Airtac MAC Stainless Steel Mini Air Cylinder MAC20X115SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X115SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 115mm 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
- Stroke115 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 MAC20X115SCA
Longer travel without giving up force: the 115 mm stroke MAC keeps the full 20 mm bore output of 157 N extend and 131.9 N retract at 0.5 MPa, or 219.8 N and 184.7 N at 0.7 MPa. Cushion needles on both caps let you bleed the approach so the rod settles rather than slams, at cycle speeds from 30 to 800 mm/s. Working pressure is 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof.
The CA pivot back cover pins straight into a clevis, so a swinging linkage needs no adapter bracket, while the stainless rolled barrel and hard-chrome rod shrug off corrosion in wash-prone corners. Because the magnet is built in at the factory, CMSG, DMSG or EMSG switches drop straight on for end-of-stroke confirmation. Sizing check: 157 N at 0.5 MPa equates to roughly 94 N of dependable work, about 8 kg of vertical lift with a 2:1 margin.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X115SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X115SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 115 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 MAC20X115SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×115 | 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 MAC20X115SCA Is Used
Spray boom section swing
On a crop sprayer, the CA pivot pins into a clevis to fold or unfold a boom section; the stainless barrel tolerates field washdown between seasons.
Checkweigher reject pusher
A checkweigher can stroke the rod 115 mm to nudge underweight cartons off the belt, with cushions easing the contact at line speed.
Textile dye-lift lever
In a dye-house machine, the cylinder raises a lever arm through a pivoting linkage; the pivot eye matches the swinging motion without extra hardware.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X115SCA the Right Cylinder?
At 115 mm the stroke stays well inside the 500 mm standard range for a 20 mm bore, so no made-to-order build is needed. If 157 N falls short, a 25 mm bore delivers 245.3 N at 0.5 MPa; if it is overkill, a 16 mm barrel still offers 100.5 N. Long strokes amplify side load, so guide the 8 mm rod externally and keep thrust in line with the bore axis. The piston will drift if air bleeds off, so add a rod lock or pilot check valve for parked loads.
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 MAC20X115SCA FAQ
Extend force 157 N and retract 131.9 N at 0.5 MPa; 219.8 N and 184.7 N at 0.7 MPa; 32 kgf theoretical maximum at 1.0 MPa. Ports are 1/8", rod thread M8x1.25, rod diameter 8 mm, pressure 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-800 mm/s.
No. Every MAC piston carries the magnet as standard, so CMSG, DMSG or EMSG switches clamp onto the stainless barrel and signal both ends of the 115 mm travel. Wire the switches to your PLC for interlocks or part counting.
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