Airtac MGC Stainless Steel Mini Cylinder MGC25X225S
The AirTAC Airtac MGC Stainless Steel Mini Cylinder MGC25X225S is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 225mm 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
- Stroke225 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 MGC25X225S
The AirTAC MGC25X225S is a JIS-standard round-body mini cylinder, double acting, with a variable air cushion at both stroke ends. Unlike the bumper-type MG, the cushion needles let you dial in end-of-stroke deceleration, so this 25 mm bore model can run at higher piston speeds and 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. As a rule of thumb, halve the 0.5 MPa push force for vertical lifting: about 12 kg safe working load.
Construction follows the JIS mini footprint: a SUS304 stainless barrel with covers and stainless block riveted and rolled onto it, plus a hard-chrome plated (20 um) carbon-steel rod with a two-way piston seal that also stores lubricant. It is not a tie-rod or profile cylinder. The 225 mm stroke is well inside the 500 mm standard range for this bore, and the fitted magnet (the S code) allows CMSG, DMSG or EMSG switch mounting. Ports are 1/8" with an M10x1.25 male rod thread, and mounting is via FA flange or LB foot, with I and Y rod knuckles available.
Airtac MGC Stainless Steel Mini Cylinder MGC25X225S Technical Specifications
| Model | Airtac MGC Stainless Steel Mini Cylinder MGC25X225S |
|---|---|
| Series | MGC JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 225 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 MGC25X225S
| MGC | JIS round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×225 | 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 MGC25X225S Is Used
High-speed part ejection
Pushing finished parts off a conveyor or chute at up to 800 mm/s, where the variable air cushion stops the 245.3 N push stroke smoothly instead of hammering the end cover.
Packaging pusher stations
Transferring cartons or trays between lanes in packaging machinery, with the adjustable cushion tuned to the load so lighter packs do not bounce and heavier ones do not slam.
Small press and clamp fixtures
Clamping or light staking jigs needing 343.4 N at 0.7 MPa, with CMSG or DMSG switches on the -S magnet confirming extend and retract positions.
Is the Airtac MGC Stainless Steel Mini Cylinder MGC25X225S the Right Cylinder?
At 25 mm bore this sits one step up from the smallest MGC (20 mm, 157.0 N push at 0.5 MPa) and one step below the 32 mm (402.2 N). If you need more force, the 40 mm gives 628.3 N, and the 50/63 mm bores (981.3 N / 1557.9 N) are offered only in the cushioned MGC family. If you do not need cushioning, the plain bumper MG covers 20 to 40 mm as the no-cushion alternative. Choose the MGC25X225S when your cycle speed or moving mass would slam the covers of a bumper cylinder: the adjustable air cushion absorbs the last part of travel at both ends. The -S magnet supports CMSG/DMSG/EMSG position sensing, and mounting is FA flange or LB foot with I/Y rod knuckles. At 225 mm stroke, watch side loads: keep the rod load aligned or guide it externally to protect the 10 mm rod over the longer span.
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 MGC25X225S FAQ
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa it pushes 343.4 N and pulls 288.5 N. The theoretical maximum is 50 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof pressure, on air filtered to 40 um.
The cushion needle at each stroke end meters exhaust air to decelerate the piston smoothly near the covers, and you adjust it to suit your speed and moving mass. It only cushions the end of travel: it is not a lock or brake, and the cylinder will not hold position on air loss. For a held load, add an external rod lock or pilot check valve.
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