Airtac MG Stainless Steel Mini Air Cylinder MG32X50S
The AirTAC Airtac MG Stainless Steel Mini Air Cylinder MG32X50S is a genuine double acting JIS-standard round-body mini air cylinder with a Ø32mm bore and 50mm 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
- Stroke50 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 MG32X50S
With a 32 mm bore and a short 50 mm stroke, the MG32X50S is a double acting JIS round-body mini cylinder that pushes 402.2 N and pulls 345.6 N at 0.5 MPa (563 N / 483.8 N at 0.7 MPa, up to 82 kgf theoretical at 1.0 MPa). The barrel is SUS304 stainless steel riveted onto the covers, paired with a hard-chrome plated 12 mm rod, so the body shrugs off washdown and damp shop air far better than painted-steel minis. A fixed anti-impact bumper pad at each end softens the direction change; it decelerates the stroke end only and is not an adjustable air cushion.
Because the S code is in the model, a magnet is built into the piston, so CMSG, DMSG or EMSG switches can be clamped straight onto the barrel for end-of-stroke signalling. For sizing in practice, treat roughly 241 N (about 24 kgf) as the usable push at 0.5 MPa, which means this cylinder lifts roughly 20 kg vertically with a 2:1 margin. Air supply is 0.15-1.0 MPa = 22-145 psi, speed 30-800 mm/s, ports 1/8", thread PT.
Airtac MG Stainless Steel Mini Air Cylinder MG32X50S Technical Specifications
| Model | Airtac MG Stainless Steel Mini Air Cylinder MG32X50S |
|---|---|
| Series | MG JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 50 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 MG32X50S
| MG | JIS round-body mini cylinder (double-acting). |
|---|---|
| 32 | Bore size in mm. |
| ×50 | 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 MG32X50S Is Used
Sensor-checked part present on an assembly fixture
The built-in magnet plus a CMSG switch confirms the 50 mm clamp stroke has fully closed before the robot picks the part - no separate proximity sensor on the tooling.
Bottle-capper press on a washdown filling line
About 24 kgf of usable push at 0.5 MPa seats caps consistently, and the SUS304 stainless barrel and chrome rod stand up to daily hose-down where painted minis rust.
Lift-and-lower gate on a small packaging machine
The 32 mm bore raises roughly 20 kg vertically with a 2:1 margin over a short 50 mm travel, and the fixed bumper pads quiet the drop at each end of the cycle.
Is the Airtac MG Stainless Steel Mini Air Cylinder MG32X50S the Right Cylinder?
At 402.2 N push at 0.5 MPa this bore sits in the middle of the MG range: step down to a 25 mm bore (245.3 N) for lighter clamping, or up to 40 mm (628.3 N) when the load grows. If your cycle is fast or the load is heavy and you need adjustable end-of-stroke damping, the cushioned MGC in the same bore is the better pick. Note that a plain MG drifts when air is lost or the valve centres - the bumper pads do not lock anything - so add an external rod lock or a pilot check valve if the load must stay put.
The 50 mm stroke is well within the 500 mm standard range for this bore, so no made-to-order build is needed. Mount with LB foot, FA flange, CB clevis or SDB pivot brackets, and use I or Y rod knuckles on the M10x1.25 male rod thread; all follow the JIS mini-cylinder interface, so existing brackets and spares carry over.
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 MG32X50S FAQ
At 0.5 MPa it pushes 402.2 N and pulls 345.6 N; at 0.7 MPa that rises to 563 N push and 483.8 N pull. The theoretical maximum is 82 kgf at 1.0 MPa. For real work, plan on about 241 N (roughly 24 kgf) of push at 0.5 MPa, enough to lift about 20 kg vertically with a 2:1 safety margin. Operating pressure is 0.15-1.0 MPa = 22-145 psi with a 1.5 MPa = 215 psi proof pressure, ports are 1/8", and speed runs 30-800 mm/s.
Yes - the S in the code means a piston magnet is fitted, so CMSG, DMSG or EMSG reed/solid-state switches mount directly on the stainless barrel. The cylinder itself does not hold position: if air is lost or the valve is centred the piston will drift, and the fixed anti-impact bumper pads only soften the stroke ends, they are not a brake. Fit an external rod lock or a pilot check valve where the load must stay in place.
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