Airtac MGC Stainless Steel Mini Cylinder MGC25X100S
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC25X100S 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 MGC25X100S
The MGC25X100S is a double acting, JIS-standard round-body mini cylinder with a 25 mm bore and 100 mm stroke, fitted with a variable air cushion at both stroke ends. Unlike the bumper-type MG, the cushion needles let you dial in smooth deceleration near end of travel, so this cylinder tolerates higher piston speeds (up to 800 mm/s) and heavier moving 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 footprint: a SUS304 stainless barrel with covers and stainless block riveted and rolled into place, plus a hard-chrome plated (20 um) 10 mm rod with an M10x1.25 male thread and a two-way piston seal that also stores lubricant. The fitted magnet (the S in the code) accepts CMSG, DMSG or EMSG switches for position feedback. A practical sizing insight: the 245.3 N push force equals about 25 kgf, so a safe vertical lifting figure is roughly 12 kg using the 0.6 rule of thumb. Operating range is 0.15-1.0 MPa (22-145 psi) with air filtered to 40 um, from -20 to +70 C.
Airtac MGC Stainless Steel Mini Cylinder MGC25X100S Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC25X100S |
|---|---|
| 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 MGC25X100S
| 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 MGC25X100S Is Used
Fast-cycle push stations
The variable air cushion absorbs piston momentum at 30-800 mm/s, letting small assembly pushers run at high speed without cover impact or jolt to the workpiece.
Conveyor divert and stopper
With 245.3 N push at 0.5 MPa (about 25 kgf), the 25 mm bore parts or stops light cartons on small conveyor lines, and the cushion prevents bounce at stroke end.
Packaging clamp and eject
Double acting control in both directions plus adjustable deceleration makes this cylinder a fit for clamp-and-eject motions on packaging and labeling heads.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC25X100S the Right Cylinder?
At 25 mm bore the MGC25X100S sits one step above the 20 mm entry point (157.0 N push at 0.5 MPa) and below the 32 mm (402.2 N), so it suits medium-force mini applications. If you do not need end-of-stroke deceleration, the bumper-type MG in the same bore is the no-cushion alternative for 20-40 mm bores; for the largest cushioned bores, MGC goes up to 63 mm (1557.9 N push at 0.5 MPa). The variable air cushion is the key benefit here: adjust the needle to soften arrival at both ends when running fast cycles or moving heavier loads. Mounting is FA flange or LB foot, with I and Y rod knuckles available; the -S magnet enables CMSG/DMSG/EMSG sensing. The 100 mm stroke is well within the 500 mm standard range for this bore, but keep side loads off the rod on longer strokes and use external guidance.
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 MGC25X100S FAQ
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa that rises to 343.4 N push and 288.5 N pull. The theoretical maximum is 50 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi) with proof pressure of 1.5 MPa (215 psi).
The cushion is an adjustable air cushion at both stroke ends: turn the needle to control deceleration near end of travel, ideal for higher speeds or heavier moving loads. It only slows the piston, it is not a brake or lock, and the cylinder will not hold position on air loss, so use an external rod lock or pilot check valve for a held load.
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