Airtac MAC Stainless Steel Mini Air Cylinder MAC20X75SCAH
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X75SCAH is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 75mm 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
- Stroke75 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 MAC20X75SCAH
Bore 20 in the MAC family turns 0.5 MPa into 157 N of push and 131.9 N on the return stroke, plenty for light clamping, ejecting and sorting work where a bigger barrel would only waste air. Air drives the rod both ways - this is a true double-acting cylinder - and a variable air cushion at each end lets you dial out end-of-stroke shock so cycles can run toward the 800 mm/s top of the 30-800 mm/s band without hammering the covers.
Build quality is the quiet advantage here: a rolled stainless barrel, hard-chrome plated carbon-steel rod and riveted aluminium covers stand up to damp, misty or washdown spots that rust painted minis. In plain numbers, plan on about 94 N of dependable working force at 0.5 MPa rather than the full rating, and the rod theoretically hoists some 16 kg vertically - or roughly 8 kg once you keep a 2:1 margin. The CA pivot back cover on this version swings on a clevis-style pin, and the piston magnet is fitted as standard so CMSG, DMSG or EMSG switches clip straight on.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X75SCAH Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X75SCAH |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 75 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 MAC20X75SCAH
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×75 | 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 MAC20X75SCAH Is Used
Carton push-off on a packaging line
Kicks cartons sideways off a takeaway conveyor at moderate speed; the outlet cushion stops the ram bouncing at full extension.
Analyser tray shifter
Moves a sample tray between two stations inside compact analytical equipment where the 1/8" ports keep the plumbing tight.
Light fixture clamp
Clamps thin aluminium extrusion during a light drilling pass, working with about 94 N of dependable force at 0.5 MPa.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X75SCAH the Right Cylinder?
Size both ways before you commit: a MAC16X75 manages only 100.5 N at 0.5 MPa while a MAC25X75 delivers 245.3 N, so this 20 mm bore sits right for mid-light duty around 157 N. If the load must stay put when air is lost or the valve centres, remember a plain MAC will drift - fit a rod lock or pilot check valve. Ports are 1/8" on the 20 mm bore, the 8 mm rod carries an M8x1.25 male thread, and LB foot or FA flange brackets can be combined with the CA tail. The H at the end of the model code is not one of the standard listed option letters - confirm from datasheet before ordering.
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 MAC20X75SCAH FAQ
At 0.5 MPa it pushes 157 N and pulls 131.9 N. At 0.7 MPa those figures rise to 219.8 N push and 184.7 N pull, with a theoretical maximum of 32.0 kgf at 1.0 MPa for the 20 mm bore. Supply pressure spans 0.15-1.0 MPa (22-145 psi) and rod speed runs 30-800 mm/s.
Built in. Every MAC cylinder leaves the factory with the piston magnet fitted as standard, so CMSG, DMSG or EMSG switches clamp onto the stainless barrel for end-of-stroke or mid-stroke signalling - no special magnetised version to order.
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