Airtac MAC Stainless Steel Mini Air Cylinder MAC20X175SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X175SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 175mm 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
- Stroke175 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 MAC20X175SCA
Swinging linkages suit the MAC20X175SCA: a 175 mm stroke, a CA pivot back cover that takes a clevis pin, and double-acting power rated at 157 N push at 0.5 MPa. A variable air cushion at both ends lets you back the needle screws off on first run and open them gradually until the 30-800 mm/s motion lands soft.
Build quality comes from the rolling-packed stainless barrel with riveted aluminium-alloy covers and a hard-chrome plated rod - a combination that survives humid plants far better than painted minis. For sizing, 157 N at 0.5 MPa translates into about 94 N of practical work, or roughly an 8 kg vertical lift once a 2:1 margin is kept.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X175SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X175SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 175 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 MAC20X175SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×175 | 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 MAC20X175SCA Is Used
Cooling-chute rocker on a roaster
Rocking the discharge chute of a coffee-roaster cooler - the CA pivot pins straight to the linkage and the cushion settles the 175 mm swing without jolting the frame.
Reject gate on a blister packing line
Flicking failed blisters off the belt - 157 N at 0.5 MPa snaps the gate across in time, and a CMSG switch confirms the parked position to the line controller.
Swing clamp on a tube welding fixture
Clamping thin tube before tack welding - about 94 N of usable force seats the clamp arm, and the hard-chrome rod shrugs off the grinding dust around the cell.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X175SCA the Right Cylinder?
Compare the neighbours: a bore 16 barrel gives 100.5 N push at 0.5 MPa for feather-light arms, a bore 25 gives 245.3 N for heavier clamps. A plain MAC never holds its stroke when air drops - expect drift, and specify a rod lock or pilot check valve for suspended loads. The CA pivot end swings in the plane of the pin; FA flange, LB foot and SDB pivot brackets cover fixed points, and the built-in standard magnet feeds position signals to CMSG, DMSG or EMSG switches. Over 175 mm the 8 mm rod is long enough that side loads should be carried by external guides, not by the rod bearing.
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 MAC20X175SCA FAQ
At 0.5 MPa: 157 N push, 131.9 N pull. At 0.7 MPa: 219.8 N push, 184.7 N pull. The theoretical maximum is 32 kgf at 1.0 MPa. All figures assume double-acting operation on clean 40 um filtered air through the 1/8" ports of this bore.
Its pivot eye accepts a clevis pin, so swinging links and levers connect without machining a bracket. If part of the machine later needs a fixed mount, FA flange, LB foot and SDB pivot options fit the same barrel, and the standard magnet keeps any sensor retrofit simple.
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