Airtac MAC Stainless Steel Mini Air Cylinder MAC20X190SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X190SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 190mm 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
- Stroke190 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 MAC20X190SCA
Inside the MAC20X190SCA, aluminium covers and a stainless block are rolled onto a high-precision stainless barrel, sealing a 20 mm bore across a 190 mm stroke. Air drives the rod in both directions, and needle-screw cushions at each end absorb the last of the travel. Expect 157 N push and 131.9 N pull at 0.5 MPa (219.8 N push at 0.7 MPa; 32 kgf theoretical at 1.0 MPa) while running 0.15-1.0 MPa (22-145 psi) and 30-800 mm/s.
That cushion is adjustable in service: open the needles gradually on first run and end-of-stroke shock fades without hammering the covers. The magnet comes standard too, so CMSG / DMSG / EMSG switches drop straight on. As a working number, count on about 94 N of real push at 0.5 MPa; that corresponds to lifting roughly 8 kg vertically once you halve the raw capability for a 2:1 margin.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X190SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X190SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 190 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 MAC20X190SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×190 | 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 MAC20X190SCA Is Used
Sorter diverter arm
Kicking small parcels across a chute at a 190 mm gap in a courier hub; the CA pivot couples to the swing arm and the cushion takes the snatch out of each cycle.
Case closing pusher
Tucking top flaps on cosmetic cartons - 157 N at 0.5 MPa is ample for lightweight board, and the stainless construction copes with humid glue stations.
Index lift in an assembly fixture
Lifting a fixture nest of about 8 kg through a 190 mm index between manual and automated stations, with DMSG switches confirming both positions.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X190SCA the Right Cylinder?
Between a 16 mm bore (100.5 N push at 0.5 MPa) and a 25 mm bore (245.3 N), this 20 mm cylinder sits mid-range; the 190 mm stroke means the 8 mm rod should be shielded from side thrust with external guides. Remember the piston is free to coast when the valve centres or air drops, so add a pilot check valve or rod lock wherever a stopped position must persist. The CA pivot back cover suits swinging links, and FA flange, LB foot or SDB pivot brackets are on the shelf if you need a fixed base.
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 MAC20X190SCA FAQ
At 0.5 MPa: 157 N push and 131.9 N pull. At 0.7 MPa: 219.8 N push and 184.7 N pull. Theoretical maximum is 32 kgf at 1.0 MPa. Air supply runs 0.15-1.0 MPa (22-145 psi), rod speed 30-800 mm/s, and both ends carry an adjustable air cushion.
The riveted stainless tube with a 20 um hard-chrome carbon-steel rod stands up to humidity, splash and outdoor grit far better than painted minis, and its rolled-in seals stay tight. First time you pressurize, back the cushion needle screws off and open them slowly to tune the deceleration.
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