Airtac MAC Stainless Steel Mini Air Cylinder MAC20X220SCM
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X220SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 220mm 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
- Stroke220 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 MAC20X220SCM
Double-acting with a variable air cushion at both ends, the MAC20X220SCM puts 157 N on the extend stroke at 0.5 MPa and 131.9 N on retract, ample for clamp-and-slide jobs across its 220 mm travel. The CM round-end back cover presents a smooth boss that seats neatly on fixed lugs or brackets. Air does the work in both directions, and the cushion needles let you soften each end stop so faster cycles do not pound the aluminium covers.
Inside, a stainless-steel barrel is roll-packed with aluminium covers around a hard-chrome plated rod, shrugging off splash and humidity that rust painted housings. A position sensor is no extra: the magnet is built into the piston as standard, so CMSG, DMSG or EMSG switches mount straight on. Divide the 157 N rating down to a sensible 60 percent and you get about 94 N of working force, roughly an 8 kg vertical lift with a 2:1 safety margin.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X220SCM Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X220SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 220 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 MAC20X220SCM
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×220 | 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 MAC20X220SCM Is Used
Fixture clamp slide
Slides a drill fixture clamp over 220 mm on a small machining jig, using the 219.8 N available at 0.7 MPa to hold workpieces firmly against the stop.
AGV battery latch
Cycles the latch pin on an automated guided vehicle battery bay; the piston magnet confirms pin-home to the controller through a DMSG switch.
Diverter flap
Flips a parcel diverter flap at a sortation crossing, where the round CM boss bolts flat to the frame lug without an intermediate bracket.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X220SCM the Right Cylinder?
Drop to a MAC16 (100.5 N at 0.5 MPa) for lighter work or step to a MAC25 (245.3 N) when the load grows. Keep in mind this cylinder will not park itself: with no air or a centred valve the piston coasts freely, so add a pilot check valve or rod lock where the load must stay. For the 220 mm stroke keep external guides true to the bore; the CM round end plus an SDB pivot bracket or LB foot gives clean mounting without adapters.
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 MAC20X220SCM FAQ
Push is 157 N at 0.5 MPa and 219.8 N at 0.7 MPa; pull is 131.9 N and 184.7 N at the same pressures. Theoretical maximum force is 32.0 kgf at 1.0 MPa. The working range is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), and speed runs 30-800 mm/s over the 220 mm stroke.
The barrel is high-precision stainless steel riveted to aluminium-alloy covers, and the carbon-steel rod carries a 20 um hard-chrome plate. That combination resists splash, humidity and light washdown far better than painted mini cylinders, while the heterogeneous piston seal stores its own grease to stretch service intervals.
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