Airtac MAC Stainless Steel Mini Air Cylinder MAC20X350SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X350SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 350mm 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
- Stroke350 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 MAC20X350SCA
A 20 mm bore pushing 157 N at 0.5 MPa makes the MAC20X350SCA a solid pick for longer travels on light automation. This is AirTAC's round-body MA family: a stainless-steel barrel with a hard-chrome plated carbon-steel rod, aluminium covers rolled on for a sealed joint. Air works both ways - double acting - and a variable air cushion at each end lets you bleed off end-of-stroke shock, so a 350 mm travel can still run near the top of the 30-800 mm/s band.
The CA pivot back cover swings straight onto clevis-type links without added brackets, and the built-in magnet (standard on every MA cylinder) accepts CMSG, DMSG or EMSG switches. For margin, plan real work around 94 N at 0.5 MPa - roughly 60 percent of the push rating - rather than the full 157 N.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X350SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X350SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 350 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 MAC20X350SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×350 | 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 MAC20X350SCA Is Used
Swing gate on a bottling line
A 350 mm clevis throw swings a lightweight gate through 90 degrees; 157 N at 0.5 MPa is ample for a pivoting stainless guide rail.
Screen-print carriage lift
Lifting a screen-print carriage of about 8 kg over 350 mm stays inside a 2:1 margin at 157 N, with cushions easing the drop at each end.
Reject pusher on a checkweigher
Knocking underweight packs off a 300 mm belt at up to 800 mm/s; the variable cushion absorbs the strike without hammering the covers.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X350SCA the Right Cylinder?
Sizing check: bore 16 tops out at 100.5 N push at 0.5 MPa, so if your load needs more than that the 20 mm MAC20X350SCA at 157 N is the step up; step to the 25 mm bore (245.3 N) when 157 N still feels tight. With no air applied or the valve centred the rod drifts freely - the cushion is not a lock - so fit a rod lock or pilot check valve where a held position matters. Keep side loads off the rod at this 350 mm travel; guide them externally or the rod will bend over time.
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 MAC20X350SCA FAQ
At 0.5 MPa it pushes 157 N and pulls 131.9 N; at 0.7 MPa that becomes 219.8 N push and 184.7 N pull, with a theoretical maximum of 32 kgf at 1.0 MPa. Pressure range is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-800 mm/s, and the 1/8" port takes PT, G or NPT thread.
Both ends carry a variable air cushion. Open the needle screws fully on the first run, then close them a little at a time until the 350 mm stroke decelerates smoothly; never start with them shut or the covers take the shock. The magnet is standard, so a CMSG, DMSG or EMSG switch can be fitted at the same time.
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