. Note that the air cushion only decelerates the stroke end; it is not a lock or brake, so use an external rod lock or pilot check valve if the load must be held on air loss.
Airtac MGC Stainless Steel Mini Cylinder MGC20X60S Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC20X60S |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 60 mm |
| Acting type | Double acting + cushion |
| Port size | M5×0.8 |
| 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 MG-series (JIS standard) datasheet. Barrel: SUS304 stainless steel (round-body, riveted construction); piston rod: carbon steel with 20µm hard-chrome plating. Thread options: PT (blank) / G / NPT.
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 MGC Stainless Steel Mini Cylinder MGC20X60S
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×60 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
| FA / LB | Mounting: FA flange, LB foot. |
MG-family variants: MG / MGC (double acting ±cushion), MSG / MTG (single acting push / pull), MGD / MGCD (double rod ±cushion). Accessories: LB foot, FA flange, plus I and Y knuckles. Thread PT (blank) / G / NPT.
Where the Airtac MGC Stainless Steel Mini Cylinder MGC20X60S Is Used
Small-parts ejection on assembly stations
The variable air cushion lets this 20 mm bore cylinder run at brisk cycle speeds while ejecting light parts, decelerating smoothly at stroke end instead of slamming, and the fitted magnet supports CMSG switch position checks.
Conveyor divert and stopper actuation
With 157 N push at 0.5 MPa and 30-800 mm/s speed range, the MGC20X60S is suited to diverting or stopping small packages on light conveyor lines, where the adjustable cushion protects the tooling from repeated end-of-stroke shock.
Indexed clamping with position feedback
The built-in magnet accepts CMSG, DMSG or EMSG switches at both ends of the 60 mm stroke, making this cylinder a compact choice for clamping or indexing fixtures that need confirmed extend and retract signals.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC20X60S the Right Cylinder?
At 20 mm bore this is the smallest MGC, so there is no cushioned step down; if 157 N of push at 0.5 MPa is more than you need and your speeds are low, the plain bumper-type MG in the same bore is the no-cushion alternative. If you need more force with the same adjustable cushion, step up to the 25 mm bore (245.3 N push at 0.5 MPa) or 32 mm bore (402.2 N). Size conservatively: 157 N at 0.5 MPa is roughly 16 kgf, so apply the usual 0.6 factor for a safe working load of about 9.6 kg horizontally, or around 8 kg for vertical lifting. The 60 mm stroke sits well inside the 500 mm maximum standard stroke, so this is a catalog item with no made-to-order wait. Choose the S suffix (as here) if you need CMSG/DMSG/EMSG sensing, and pick FA flange or LB foot mounting plus I or Y rod knuckles to suit your fixture. With only an 8 mm rod, keep side loads low or guide the load externally, especially on longer strokes.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Mounting (LB / FA) & knuckle
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 and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MGC Stainless Steel Mini Cylinder MGC20X60S FAQ
At 0.5 MPa the 20 mm bore gives 157 N push and 131.9 N pull; at 0.7 MPa it gives 219.8 N push and 184.7 N pull. The theoretical maximum force is 32 kgf at 1.0 MPa. For sizing, treat about 0.6 of the 0.5 MPa push force as a safe working load, roughly 9.6 kg horizontally or about 8 kg for vertical lift.
The cushion is adjustable, not a fixed pad: a needle valve at each stroke end throttles the exhaust air to decelerate the piston smoothly, which is why the MGC handles higher speeds and heavier moving loads than the bumper-type MG. The cushion only slows the stroke end; it is not a lock or brake, and the cylinder will not hold position on air loss, so add an external rod lock or pilot check valve for a held load.
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