Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X350S
The AirTAC Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X350S is a genuine double acting, double rod + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 350mm stroke, M5×0.8 air ports and a SUS304 stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ20 mm
- Stroke350 mm
- Port sizeM5×0.8
- Acting typeDouble acting, double rod + cushion
- Rod threadM8×1.25
- CushionVariable air cushion, both ends
About the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X350S
The AirTAC MGCD20X350S is a double acting, double-rod JIS round-body mini cylinder with a 20 mm bore and a 350 mm stroke. A hard-chrome rod exits both covers with the same M8x1.25 male thread at each end, so both strokes work on the rod-side area and deliver an equal force of about 131.9 N each way at 0.5 MPa (184.7 N at 0.7 MPa, up to 26.9 kgf theoretical at 1.0 MPa). A variable air cushion at both ends lets you tune deceleration for smooth, high-speed stops, and the rear rod end is free for a stop flag, position switch trigger, or a second light load. The fitted magnet (S code) allows CMSG, DMSG, or EMSG reed switches to be mounted anywhere along the 350 mm travel.
Construction follows the JIS mini-cylinder footprint: a SUS304 stainless barrel with riveted covers, a hard-chrome 8 mm rod, and a two-way lubricant-storing piston seal for long service life. It runs on air filtered to 40 um at 0.15-1.0 MPa (22-145 psi), withstands a 1.5 MPa (215 psi) proof pressure, and operates from -20 to +70 C at 30-800 mm/s. With a realistic working load of roughly 8 kg (about 0.6 of the 131.9 N thrust), plan on about 6.7 kg for safe vertical lifting. Note that 350 mm exceeds the 300 mm maximum standard stroke for bore 20, so this is a made-to-order length.
Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X350S Technical Specifications
| Model | Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X350S |
|---|---|
| Series | MGCD JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 350 mm |
| Acting type | Double acting, double rod + cushion |
| Port size | M5×0.8 |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 132 N |
| 0.7 MPa | 185 N |
| Max (@1.0 MPa) | 27 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 MGCD20X350S
| MGCD | JIS round-body mini cylinder (double-rod, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×350 | 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 MGCD20X350S Is Used
High-speed anti-rotation transfer
The through-rod prevents load rotation while the variable air cushion absorbs the stop at each end, letting small fixtures shuttle at up to 800 mm/s without hard impact.
Twin-load press with soft stop
Rod ends on both covers carry two light pressing or marking tools, each delivering about 131.9 N at 0.5 MPa, with cushioned deceleration protecting delicate parts.
Rear-switch slide with position feedback
The rear rod end drives a stop flag past CMSG or DMSG switches along the 350 mm stroke, giving end-of-travel confirmation on a compact 20 mm bore slide.
Is the Airtac MGCD Stainless Steel Mini Air Cylinder MGCD20X350S the Right Cylinder?
At bore 20 this is the smallest cushioned double-rod cylinder in the range; if your load needs more than about 132 N per direction at 0.5 MPa, step up to MGCD25 or MGCD32. If you want a double-rod cylinder with a fixed bumper pad instead of an adjustable cushion, the MGD covers bores 20-40; if you need a single rod with a cushion, choose the MGC. The MGCD20X350S suits anti-rotation transfer work where the through-rod keeps both ends aligned and the variable air cushion softens each stop. Mount with the FA flange or LB foot, add I or Y rod knuckles on the loaded end, and remember the -S magnet is already fitted for CMSG/DMSG/EMSG switches. At 350 mm stroke, keep side loads low and use a guide or knuckle to protect the long 8 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 MGCD20X350S FAQ
Because the rod-side area works in both directions, thrust is equal each way: 131.9 N at 0.5 MPa and 184.7 N at 0.7 MPa, with a theoretical maximum of 26.9 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), temperature -20 to +70 C, and speed 30-800 mm/s on air filtered to 40 um. The port is M5x0.8 and the rod thread is M8x1.25 at both ends.
The MGCD has an adjustable air cushion at both ends that decelerates the piston for smooth high-speed stops; the MGD uses fixed bumper pads instead, and the MGC is a single-rod cushioned cylinder. The double rod gives equal force both ways and natural anti-rotation, but the cushion is not a lock: the cylinder will not hold its load on air loss, so add an external rod lock or pilot check valve for holding. The fitted S magnet accepts CMSG, DMSG, and EMSG switches.
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