Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 15mm stroke, 1/8" 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.
- BoreØ20 mm
- Stroke15 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM8×1.25
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SU
Short-travel work at minimum cost of space: this 20 mm bore cylinder moves its rod just 15 mm yet pushes 157.0 N at 0.5 MPa, about 16 kgf of thrust. It is double acting, so air drives the rod out and back, and a variable air cushion at each end absorbs the last of the motion. Barrel, chrome-plated rod and rolled covers form a compact round body suited to crowded panels.
Corrosion is a non-issue in splash zones thanks to the stainless tube and 20 um hard-chrome rod - a real edge over painted minis in food or outdoor kit. For sizing, keep real work near 94 N at 0.5 MPa; vertically that thrust would lift about 8 kg with a 2:1 safety margin. The U flat-end back cover presents two plain fixing faces, and the standard magnet pairs with CMSG or EMSG switches out of the box.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 15 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| 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 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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 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 MAC20X15SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×15 | 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 MAC20X15SU Is Used
Glue bead cut-off
A blade trimming a glue tail needs 15 mm of quick travel; 94 N of working force at 0.5 MPa drives the knife cleanly.
Ratchet stopper pin
Dropping a stopper pin into a conveyor chain groove - the flat-end U cover bolts flush to the frame bracket.
Sample tube indexing
Pushing one vial forward in a lab analyser tray each cycle; the cushion eases the vial into position without a clack.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X15SU the Right Cylinder?
Downsize to a 16 mm bore (100.5 N push at 0.5 MPa) for lighter tasks, or upsize to 25 mm (245.3 N) when the load grows; this bore splits the two at 157.0 N push and 131.9 N pull. The port is 1/8 inch and the rod 8 mm. The cylinder will not hold a load if air is lost or the valve sits mid-position - the rod simply drifts - so add a rod lock or pilot check valve where holding matters. The flat-end U cover bolts flat against a plate; FA flange, LB foot and SDB pivot brackets are available, and the magnet is already inside for switch sensing.
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 MAC20X15SU FAQ
For the 20 mm bore: push 157.0 N and pull 131.9 N at 0.5 MPa; push 219.8 N and pull 184.7 N at 0.7 MPa; theoretical maximum 32 kgf at 1.0 MPa. Air supply is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), and rod speed runs 30-800 mm/s.
It replaces the pivot eye with two flat fixing faces, so the cylinder bolts directly to a machined plate or bracket without an extra lug. Internally nothing else moves - you still get the variable air cushion at both ends, the stainless round barrel, and the standard magnet for CMSG / DMSG / EMSG position switches.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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