Airtac MAC Stainless Steel Mini Air Cylinder MAC20X75SUFA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X75SUFA 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 MAC20X75SUFA
Bolt the FA flange to a plate and this flat-end cylinder pushes square to the mounting face cycle after cycle - no bracket stacking needed. At 0.5 MPa the 20 mm bore generates 157 N forward and 131.9 N back, on a supply window of 0.15-1.0 MPa (22-145 psi) with 1.5 MPa (215 psi) proof.
Both ends carry an adjustable air cushion, so heavier loads travelling near the 800 mm/s top speed still settle without a clang against the covers. Sizing shortcut: 157 N theoretically raises about 16 kg, so budget for roughly 8 kg of vertical lift with a 2:1 reserve, or around 94 N of steady push once derated. The stainless barrel and hard-chrome rod tolerate humid, splashy corners, and the built-in magnet pairs with CMSG / DMSG / EMSG switches as standard kit.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X75SUFA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X75SUFA |
|---|---|
| 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 MAC20X75SUFA
| 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 MAC20X75SUFA Is Used
Sealing jaw closer
Closes a light sealing jaw on a sachet machine; the FA flange keeps the barrel square to the jaw pivot for even pressure.
Quick-vise trip
Trips a quick-acting vise on an assembly bench, using the practical 94 N force figure at 0.5 MPa rather than the raw rating.
Feeder gate lift
Raises a stop gate on a vibratory bowl feeder rail every Nth part; about 8 kg of vertical capability with a 2:1 margin covers most small hardware.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X75SUFA the Right Cylinder?
Two honest alternatives frame this model: the 16 mm bore gives 100.5 N at 0.5 MPa while the 25 mm bore reaches 245.3 N, so the 20 mm barrel earns its place when 157 N matches the load. Do not expect the cylinder to hold position on its own - with air off or the valve centred the rod coasts, so add a rod lock or pilot check valve where the load must stay parked. Plumbing is 1/8" ports into an M8x1.25 threaded 8 mm rod, and if fixed mounting is overkill, the same bore comes with CA pivot, plain U flat or CM round tails plus SDB or LB brackets.
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 MAC20X75SUFA FAQ
At 0.5 MPa: 157 N push and 131.9 N pull. At 0.7 MPa: 219.8 N push and 184.7 N pull, topping out at a theoretical 32.0 kgf at 1.0 MPa. The pressure envelope is 0.15-1.0 MPa (22-145 psi), proof rated at 1.5 MPa (215 psi).
Back both cushion needle screws off before first run, then close them gradually until the end-of-stroke knock fades. For feedback, clip a CMSG, DMSG or EMSG switch anywhere along the barrel - the piston magnet is already installed as standard, so no special-order cylinder is needed.
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