Airtac MAC Stainless Steel Mini Air Cylinder MAC20X260SCA
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC20X260SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø20mm bore and 260mm 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
- Stroke260 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 MAC20X260SCA
The MAC20X260SCA pairs a 260 mm stroke with a pivot (CA) back cover, so the whole cylinder swings on a clevis pin without a separate bracket. Inside, double-acting air drives the piston out and back, and a variable cushion at each end soaks up end-of-stroke shock. The barrel is a stainless tube rolled onto aluminium covers - a riveted round-body build that shrugs off washdown and humid air far better than painted minis.
At 0.5 MPa this 20 mm bore pushes with 157 N and pulls with 131.9 N; at 0.7 MPa push rises to 219.8 N. Size real work to roughly 94 N and you keep a healthy margin, which translates to lifting about 8 kg vertically at a 2:1 margin. A magnet is built in as standard, so CMSG, DMSG or EMSG switches clip straight onto the barrel with no special-order piston.
Airtac MAC Stainless Steel Mini Air Cylinder MAC20X260SCA Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC20X260SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 260 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 MAC20X260SCA
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×260 | 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 MAC20X260SCA Is Used
Bakery tray-gate swing
A clevis-pinned MAC20X260SCA swings a hot-tray gate through 260 mm on a bakery oven line; the stainless barrel shrugs off daily washdown and the rear cushion stops the gate banging shut.
Carton flap folder
On a case packer, the cylinder folds glue-set carton flaps; 157 N push at 0.5 MPa is ample for small parcels, and the pivot back cover pins straight to the folding linkage.
Roaster hopper dosing gate
A coffee roaster hopper gate opens 260 mm per dose; the built-in magnet feeds a CMSG switch so the controller confirms full open before each batch drops.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC20X260SCA the Right Cylinder?
Mid-range sizing at 0.5 MPa push: bore 16 gives 100.5 N, this bore 157 N, and bore 25 steps up to 245.3 N. If the valve centres or the air drops, the rod simply coasts, so position holding calls for a rod lock or pilot check valve rather than the cushion. The CA pivot cover takes a clevis pin directly; FA flange, LB foot and SDB pivot brackets plus I and Y knuckles cover other fixings. At 260 mm, guide the load externally - side thrust bends an unsupported 8 mm rod.
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 MAC20X260SCA FAQ
At 0.5 MPa the 20 mm bore pushes 157 N and pulls 131.9 N; at 0.7 MPa, 219.8 N push and 184.7 N pull; theoretical peak is 32.0 kgf at 1.0 MPa. Working range is 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi), speed 30-800 mm/s, stroke 260 mm, ports 1/8", rod thread M8x1.25.
The CA cover adds a pivot eye for clevis pins, so the cylinder swings with the load arc without extra brackets. The magnet is built in on every MAC, so CMSG, DMSG or EMSG switches clip to the barrel for end-position signals straight out of the box.
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