
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC50X225SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø50mm bore and 225mm stroke, 1/4" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service. A variable air cushion at both ends lets you tune end-of-stroke deceleration on site.
With a 50 mm bore pushing 981.3 N (about 100 kgf) at 0.5 MPa and 1373.8 N at 0.7 MPa, this 225 mm stroke MAC handles mid-size lifting and pressing jobs that stall smaller 32 mm cylinders (402.2 N at the same pressure). Air drives the rod both ways, and a variable air cushion at each end soaks up deceleration shock so you can run faster cycles without hammering the round-end covers.
The body is a high-precision stainless barrel with aluminium covers riveted on - no tie rods to loosen - and the carbon-steel rod carries a 20 um hard-chrome plate that shrugs off washdown and damp plant air. A magnet is built in as standard, so CMSG, DMSG or EMSG switches clip straight on. For real-world sizing, plan on roughly 590 N of usable push at 0.5 MPa (0.6 times the rating), which comfortably lifts a 50 kg die or fixture with a 2:1 margin.
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC50X225SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø50 mm |
| Stroke | 225 mm |
| Acting type | Double acting + cushion |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| 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 500 mm |
Specifications follow the official AirTAC MA-series datasheet. Barrel: stainless-steel tube (round-body, riveted rolling-packed construction); piston rod: carbon steel with 20µm hard-chrome plating; covers: aluminium alloy. Thread options: PT (blank) / G / NPT. Every MA-series cylinder ships with a built-in magnet for CMSG / DMSG / EMSG position sensors.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | 1234 N |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 50 | Bore size in mm. |
| ×225 | Stroke length in mm. |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
| CA / U / CM | Back-cover type: CA pivot, U flat-end, CM round-end. |
MA-family variants: MA / MAC (double acting ±cushion), MSA / MTA (single acting push / pull), MAD / MACD (double rod ±cushion), MAJ / MACJ (adjustable stroke ±cushion), MAR (cushioned with integrated F/U mount). Mounting accessories: FA flange, LB foot, SDB pivot; plus I and Y knuckles. Thread PT (blank) / G / NPT.
Raising a 40 kg reject gate on a bottling line every cycle, with the variable cushion absorbing the drop at stroke end.
A light press-fit station beside a food-grade washdown area, where the stainless barrel and chrome rod resist daily hose-down.
A parts elevator with a DMSG switch confirming the 225 mm top-of-stroke position before the robot picks.
Step down to a MAC32X225 if your load needs only 402.2 N at 0.5 MPa; step up to a MAC63X225 when you need 1557.9 N. Keep the 50 mm bore when the job sits between 590 and 900 N of working force. The CM round-end back cover takes a pivot pin directly, and FA flange, LB foot or SDB pivot brackets bolt on if the frame needs them. Ports are 1/4 in on all 50 mm bores, with PT threads here (G or NPT on request).
Note that a plain MAC drifts when air is cut - the cushion is a shock absorber, not a lock - so add a rod lock or pilot check valve if the 225 mm stroke must hold position.
Quick checklist
At 0.5 MPa it pushes 981.3 N and pulls 880.8 N. At 0.7 MPa those figures rise to 1373.8 N push and 1233.1 N pull. The theoretical maximum is 200.1 kgf at 1.0 MPa. The bore is 50 mm, the rod is 16 mm with an M14x1.5 male thread, ports are 1/4 in, and the stroke is 225 mm with a variable air cushion at both ends.
The CM round-end back cover accepts a pivot pin without extra brackets, so the cylinder can swing through a linkage. Because the magnet is built into the piston as standard, CMSG, DMSG or EMSG switches mount on the barrel anywhere along the 225 mm stroke - no special-order piston is needed.
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