Airtac MGC Stainless Steel Mini Cylinder MGC20X100
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC20X100 is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 100mm 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
- Stroke100 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 MGC20X100
The AirTAC MGC20X100 is a JIS-standard round-body mini cylinder, double acting, with a 20 mm bore and 100 mm stroke. What sets the MGC apart from the bumper-type MG is the variable air cushion at both stroke ends: turn the cushion needle to dial in smooth deceleration of the piston near end of travel, so this small cylinder can run at higher speeds or move heavier 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.
Construction follows the classic JIS mini format: covers and a stainless block are riveted and rolled onto a SUS304 stainless barrel, with a hard-chrome plated (20 um) carbon-steel rod and a two-way piston seal that also stores lubricant. Air supply should be filtered to 40 um; operating pressure is 0.15-1.0 MPa (22-145 psi) with proof pressure 1.5 MPa (215 psi), temperature range -20 to +70 C, and speed 30-800 mm/s. Ports are M5x0.8 and the male rod thread is M8x1.25. As a rule of thumb, keep vertical lifting loads to about 0.6 of the push force, roughly 9 kg here. Note that the 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 MGC20X100 Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC20X100 |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 100 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 MGC20X100
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×100 | 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 MGC20X100 Is Used
Small parts ejection
Pushing finished components off a fixture or nest at the end of a cycle, where the variable air cushion stops the 157 N push stroke cleanly instead of bouncing the part.
Light diverting and stopping
Deflecting or stopping small packages on a conveyor at higher line speeds, with the adjustable cushion absorbing the moving load at end of travel.
Compact clamping
Clamping or positioning jigs in tight machine envelopes, where the 20 mm bore round body and M5x0.8 ports fit compact JIS layouts.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC20X100 the Right Cylinder?
At 20 mm bore this is the smallest MGC, so there is no smaller cushioned option in the family; if you need more force, step up to the 25 mm bore (245.3 N push at 0.5 MPa) or larger. If your application runs slowly with light loads and does not need end-of-stroke deceleration, the plain bumper-type MG in the same 20 mm bore is the lower-cost alternative for bores 20 to 40. Choose the MGC when speed or moving mass would otherwise slam the covers. The 100 mm stroke sits well inside the 500 mm maximum standard stroke for this bore, and non-standard strokes up to 800 mm are made to order. Mounting is FA flange or LB foot, with I and Y rod knuckles available. Add the S code (MGC20X100S) if you need position sensing with CMSG, DMSG or EMSG switches; without the magnet no sensor can be mounted. For long strokes, guide side loads externally to protect the 8 mm rod.
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 MGC20X100 FAQ
At 0.5 MPa it pushes with 157 N and pulls with 131.9 N. At 0.7 MPa those rise to 219.8 N push and 184.7 N pull. The theoretical maximum force at 1.0 MPa is 32 kgf. For safe vertical lifting, keep the load to about 0.6 of the push force, roughly 9 kg.
Yes, the MGC has a variable air cushion at both ends: adjust the needle to control deceleration near end of stroke, which suits higher speeds and heavier moving loads. The cushion only slows the piston; it is not a lock or brake, and the cylinder will not hold position on air loss. For a held load, fit an external rod lock or pilot check valve.
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