Airtac MG Stainless Steel Mini Air Cylinder MG32X125S
The AirTAC Airtac MG Stainless Steel Mini Air Cylinder MG32X125S is a genuine double acting JIS-standard round-body mini air cylinder with a Ø32mm bore and 125mm stroke, 1/8" air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ32 mm
- Stroke125 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 MG32X125S
With a 32 mm bore pushing 402.2 N at 0.5 MPa, this MG32X125S is a double acting JIS round-body mini cylinder that handles mid-range clamping and lifting work in a compact riveted package. The barrel is SUS304 stainless steel and the 12 mm rod is hard-chrome plated, so the cylinder shrugs off damp shop air, light washdown and outdoor duty far better than painted-steel minis. A fixed anti-impact bumper pad at each stroke end softens the 125 mm travel's direction change - it decelerates only and is not an adjustable air cushion.
Because the S code is built in, the piston carries a magnet and CMSG / DMSG / EMSG switches can be mounted directly for end-position sensing. As a practical sizing guide, plan on roughly 240 N of real working force at 0.5 MPa (about 60% of the rating), which lifts around 24 kg vertically - enough headroom for a 12 kg fixture plate with a comfortable 2:1 margin. Ports are 1/8" on every MG bore, and the JIS mounting interface accepts standard mini-cylinder brackets and rod knuckles, so spares swap in without redesign.
Airtac MG Stainless Steel Mini Air Cylinder MG32X125S Technical Specifications
| Model | Airtac MG Stainless Steel Mini Air Cylinder MG32X125S |
|---|---|
| Series | MG JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 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 MG32X125S
| MG | JIS round-body mini cylinder (double-acting). |
|---|---|
| 32 | Bore size in mm. |
| ×125 | 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 MG32X125S Is Used
Fixture clamping on CNC machining centres
The 402.2 N push at 0.5 MPa clamps aluminium and light steel workpieces in dedicated fixtures; the stainless barrel tolerates coolant mist around the machine bed.
Packaging line pusher arms
A 125 mm stroke diverts cartons between conveyor lanes at speeds up to 800 mm/s, with the bumper pad softening each reversal and the magnet feeding a CMSG switch to the PLC.
Lab sample-handling lift
With roughly 24 kg of practical vertical lift capacity at 0.5 MPa, the cylinder raises sample racks and small trays in automated testing stations where corrosion resistance matters.
Is the Airtac MG Stainless Steel Mini Air Cylinder MG32X125S the Right Cylinder?
At 32 mm bore the MG sits between the 25 mm version (245.3 N push at 0.5 MPa) and the 40 mm version (628.3 N). If your load needs more than about 240 N of usable force but under 380 N, this is the efficient pick; step up to bore 40 when forces approach 600 N. If high speeds or heavy loads need adjustable deceleration, the cushioned MGC in the same bore family is the alternative. Note that a plain MG will drift if air is lost or the valve centres - add an external rod lock or pilot check valve when the load must stay put. The 125 mm stroke is well within the 500 mm standard range; use LB foot or FA flange mounts for rigid frames, CB clevis with SDB pivot for swinging levers, and order the -S magnet whenever switch feedback is needed.
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 MG32X125S FAQ
At 0.5 MPa it pushes with 402.2 N and pulls with 345.6 N; at 0.7 MPa those rise to 563 N push and 483.8 N pull. The theoretical maximum is 82 kgf at 1.0 MPa. Operating pressure spans 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof pressure, and speed runs 30-800 mm/s.
The S means a magnet is built into the piston, so CMSG, DMSG or EMSG reed switches can be clipped on for position feedback. The barrel itself is SUS304 stainless steel riveted to the covers, the rod is hard-chrome plated carbon steel, and the cylinder follows the JIS mini-cylinder standard for bracket interchangeability.
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