Airtac MAC Stainless Steel Mini Air Cylinder MAC25X125SCALB
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X125SCALB is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 125mm 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
- Stroke125 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 MAC25X125SCALB
Bolt this foot-mounted bore 25 cylinder to the machine frame and the MAC25X125SCALB turns 0.5 MPa air into 245.3 N of push and 206.1 N of pull over a 125 mm stroke. At 0.7 MPa output climbs to 343.4 N push / 288.5 N pull, and the theoretical ceiling is 50 kgf at 1.0 MPa. In vertical use that 0.5 MPa push converts to roughly 25 kgf, so with a 2:1 margin it lifts about 12 kg vertically - handy for matching real part weights.
The LB feet anchor a riveted stainless round barrel to any flat surface, a mounting that spreads load well on longer strokes like this 125 mm. Both covers carry a variable air cushion, so heavy or fast strokes can be softened at each end with the needle screws. A magnet ships as standard for CMSG, DMSG or EMSG position switches, the rod is hard-chrome plated carbon steel, and the air port is 1/8 inch.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X125SCALB Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X125SCALB |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 125 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 MAC25X125SCALB
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×125 | 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 MAC25X125SCALB Is Used
Two-level fixture lift
Raises a 10 kg jig between loading and machining levels on a semi-automatic fixture, using the calculated 12 kg vertical lift capacity with margin.
Coating dispensing pump drive
Powers the stroke of a small paint or adhesive dispensing pump in a finishing cell, where the foot mount anchors the body beside the pump body.
Pallet indexing pusher
Indexes small pallets along a timber-working line, with the 125 mm stroke covering one pallet pitch and the air cushion settling each push.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X125SCALB the Right Cylinder?
For the same 125 mm stroke, a bore 20 unit manages 157.0 N push at 0.5 MPa and a bore 32 delivers 402.2 N, so choose 20 to save space or 32 when loads approach 350 N. This is a double-acting cylinder with no position holding: when air is lost or the valve centres, the piston moves with the load, so fit a rod lock or pilot check valve where that matters. Feet keep alignment simple, but verify the rod axis against the load - a 125 mm stroke tolerates little side force. Magnet-equipped piston means sensing needs no options or special order.
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 MAC25X125SCALB FAQ
Push is 245.3 N and pull 206.1 N at 0.5 MPa; at 0.7 MPa expect 343.4 N push and 288.5 N pull; theoretical maximum output is 50 kgf at 1.0 MPa. The cylinder is double acting with variable air cushioning, works from 0.15-1.0 MPa (22-145 psi) at 30-800 mm/s, and its port is 1/8 inch.
Feet clamp the riveted stainless body to a flat machine surface and keep the rod axis stable over longer travels, where side loads and misalignment are more punishing. If the layout later needs a flange or pivot instead, FA, SDB and CA or CM options exist on the same bore.
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