
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC25X700SCA is a genuine double acting + cushion standard round-body mini air cylinder with a Ø25mm bore and 700mm 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.
Pivot duty is where the MAC25X700SCA earns its keep: a CA back cover with an integrated pivot eye pins straight into linkages, levers and swing arms, cutting bracket work on a 700 mm made-to-order stroke. Double acting with a variable air cushion at each end, it pushes 245 N at 0.5 MPa and pulls 206 N at the same pressure on a 25 mm bore.
Design around 147 N of usable push at 0.5 MPa and the drive keeps margin in hand for friction losses through the linkage. Around a washdown corner of a food plant the stainless barrel and 20 um chrome rod resist the corrosion that eats painted minis, and the standard-fit magnet means CMSG, DMSG or EMSG switches mount without ordering a special piston.
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC25X700SCA |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 700 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.
| 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.
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×700 | 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.
Pins into the scissor arm directly through the CA eye; 147 N of working push at 0.5 MPa raises the light platform while the cushion softens the top of travel.
The pivot eye lets the arm sweep through its arc with no extra rod-end bracket, and the standard magnet signals arm-park to the PLC via a DMSG switch.
The pull side delivers 206 N at 0.5 MPa to retract the gate against water head, and the chrome-plated rod shrugs off humid dye-house air year after year.
For lighter linkages a 20 mm bore at 157 N push (0.5 MPa) may suffice; for a heavy lever with tight pivots step up to 32 mm and 402 N push at 0.5 MPa. At 700 mm travel, keep side loads through the pivot eye low and guide the linkage externally, since a long unsupported rod is vulnerable to bending. Ports are 1/8 inch on this bore. Because the rod coasts when the valve centres or air drops, add a pilot check valve if the arm must stay parked mid-motion; FA flange or LB foot brackets can also steady the barrel alongside the CA eye.
Quick checklist
Bore 25 mm: push 245 N and pull 206 N at 0.5 MPa, rising to 343 N push and 289 N pull at 0.7 MPa; the theoretical top figure is 50 kgf at 1.0 MPa. It runs on 0.15-1.0 MPa (22-145 psi), survives 1.5 MPa (215 psi) proof, and cycles at 30-800 mm/s. The 700 mm stroke is a to-order length, since the standard cap for this bore is 500 mm.
The CA cover integrates a pivot eye, so linkage pins connect without a separate rod-end knuckle - valuable on a 700 mm stroke where small misalignments multiply over the travel. Combined with the riveted stainless body and the standard magnet for CMSG, DMSG or EMSG sensors, it keeps a long pivot installation simple to build and align.
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