Airtac MAC Stainless Steel Mini Air Cylinder MAC50X150SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC50X150SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø50mm bore and 150mm 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.
- BoreØ50 mm
- Stroke150 mm
- Port size1/4"
- Acting typeDouble acting + cushion
- Rod threadM14×1.5
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC50X150SU
The U flat-end back cover on this MAC50X150SU gives a clean fixed mount, while the 50 mm bore below it delivers 981.3 N of push at 0.5 MPa (73 psi) across a 150 mm double-acting stroke. Ports are 1/4" on every Dia 50 AirTAC mini, matched to an M14x1.5 male thread on the 16 mm rod.
Because air works both ways, retraction still manages 880.8 N at 0.5 MPa (73 psi) - enough to pull a heavy slide home, not just return empty. Variable cushions at each end let you soften the stop as speed climbs toward the 800 mm/s ceiling. On vertical duty the bore could theoretically lift 100 kg, so plan on roughly 50 kg with a 2:1 safety factor. The magnet is built in as standard, so CMSG, DMSG or EMSG position switches need no special piston.
Airtac MAC Stainless Steel Mini Air Cylinder MAC50X150SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC50X150SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø50 mm |
| Stroke | 150 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.
Theoretical Output Force (Ø50mm)
| 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.
Model Code: Airtac MAC Stainless Steel Mini Air Cylinder MAC50X150SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 50 | Bore size in mm. |
| ×150 | 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.
Where the Airtac MAC Stainless Steel Mini Air Cylinder MAC50X150SU Is Used
Carton squaring station
Squaring cartons ahead of a case sealer with 981 N of side push; the U flat-end cover gives a simple fixed mounting face.
Web tension idler
Loading a pivoted idler roller on a film winding line, where the 150 mm stroke trims web tension smoothly without snatching.
Jig index pin drive
Pushing a heavy indexing pin into a welding jig fixture, with the cushion easing the seat so pins and bushings stay true.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC50X150SU the Right Cylinder?
Compare neighbours before ordering: the 40 mm bore pushes 628.3 N at 0.5 MPa (73 psi) and the 63 mm bore reaches 1557.9 N - choose those if 981 N undershoots or overshoots. Cushion screws only soften the final approach and cannot park a load; on air loss this piston drifts, so a rod lock or pilot check valve is the fix for held positions. Mount via the U flat-end cover or add FA flange, LB foot or SDB pivot hardware, and use an I or Y rod knuckle to keep bending loads off the 16 mm rod across 150 mm.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) is standard for sensors
- ✓ Back cover (CA/U/CM) & mount (FA/LB/SDB)
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 screws and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MAC Stainless Steel Mini Air Cylinder MAC50X150SU FAQ
At 0.5 MPa (73 psi): 981.3 N extending, 880.8 N retracting. At 0.7 MPa (102 psi): 1373.8 N extending. Theoretical peak 200.1 kgf at 1.0 MPa. Operating range 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s, 1/4" ports, 16 mm rod with M14x1.5 male thread.
It does not. A double-acting MAC drifts whenever supply pressure drops or the valve centres, and the cushions only soften the final approach. If your 150 mm stroke must park under load, add a rod lock or a pilot check valve in the port lines.
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