Airtac MAC Stainless Steel Mini Air Cylinder MAC20X110SCALB
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X110SCALB is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 110mm 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
- Stroke110 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 MAC20X110SCALB
This 110 mm stroke MAC puts out 157 N on extend and 131.9 N on retract at 0.5 MPa, climbing to 219.8 N and 184.7 N when supply reaches 0.7 MPa. The variable air cushion at each end is dialed in with needle screws, protecting the covers from shock at speeds of 30-800 mm/s. Supply pressure runs 0.15-1.0 MPa (22-145 psi), proof tested to 1.5 MPa (215 psi).
AirTAC forms the barrel from stainless steel and rolls the aluminium covers onto it, with a hard-chrome plated rod that tolerates splash and humidity, useful in washdown corners of a plant. Every MAC ships with the position magnet already fitted, so CMSG, DMSG or EMSG switches mount without ordering a special piston. In practice 157 N means about 94 N of usable work at 0.5 MPa, roughly lifting 8 kg vertically once a 2:1 margin is applied.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X110SCALB Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X110SCALB |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 110 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 MAC20X110SCALB
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×110 | 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 MAC20X110SCALB Is Used
Foot-mounted conveyor stop
The LB foot bolts the barrel to the conveyor frame while the rod raises a stopping gate; the CA pivot lets the gate swing up cleanly out of the product path.
Welding fixture clamp
In a small welding jig, the 157 N extend force at 0.5 MPa clamps sheet blanks against a locator while the foot mounting resists reaction torque.
Hopper slide gate actuator
Mounted under a powder hopper, the cylinder strokes a slide plate open and closed, and cushion needles stop the gate slamming into its seat.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X110SCALB the Right Cylinder?
The SCALB suffix pairs a CA pivot back cover with an LB foot, so the same body can be pin-mounted at one end and bolted down at the cap. Downsizing to a 16 mm bore yields 100.5 N at 0.5 MPa; stepping up to 25 mm takes you to 245.3 N, so this 20 mm barrel covers the middle. Compressed air is the only thing holding position here: if supply drops, the rod moves, so add a rod lock or pilot check valve wherever a load must stay put. With 110 mm of travel, guide the load externally to keep bending off the 8 mm rod.
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 MAC20X110SCALB FAQ
Extend force is 157 N and retract is 131.9 N at 0.5 MPa; at 0.7 MPa expect 219.8 N and 184.7 N. Peak theoretical force is 32 kgf at 1.0 MPa. It runs on 0.15-1.0 MPa (22-145 psi), withstands 1.5 MPa (215 psi), and cycles at 30-800 mm/s with a 1/8" port.
Yes. The foot bolts the barrel down while the pivot eye at the cap lets the rod follow a swinging load, handy on tilting chutes or swing clamps. Cushion needles at both ends let you soften the 110 mm approach once the machine is running.
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