Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SCM
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SCM is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 150mm 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.
- BoreØ25 mm
- Stroke150 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SCM
A round-body mini cylinder built for continuous cycling, the MAC25X150SCM runs double acting with a variable air cushion at both ends. AirTAC rivets aluminium-alloy covers and a stainless block onto a stainless barrel, then fits a 10 mm hard-chrome plated rod, so the assembly shrugs off mild corrosion in damp, food or outdoor corners where painted minis suffer. The CM round-end back cover arrives fitted, and the magnet is standard - CMSG, DMSG or EMSG switches clip on without a special-order piston.
At 0.5 MPa the 25 mm bore delivers 245.3 N on extend, roughly 25 kg of push. Apply the usual 2:1 margin and this cylinder lifts about 12 kg vertically with room to spare. Because the cushions are adjustable, you can run the 150 mm stroke near the top of the 30-800 mm/s range and still land loads softly instead of hammering the covers - just back the needle screws off on first run and close them gradually.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SCM Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SCM |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 150 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 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 MAC25X150SCM
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×150 | 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 MAC25X150SCM Is Used
Carton divert gate
Flips a sorting gate on a bottling line to send 12 kg cartons down the reject lane, cushions softening both stops.
Drill jig clamp
Clamps aluminium housings in a small CNC drilling fixture where 245 N at 0.5 MPa is enough hold-down force.
Lid lift on filler
Raises a filling-head guard or lid weighing under 12 kg on a packaging machine, with a DMSG switch confirming position.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X150SCM the Right Cylinder?
Size from the numbers: a 20 mm bore pushes 157.0 N at 0.5 MPa and a 32 mm bore pushes 402.2 N, so this 25 mm sits between them at 245.3 N. When air is lost or the valve centres, the rod drifts freely - the cushion is not a brake - so add a rod lock or pilot check valve if the load must stay put. The CM back cover bolts straight into fixed brackets; for other frames, FA flange, LB foot or SDB pivot brackets bolt on, and I or Y knuckles handle pivoting rod ends. Over the 150 mm travel, keep side loads off the 10 mm rod by guiding the load or aligning it true.
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 MAC25X150SCM FAQ
At 0.5 MPa it pushes 245.3 N and pulls 206.1 N; at 0.7 MPa those rise to 343.4 N push and 288.5 N pull. The theoretical maximum for this 25 mm bore is 50.0 kgf at 1.0 MPa. Supply pressure can sit anywhere in 0.15-1.0 MPa (22-145 psi), and rod speed spans 30-800 mm/s.
The CM back cover finishes in a rounded boss that mounts directly into a fixed bore or clevis bracket, no adapter plate needed. If you would rather have a flange or foot, order the FA, LB or SDB variants - and the built-in magnet already works with CMSG, DMSG and EMSG switches.
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