Airtac MG Stainless Steel Mini Air Cylinder MG25X100
The AirTAC Airtac MG Stainless Steel Mini Air Cylinder MG25X100 is a genuine double acting 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
- Rod threadM10×1.25
- CushionFixed anti-impact bumper pads
About the Airtac MG Stainless Steel Mini Air Cylinder MG25X100
With a 25 mm bore and 100 mm stroke, this MG cylinder delivers double acting power in a compact round body: about 245.3 N push and 206.1 N pull at 0.5 MPa, rising to 343.4 N at 0.7 MPa. The barrel is SUS304 stainless steel riveted onto the covers, paired with a hard-chrome plated 10 mm rod, so it shrugs off damp, washdown-prone and outdoor conditions that quickly ruin painted-steel minis.
Because the MG follows the JIS mini-cylinder standard, its mounting and accessory footprint drops straight onto standard JIS brackets and rod knuckles, which simplifies spares and redesigns. For sizing, a sensible working figure is roughly 147 N of real push force at 0.5 MPa, which corresponds to lifting about 12 kg vertically with a 2:1 margin. A fixed anti-impact bumper pad softens the stroke ends; it decelerates only and is not an adjustable air cushion. Operating range is 0.15-1.0 MPa (22-145 psi), 30-800 mm/s, -20 to +70 C.
Airtac MG Stainless Steel Mini Air Cylinder MG25X100 Technical Specifications
| Model | Airtac MG Stainless Steel Mini Air Cylinder MG25X100 |
|---|---|
| Series | MG JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| 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 | Fixed anti-impact bumper pads |
| 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 MG Stainless Steel Mini Air Cylinder MG25X100
| MG | JIS round-body mini cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×100 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
| FA / LB / CB / SDB | Mounting: FA flange, LB foot, CB clevis, SDB pivot bracket (with CB). |
MG-family variants: MG / MGC (double acting ±cushion), MSG / MTG (single acting push / pull), MGD / MGCD (double rod ±cushion). Accessories: LB foot, FA flange, CB clevis, SDB pivot block, plus I and Y knuckles. Thread PT (blank) / G / NPT.
Where the Airtac MG Stainless Steel Mini Air Cylinder MG25X100 Is Used
Bottling line pusher
With 245.3 N push at 0.5 MPa, the 25 mm bore side-shifts filled 500 ml bottle groups between conveyor lanes, and the SUS304 barrel tolerates daily washdown.
Small parts press fit
Around 147 N of working force at 0.5 MPa is enough to seat bushings into plastic housings on a 100 mm stroke press fixture.
Carton flap tucker
The 100 mm stroke folds carton flaps on a packaging machine, with the fixed bumper pad absorbing the direction-change shock at each cycle end.
Is the Airtac MG Stainless Steel Mini Air Cylinder MG25X100 the Right Cylinder?
At 25 mm bore the MG sits mid-range: the 20 mm bore below offers 157.0 N push at 0.5 MPa, while stepping up to 32 mm buys 402.2 N. If your load needs more than about 147 N of usable force at 0.5 MPa, choose this size; if it is a light gate or fixture under 90 N, the MG20 saves space and air. Note that a plain MG does not hold position when air is lost - the rod drifts - so add an external rod lock or a pilot check valve for held loads. This SKU has no magnet, so CMSG / DMSG / EMSG switches cannot be fitted; order the -S version if you need position sensing. Mount it with LB foot, FA flange, CB clevis or SDB pivot brackets.
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 / CB / SDB) & 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/impact settings and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MG Stainless Steel Mini Air Cylinder MG25X100 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. Ports are 1/8", the rod is 10 mm with M10x1.25 male thread, and the operating pressure range is 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof pressure.
No - this SKU has no built-in magnet, so CMSG, DMSG or EMSG switches cannot be mounted. Order the magnet-equipped MG25X100S if you need end-position detection. Also note the fixed bumper pad only softens stroke-end impact; it is not an adjustable cushion and does not hold a load if air pressure is lost.
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