Airtac MGC Stainless Steel Mini Cylinder MGC20X75
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC20X75 is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 75mm 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
- Stroke75 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 MGC20X75
The AirTAC MGC20X75 is a double acting, JIS-standard round-body mini cylinder with a 20 mm bore and 75 mm stroke, fitted with a variable air cushion at both stroke ends. Unlike the bumper-style MG, the cushion needle can be adjusted to decelerate the piston smoothly near end of travel, so this 20 mm bore handles 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.
Construction follows the MG family recipe: a SUS304 stainless barrel with covers and stainless block riveted and rolled onto it, plus a hard-chrome plated (20 um) carbon-steel rod and a two-way piston seal that also stores lubricant. The air supply should be filtered to 40 um, operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), temperature range -20 to +70 C, and speed range 30-800 mm/s. Ports are M5x0.8, the male rod thread is M8x1.25 on an 8 mm rod, and mounting is via FA flange or LB foot with I and Y rod knuckles available. Note that the cushion only decelerates end of stroke; 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 MGC20X75 Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC20X75 |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 75 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 MGC20X75
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×75 | 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 MGC20X75 Is Used
High-cycle small-part ejection
Pushing small parts off a conveyor or chute at speed benefits from the adjustable air cushion, which decelerates the piston before the covers instead of slamming them at up to 800 mm/s.
Light clamping and press-fit assist
With 157 N push at 0.5 MPa (219.8 N at 0.7 MPa), the 20 mm bore suits light clamping fixtures and small press or insert operations where smooth end-of-stroke settling matters.
Compact lift-and-lower modules
A cushioned 75 mm stroke works well in compact lifting stations handling parts up to about 8 kg vertically, with the cushion softening the landing at both ends of travel.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC20X75 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 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 bumper-type MG in the same 20 mm bore is the no-cushion alternative. Size by real force: 157 N push at 0.5 MPa gives roughly 16 kgf, and a safe vertical lift figure is about 8 kg (roughly 0.6 of the push force). The 75 mm stroke is well inside the 500 mm maximum standard stroke for this bore. Add the S code if you want position sensing with CMSG, DMSG or EMSG switches; this MGC20X75 has no magnet fitted, so no sensor can be mounted as-is. Choose FA flange or LB foot mounting, and for long strokes guide the rod against side loads externally.
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 MGC20X75 FAQ
At 0.5 MPa it produces 157 N push and 131.9 N pull; at 0.7 MPa, 219.8 N push and 184.7 N pull. The theoretical maximum is 32 kgf at 1.0 MPa. A practical rule of thumb is about 0.6 of the 0.5 MPa push force, so roughly 8 kg for a vertical lift.
The cushion needle at each end is adjusted to throttle exhaust air and decelerate the piston smoothly near end of stroke; it is adjustable, not a fixed bumper pad, and it does not lock or hold the load on air loss. This MGC20X75 has no magnet, so no sensor can be fitted; order the S version to use CMSG, DMSG or EMSG switches.
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