Airtac MAC Stainless Steel Mini Air Cylinder MAC25X75SCASDB
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X75SCASDB is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 75mm 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
- Stroke75 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 MAC25X75SCASDB
Where a swinging arm needs both a rear pivot eye and a bracket, the MAC25X75SCASDB arrives pre-configured with the CA back cover and an SDB pivot bracket written into the order code. Inside is the familiar 25 mm double acting mini: stainless barrel, hard-chrome 10 mm rod, and needle valves that bleed the cushion chambers so stops stay quiet at both ends. Extend force is 245.3 N at 0.5 MPa and 206.1 N on the return, reaching 343.4 N at 0.7 MPa for a 50 kgf theoretical maximum.
Riveted aluminium covers seal the barrel against splash and humidity, which is why these minis survive food-line washdowns that pit coated housings. The piston magnet is standard, so EMSG or CMSG sensors mount without special orders. A useful sizing note: the rated 245 N translates to about 25 kg of raw vertical lift, or roughly 12 kg once you keep a 2:1 margin.
Airtac MAC Stainless Steel Mini Air Cylinder MAC25X75SCASDB Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X75SCASDB |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 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 MAC25X75SCASDB
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×75 | 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 MAC25X75SCASDB Is Used
Gate arm on tilt hopper
Opens the gate of a small ingredient hopper; the SDB pivot bracket swings the arm while 343 N at 0.7 MPa shears compacted powder bridging.
Lid clamp on mixer pan
Holds a mixer lid during a 30 second blend; the pivoting rear mount follows lid deflection, and the EMSG switch confirms the closed position.
Kick-off pusher
A pivoting pusher kicks cartons onto a cross belt; 245 N at 0.5 MPa moves about 12 kg cartons with a 2:1 margin, cushioned at both stops.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC25X75SCASDB the Right Cylinder?
Forces frame the decision: 157 N from a 20 mm bore or 402 N from a 32 mm at 0.5 MPa, versus 245.3 N push and 206.1 N pull from this 25 mm unit, so match your gripper or lever torque to that band. Do not treat it as a position lock; with no air the rod floats freely, so a rod lock or pilot check valve handles stationary loads. The CA pivot plus SDB bracket combination suits swing arms, with FA flange and LB foot as alternatives and PT, G or NPT ports to choose on the 1/8 connections. Standard strokes run to 500 mm; near that limit, watch side load on the rod and add external guides.
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 MAC25X75SCASDB FAQ
Extend force is 245.3 N and retract 206.1 N at 0.5 MPa; at 0.7 MPa expect 343.4 N push and 288.5 N pull, with a 50 kgf theoretical maximum at 1.0 MPa. It runs 0.15-1.0 MPa (22-145 psi) at 30-800 mm/s, cushioned at both ends.
No. As a plain double acting cylinder, the rod drifts whenever pressure drops or the valve centres. The air cushion only softens the last millimetres of travel, it never locks the piston; add a rod lock or pilot check valve where a load must stay put.
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