Airtac MAC Stainless Steel Mini Air Cylinder MAC20X370SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X370SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 370mm 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
- Stroke370 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 MAC20X370SCA
Built around a 20 mm stainless barrel, the MAC20X370SCA swings through 370 mm while pushing 157 N at 0.5 MPa. Double acting with a variable cushion at each end, it takes a CA pivot back cover so the tail can rock on a pin instead of fighting the frame.
Hard-chrome plating 20 um thick over the carbon-steel rod plus a rolled-in stainless tube gives real corrosion headroom in food plants and outdoor rigs. The magnet comes standard, dropping straight onto CMSG, DMSG or EMSG switch rails. Split the 157 N thrust in half and you still lift about 8 kg vertically; keep continuous work near 94 N.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X370SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X370SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 370 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 MAC20X370SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×370 | 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 MAC20X370SCA Is Used
Batching plant hopper gate
Swings open a concrete-plant aggregate hopper lid; the CA pivot track matches the arc of the lid.
Bakery dough-trough tipper
Tilts troughs for depositing; 157 N at 0.5 MPa handles an empty or lightly loaded trough.
Seat-rail end-of-line probe
Rocks a gauge arm into car seat slides; a magnet-fed CMSG switch confirms the home position.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X370SCA the Right Cylinder?
Size check: bore 16 tops out at 100.5 N at 0.5 MPa and bore 25 reaches 245.3 N, so the 157 N of this 20 mm bore is the middle option. Port size is 1/8 inch with an M8x1.25 male rod thread. If a valve-centred stop or power cut would let your load sag, remember the rod drifts freely - add a rod lock or pilot check valve.
The CA pivot cover pairs naturally with a clevis or SDB bracket for tilting and swinging motion. With 370 mm of 8 mm rod exposed, align the load on a linear guide or the rod will bend. No special-order piston is needed for position sensing - the magnet is already in every unit.
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 MAC20X370SCA FAQ
Push at 0.5 MPa is 157 N and pull 131.9 N. Raise supply to 0.7 MPa and push reaches 219.8 N with pull at 184.7 N. The theoretical maximum is 32 kgf at 1.0 MPa. Operating pressure spans 0.15-1.0 MPa (22-145 psi) at 30-800 mm/s.
Yes. The variable air cushion at both ends is backed off for safety; open the needle screws gradually until end-of-stroke shock disappears. This protects the aluminium covers on a 370 mm stroke.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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Most inquiries answered within 7-8 hours.
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