Airtac MGC Stainless Steel Mini Cylinder MGC25X100
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC25X100 is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 100mm stroke, 1/8" air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ25 mm
- Stroke100 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MGC Stainless Steel Mini Cylinder MGC25X100
The AirTAC MGC25X100 is a double acting, JIS-standard round-body mini cylinder with a 25 mm bore and 100 mm stroke, built with a variable air cushion at both stroke ends. Unlike the bumper-type MG, this cushion is adjustable: turn the needle valve to dial in smooth piston deceleration near end of travel, so the cylinder can run at higher speeds or move heavier loads without hammering the covers. At 0.5 MPa it delivers 245.3 N push and 206.1 N pull, rising to 343.4 N push at 0.7 MPa, with a theoretical maximum of 50 kgf at 1.0 MPa.
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. Operating pressure is 0.15-1.0 MPa (22-145 psi) with proof pressure 1.5 MPa (215 psi), fluid is air filtered to 40 um, temperature range -20 to +70 C, and speed range 30-800 mm/s. Ports are 1/8", the male rod thread is M10x1.25, and the rod is 10 mm. As a rule of thumb, size the working load at about 0.6 of the push force, roughly 15 kg here, and about 12 kg for vertical lifting.
Airtac MGC Stainless Steel Mini Cylinder MGC25X100 Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC25X100 |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 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 MGC25X100
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | 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 MGC25X100 Is Used
Conveyor stop and divert
The adjustable air cushion absorbs fast-arriving packages or pallets at stroke end, letting the 25 mm bore cycle at higher conveyor speeds without cover impact.
Small assembly press
With 245.3 N push at 0.5 MPa (343.4 N at 0.7 MPa), it presses clips, bearings and labels in compact fixtures, while the cushion softens the approach into the part.
Packaging eject and push-off
Pushes cartons or trays off a filling or wrapping station; the cushioned end of stroke protects the mechanism during rapid 30-800 mm/s cycling.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC25X100 the Right Cylinder?
Bore 25 mm is the second-smallest MGC size: at 0.5 MPa it pushes 245.3 N (about 25 kgf), a step up from the 157.0 N of the bore 20 MGC, and below the 402.2 N of the bore 32. If you do not need end-of-stroke deceleration, the plain bumper MG in the same 25 mm bore is the no-cushion alternative. The variable air cushion at both ends is the reason to choose MGC when the load arrives fast or heavy. Mounting options are FA flange and LB foot, with I and Y rod knuckles available; the PT thread version is standard, with G and NPT variants offered. This model has no magnet fitted, so no magnetic sensor can be mounted; add the S code (MGC25X100S) if you need CMSG, DMSG or EMSG position sensing. The 100 mm stroke is well within the 500 mm maximum standard stroke; longer strokes up to 800 mm are made to order. On long strokes, guide the load externally to keep side load off the 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 MGC25X100 FAQ
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa, push is 343.4 N and pull 288.5 N. The theoretical maximum is 50 kgf at 1.0 MPa. For a safe working load, apply about 0.6 to the push force, roughly 15 kg, or about 12 kg for vertical lifts.
The cushion is an adjustable air chamber at each stroke end: a needle valve meters exhaust flow to decelerate the piston smoothly, so you can tune it for the speed and mass of each application. It only decelerates end of travel; it is not a lock or brake, and the MGC does not hold position on air loss. Use an external rod lock or pilot check valve for a held load. The SUS304 stainless barrel and hard-chrome rod suit washdown-prone areas, and FA flange or LB foot mounting plus I/Y knuckles cover most setups.
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