Airtac MAC Stainless Steel Mini Air Cylinder MAC25X100SCMLB
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X100SCMLB is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 100mm 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
- Stroke100 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 MAC25X100SCMLB
A riveted stainless-steel round barrel with a hard-chrome plated rod lets the MAC25X100SCMLB shrug off washdown and damp plant air where painted mini cylinders rust. AirTAC rolls the aluminium covers onto the tube in a sealed pack with no external fasteners, and the double-acting piston carries a variable air cushion at each end.
On a 25 mm bore this cylinder pushes 245.3 N at 0.5 MPa and 343.4 N at 0.7 MPa. In practice plan for roughly 147 N of real work at 0.5 MPa, and expect the same body to lift about 25 kgf vertically, or 12 kg with a 2:1 margin. Air runs at 0.15-1.0 MPa (22-145 psi), rod speed 30-800 mm/s.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X100SCMLB Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X100SCMLB |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 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 MAC25X100SCMLB
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×100 | 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 MAC25X100SCMLB Is Used
CNC tending gripper slide
With about 147 N of usable push, the cylinder drives a gripper arm loading aluminium housings into a lathe chuck on a 100 mm approach stroke.
Carton reject pusher
Mid-stroke it pushes mislabeled cartons off a packaging conveyor; the LB foot holds the body square to the lane and the end cushions absorb the stop.
Weld fixture clamp arm
Closes a clamp arm onto a sheet-metal bracket at a manual weld bench; 245.3 N at 0.5 MPa seats the part against the locating pins.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X100SCMLB the Right Cylinder?
Strokes run to 500 mm standard on the 25 mm bore, and 100 mm sits comfortably inside that. If 157.0 N at 0.5 MPa from a 20 mm bore falls short, step up; if this bore's 245.3 N is more than the job needs, the smaller 20 mm frame saves space. For 400 N class forces the 32 mm bore delivers 402.2 N at 0.5 MPa.
The LB foot mount bolts the body flat to a machine plate, while the CM round-end back cover takes a pivot pin if the axis must swing. The built-in magnet is standard, so CMSG, DMSG or EMSG switches read position without a special-order piston. Note the MAC drifts when air is removed or the valve centres - for a held load add a rod lock or pilot check valve.
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 MAC25X100SCMLB FAQ
Double-acting on a 25 mm bore: 245.3 N push and 206.1 N pull at 0.5 MPa, 343.4 N push at 0.7 MPa, with a theoretical maximum of 50 kgf at 1.0 MPa. A practical planning figure is about 147 N at 0.5 MPa. Supply pressure is 0.15-1.0 MPa (22-145 psi) and rod speed 30-800 mm/s.
Both ends carry a variable air cushion with adjustable needle screws. Back the screws fully off before the first stroke, then close them gradually until end-of-stroke shock disappears at your working speed. Travel range is 30-800 mm/s and each end is tuned separately, so a heavy load on one side can be damped without slowing the return.
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