Airtac MARF Stainless Steel Mini Air Cylinder MARF32X125S
The AirTAC Airtac MARF Stainless Steel Mini Air Cylinder MARF32X125S is a genuine double acting + cushion (front mount) standard round-body mini air cylinder with a Ø32mm 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.
- BoreØ32 mm
- Stroke125 mm
- Port size1/8"
- Acting typeDouble acting + cushion (front mount)
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MARF Stainless Steel Mini Air Cylinder MARF32X125S
Behind the 402 N extend rating at 0.5 MPa sits a cylinder built to keep producing in messy corners of the plant: a riveted stainless tube, a 12 mm hard-chrome rod and heterogeneous piston seals that carry their own grease reserve. Painted mini cylinders fade in such spots; this one keeps its 125 mm stroke moving.
Because the front flange is part of the rolled cover assembly, installation is a single bolt pattern with no bracket kit to source. In vertical terms the same force equates to lifting roughly 41 kg, or about 20 kg with a 2:1 margin - a handy check when matching it to a real part weight. CMSG, DMSG and EMSG switches drop straight on thanks to the standard piston magnet.
Airtac MARF Stainless Steel Mini Air Cylinder MARF32X125S Technical Specifications
| Model | Airtac MARF Stainless Steel Mini Air Cylinder MARF32X125S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 mm |
| Acting type | Double acting + cushion (front mount) |
| 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MARF Stainless Steel Mini Air Cylinder MARF32X125S
| MAR | Standard round-body mini cylinder (double-acting, integrated mount, variable cushion). |
|---|---|
| F | Front-cover mount: F = front-flange mounting. |
| 32 | Bore size in mm. |
| ×125 | Stroke length in mm. |
| -S | Built-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series). |
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 MARF Stainless Steel Mini Air Cylinder MARF32X125S Is Used
Case pusher on a carton line
Pushing formed cartons across a case-packer table; 402 N at 0.5 MPa clears a jammed row and the variable cushions keep the 125 mm travel quiet at line speed.
Weld-fixture clamp arm
Swinging a clamp arm over aluminium extrusions before tack welding; the front flange bolts flush to the fixture base plate with no loose bracket.
Stopper pin on an assembly conveyor
Raising and lowering a stopper blade to pace parts on a small assembly conveyor; the standard magnet lets a DMSG switch confirm the pin is down.
Is the Airtac MARF Stainless Steel Mini Air Cylinder MARF32X125S the Right Cylinder?
For comparison, a 25 mm bore delivers 245 N at 0.5 MPa and a 40 mm bore 628 N, placing the 32 mm MAR in the practical middle for clamping and pushing. Air loss means motion: without pressure the rod follows the load, so specify a rod lock when a clamp must hold unpowered. The 1/8" port keeps plumbing compact and the M10x1.25 rod thread accepts standard I and Y knuckles if your linkage needs one.
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 MARF Stainless Steel Mini Air Cylinder MARF32X125S FAQ
Extend force is 402 N and retract 345.6 N at 0.5 MPa; at 0.7 MPa expect 563 N and 483.8 N respectively, with 82 kgf as the theoretical maximum at 1.0 MPa. Bore is 32 mm, rod 12 mm with M10x1.25 male thread, port 1/8", and the 125 mm stroke sits well inside the 500 mm standard maximum.
The stainless barrel with its hard-chrome plated rod tolerates splash, condensation and periodic washdown that rust painted steel housings. Add the adjustable two-ended cushion and the built-in magnet for CMSG / DMSG / EMSG sensing, and you get longer service in wet or dusty cells.
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