Airtac MG Stainless Steel Mini Air Cylinder MG25X175S
The AirTAC Airtac MG Stainless Steel Mini Air Cylinder MG25X175S is a genuine double acting JIS-standard round-body mini air cylinder with a Ø25mm bore and 175mm 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
- Stroke175 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 MG25X175S
With a 25 mm bore pushing about 245 N at 0.5 MPa (343.4 N at 0.7 MPa), the MG25X175S is a double acting JIS round-body mini cylinder that moves small loads briskly over a 175 mm stroke. The SUS304 stainless barrel and hard-chrome plated 10 mm rod shrug off damp, washdown-prone and outdoor conditions that quickly ruin painted-steel minis, and the riveted covers keep the body compact. Because the footprint follows the JIS mini-cylinder standard, existing JIS brackets and I/Y rod knuckles can be reused without redesign.
The 175 mm stroke ends meet fixed anti-impact bumper pads that soften direction changes - they decelerate only and are not an adjustable air cushion. The fitted magnet lets CMSG, DMSG or EMSG switches report rod position, so a packaging gate or pick station can confirm extend and retract without extra hardware. As a rule of thumb, plan on roughly 147 N (about 15 kg of vertical lift with a 2:1 margin) of real work at 0.5 MPa rather than the full rating.
Airtac MG Stainless Steel Mini Air Cylinder MG25X175S Technical Specifications
| Model | Airtac MG Stainless Steel Mini Air Cylinder MG25X175S |
|---|---|
| Series | MG JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 175 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 MG25X175S
| MG | JIS round-body mini cylinder (double-acting). |
|---|---|
| 25 | Bore size in mm. |
| ×175 | 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 MG25X175S Is Used
Carton flap tucking
The 245.3 N push at 0.5 MPa folds carton flaps on a packaging line, while the fitted magnet confirms each tuck via a CMSG switch before the case seals.
Sample tray indexing
A 175 mm stroke steps lab sample trays one position at a time; the stainless barrel tolerates repeated wipe-downs in wet bench environments.
Small part press-fit
About 15 kg of usable vertical load at 0.5 MPa (with a 2:1 margin) presses bushings into small housings on an assembly bench.
Is the Airtac MG Stainless Steel Mini Air Cylinder MG25X175S the Right Cylinder?
At 0.5 MPa this bore delivers 245.3 N push and 206.1 N pull; the next size down (bore 20) manages only 157.0 N push, while bore 32 raises it to 402.2 N. If your load sits between those figures, the 25 mm bore is the efficient pick. Remember that a plain MG drifts when air is removed or the valve centres - for a held load add an external rod lock or a pilot check valve. Mount it with LB foot, FA flange, CB clevis or SDB pivot brackets, and match the 175 mm stroke to a guide if any side load or rod bending is expected.
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 MG25X175S 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), proof pressure 1.5 MPa (215 psi), speed 30-800 mm/s, and the port is 1/8".
The S means a magnet is built into the piston, so CMSG, DMSG or EMSG switches can detect rod position - a non-S MG cannot take these sensors. The pads at the stroke ends are fixed anti-impact bumpers: they decelerate the piston but are not an adjustable cushion and do not lock or hold a load.
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