Airtac MAC Stainless Steel Mini Air Cylinder MAC16X25SU
The AirTAC Airtac MAC Stainless Steel Mini Air Cylinder MAC16X25SU is a genuine double acting + cushion standard round-body mini air cylinder with a Ø16mm bore and 25mm stroke, M5×0.8 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.
- BoreØ16 mm
- Stroke25 mm
- Port sizeM5×0.8
- Acting typeDouble acting + cushion
- Rod threadM6×1.0
- CushionVariable air cushion, both ends
About the Airtac MAC Stainless Steel Mini Air Cylinder MAC16X25SU
Flat-backed and compact, the U version of this 16 mm bore MAC bolts directly onto a machine plate through its flat-end cover, no adapter block needed. Stroke is 25 mm; force at 0.5 MPa is 100.5 N pushing and 86.4 N pulling, rising to 140.7 N and 120.9 N at 0.7 MPa. Double acting on both strokes with a variable cushion each end, it runs clean filtered air at 0.15-1.0 MPa (22-145 psi) and 30-800 mm/s.
Treat about 60 N as the usable push at 0.5 MPa and the cylinder keeps margin over its working life - enough to clamp a light extrusion stop or snap a micro switch flag. The rolled stainless barrel and 20 um hard-chrome rod take repeated damp cycles without the flaking that plagues coated minis. CMSG / DMSG / EMSG switches read the standard magnet immediately, and the cushion needles open gradually after a fully backed-off start.
Airtac MAC Stainless Steel Mini Air Cylinder MAC16X25SU Technical Specifications
| Model | Airtac MAC Stainless Steel Mini Air Cylinder MAC16X25SU |
|---|---|
| Series | MAC mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 25 mm |
| Acting type | Double acting + cushion |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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 (Ø16mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 101 N | 86 N |
| 0.7 MPa | 141 N | 121 N |
| Max (@1.0 MPa) | 21 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 MAC16X25SU
| MAC | Standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 16 | Bore size in mm. |
| ×25 | 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 MAC16X25SU Is Used
Timing screw gate stop
A feeding machine gates parts behind timing screws; the flat-end cover sits flush against the frame and 100.5 N blocks the part flow positively.
Stage slide lock
A small X-Y positioning stage is locked by a wedge plunger driven 25 mm; the U cover anchors the cylinder straight to the stage base plate.
Label peel press roller
A benchtop labeller presses a roller down onto the web for 25 mm; the cushion lands the roller gently on the label stock without marking it.
Is the Airtac MAC Stainless Steel Mini Air Cylinder MAC16X25SU the Right Cylinder?
Bore 16 is the entry force level; move to 157 N (bore 20) or 245.3 N (bore 25) at 0.5 MPa when the stop or clamp needs more muscle. Remember the rod is free once air is removed - a centred valve does not park it, so pilot check valves or a rod lock handle position-holding duties. For fixed mounting, the U cover plus FA flange or LB foot is the natural pair; SDB pivot suits a rocking base and CA or CM covers suit pinned links.
At 25 mm of travel the 6 mm rod sees little bending load, yet a guided load still pays off in seal life. Sensor feedback is included through the standard piston magnet.
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 MAC16X25SU FAQ
Push 100.5 N / pull 86.4 N at 0.5 MPa; push 140.7 N / pull 120.9 N at 0.7 MPa; 20.5 kgf theoretical peak at 1.0 MPa. The 16 mm bore uses M5x0.8 ports, the 6 mm rod carries an M6x1.0 thread, and the longest standard stroke in this bore is 500 mm.
No. Being double acting without a lock, the rod drifts once air pressure is removed or the valve centres. For a clamp that must hold, add a pilot check valve in the air lines or specify a rod lock; the cushions damp end-of-stroke impact only.
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