Airtac MARF Stainless Steel Mini Air Cylinder MARF32X170S
The AirTAC Airtac MARF Stainless Steel Mini Air Cylinder MARF32X170S is a genuine double acting + cushion (front mount) standard round-body mini air cylinder with a Ø32mm bore and 170mm 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
- Stroke170 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 MARF32X170S
The front flange is not an add-on on the MARF32X170S - AirTAC rolls the aluminium-alloy covers and stainless block onto the round barrel with the bracket already in place. Double acting with an adjustable cushion at each end, it suits 170 mm stroke jobs where washdown or outdoor damp rules out painted minis.
At 0.5 MPa the 32 mm bore produces 402.2 N push and 345.6 N pull, climbing to 563.0 N at 0.7 MPa and a theoretical 82 kgf at 1.0 MPa. Plan on roughly 241 N of usable push, or let it hoist about 20 kg vertically with double margin. Grease-retaining two-way piston seals keep the bore lubricated between services, and the standard magnet accepts CMSG, DMSG and EMSG switches.
Airtac MARF Stainless Steel Mini Air Cylinder MARF32X170S Technical Specifications
| Model | Airtac MARF Stainless Steel Mini Air Cylinder MARF32X170S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 170 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 MARF32X170S
| 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. |
| ×170 | 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 MARF32X170S Is Used
Lift assist on a bread-depanning head
Raises a 12 kg depanning head each cycle; the top-of-stroke cushion settles the return so the frame does not ring.
Stopper gate on an assembly pallet line
Drops a stopper blade in front of pallets; 402.2 N push at 0.5 MPa holds the queue without the gate bouncing.
Vent-door latch on an outdoor cabinet
Locks a vent door on an outdoor switch enclosure - the stainless barrel and chrome rod shrug off rain and salt-laden air.
Is the Airtac MARF Stainless Steel Mini Air Cylinder MARF32X170S the Right Cylinder?
Bore maths for a 170 mm stroke: MARF25X170S tops out at 245.3 N push at 0.5 MPa - fine for light gates - while MARF40X170S reaches 628.3 N when inertia is high. Because a plain MAR coasts off position once air is lost, use a rod lock where a held stop matters. Long exposed rods pick up side load, so carry the load in slides or rails and keep thrust in line with the rod axis. The integral front flange bolts straight to the frame, the magnet is factory-fitted for CMSG or EMSG switching, and the 1/8" ports take PT (blank), G or NPT at order time.
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 MARF32X170S FAQ
At 0.5 MPa: 402.2 N push and 345.6 N pull. At 0.7 MPa: 563.0 N push and 483.8 N pull. Theoretical maximum force is 82 kgf at 1.0 MPa. Speed range is 30-800 mm/s on 0.15-1.0 MPa (22-145 psi), with a proof pressure of 1.5 MPa (215 psi).
Both ends carry a variable air cushion with needle screws; open them for the first strokes, then close gradually until the 170 mm stroke ends quietly at speed. The cushion only softens the stroke end - it is not a brake and cannot hold the rod against a dropped air supply.
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