Airtac MAC Stainless Steel Mini Air Cylinder MAC20X80SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X80SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 80mm 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
- Stroke80 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 MAC20X80SU
Flat-faced U back cover, 20 mm bore, 80 mm stroke: this AirTAC mini cylinder pushes 157 N at 0.5 MPa and cushions both stroke ends with metered air instead of fixed bumpers. The barrel is stainless steel rolled directly onto aluminium-alloy covers, and the 8 mm carbon-steel rod wears 20 um of hard chrome for long life in splash zones.
Size the load near 94 N - about six tenths of the rated push - and the cylinder runs cool through millions of cycles; that same margin translates to roughly 8 kg of vertical lift. Every unit ships with a piston magnet already installed, so adding CMSG or DMSG switches is a bolt-on step, never a special order.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X80SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X80SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 80 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 MAC20X80SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×80 | 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 MAC20X80SU Is Used
Stopper gate on a carton conveyor
The flat U cover bolts flush to the gate frame and the 157 N push lifts diverted cartons clear of the lane without hammering the stops.
Label applicator press pad
Cushioned landings protect the pad and label stock from snap-back as it seats at up to 800 mm/s over the 80 mm stroke.
PCB test fixture clamp
About 94 N of practical working force holds boards in the nest without crushing, while a DMSG switch signals the clamped state to the test controller.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X80SU the Right Cylinder?
The 16 mm bore tops out at 100.5 N push at 0.5 MPa and the 25 mm bore starts at 245.3 N, so pick this 20 mm model when your load lands between those marks. It is double acting - air retracts as well as extends - with a 0.15-1.0 MPa (22-145 psi) supply and 30-800 mm/s speed range; 1/8" ports, M8x1.25 male rod thread.
It will not hold position when air is lost or the valve centres - the piston coasts - so use a rod lock or pilot check valve for suspended loads. The U flat end bolts directly to fixed plates, or add FA flange and LB foot hardware; avoid side loading the 8 mm rod across the 80 mm stroke by guiding external slides where the load overhangs.
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 MAC20X80SU FAQ
Push 157 N, pull 131.9 N at 0.5 MPa; push 219.8 N at 0.7 MPa; theoretical maximum about 32 kgf at 1.0 MPa. Supply 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-800 mm/s, 1/8" ports, M8x1.25 male rod thread, 8 mm rod, 80 mm stroke.
Included as standard on every MAC cylinder - the piston leaves the factory magnetised, so CMSG, DMSG or EMSG switches snap onto the stainless barrel whenever you need end-of-stroke or mid-stroke signalling, with no special-order piston and no extra fitting work.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac MAC Stainless Steel Mini Air Cylinder MAC20X80SU
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.