Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X500
The AirTAC Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X500 is a genuine double acting, double rod + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 500mm 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
- Stroke500 mm
- Port size1/8"
- Acting typeDouble acting, double rod + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X500
The AirTAC MGCD25X500 is a double acting, double-rod JIS round-body mini cylinder with a 25 mm bore and a 500 mm stroke. A hard-chrome steel rod exits both covers with the same M10x1.25 male thread at each end, so the rod-side area is pressurized in either direction and the output force is equal both ways: about 206.1 N at 0.5 MPa and 288.5 N at 0.7 MPa, with a theoretical maximum of 42 kgf at 1.0 MPa. Both ends carry a variable air cushion, so the piston decelerates smoothly into each cover for higher-speed or heavier-load stops instead of slamming metal to metal.
Construction follows the JIS mini-cylinder footprint: a riveted SUS304 stainless barrel with a hard-chrome (20 um) carbon-steel rod and a two-way lubricant-storing piston seal. It runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), from -20 to +70 C, at speeds of 30-800 mm/s. Air ports are 1/8". The 500 mm stroke exceeds the 300 mm maximum standard stroke for this bore, so it is supplied as a made-to-order length. For a realistic working load, size around 0.6 of the available force, roughly 124 N; as a vertical lift figure that is about 10 kg with a safety margin. Note the cushion decelerates the stroke ends only - it is not a lock, so use an external rod lock or pilot check valve to hold a load on air loss.
Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X500 Technical Specifications
| Model | Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X500 |
|---|---|
| Series | MGCD JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 500 mm |
| Acting type | Double acting, double rod + 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 300 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 | Force (both ways) |
|---|---|
| 0.5 MPa | 206 N |
| 0.7 MPa | 289 N |
| Max (@1.0 MPa) | 42 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
Model Code: Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X500
| MGCD | JIS round-body mini cylinder (double-rod, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×500 | 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 MGCD Stainless Steel Mini Air Cylinder MGCD25X500 Is Used
High-speed anti-rotation transfer
The through rod keeps a gripper or fixture from rotating while the variable air cushion brings the 206.1 N stroke to a smooth stop at each end on fast push-pull transfers.
Twin-load press with soft stop
Rod ends on both covers let you load two light workpieces in one stroke, with the adjustable cushion easing the press into position instead of a hard impact.
Rear-switch slide (order -S)
Use the rear rod end to carry a stop flag or trigger on a long slide; specify MGCD25X500S so a CMSG, DMSG or EMSG switch can read position over the 500 mm travel.
Is the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD25X500 the Right Cylinder?
Choose the MGCD25X500 when you need equal force in both directions on a through rod plus adjustable cushioning at both ends, and the 500 mm stroke is longer than the 300 mm standard maximum for this bore (made to order). At 206.1 N per way at 0.5 MPa, this 25 mm bore suits light-to-medium clamping, transfer and positioning duties; step up to MGCD32 or MGCD40 for more force, or down to MGCD20 for the smallest envelope. If you need a double-rod cylinder with fixed bumper pads instead of an adjustable cushion in bores 20-40, look at the MGD; for a single rod with a cushion, the MGC. Mount with LB foot or FA flange and add I or Y rod knuckles on the loaded end; SDB and CB are not offered. The magnet is the optional S code - without it no CMSG, DMSG or EMSG switch can be mounted, so order MGCD25X500S if you need position sensing. On this long 500 mm stroke, keep side loads low or guide the load externally to protect the 10 mm rod.
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 MGCD Stainless Steel Mini Air Cylinder MGCD25X500 FAQ
Because both sides of the piston see the rod-side area, output is equal both ways: 206.1 N at 0.5 MPa and 288.5 N at 0.7 MPa, with a theoretical maximum of 42 kgf at 1.0 MPa. It runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), temperature -20 to +70 C, speed 30-800 mm/s, with 1/8" ports and M10x1.25 rod threads at both ends.
The MGCD has an adjustable air cushion at both ends that decelerates the piston smoothly into each cover - it is not a fixed bumper pad (that is the MGD) and not a lock, so an external rod lock or pilot check valve is needed to hold a load on air loss. Unlike the single-rod MGC, the MGCD's double rod gives equal force in both directions and a rear rod end for a stop, flag or second load. The optional S code adds a magnet for CMSG, DMSG or EMSG switches; without it no sensor can be mounted.
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