
The AirTAC Airtac MARF Stainless Steel Mini Air Cylinder MARF32X150S is a genuine double acting + cushion (front mount) standard round-body mini air cylinder with a Ø32mm bore and 150mm 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.
With 150 mm of travel and 402 N of extend force at 0.5 MPa, this 32 mm MAR cylinder handles mid-range push, pull and lift jobs in one compact round body. Turn the force into practical terms: the theoretical vertical lift is about 41 kg, and halving that for a 2:1 margin still lets you hoist roughly 20 kg parts with confidence.
The mounting story is short because the front flange is riveted in as part of the cover - bolt the face to the machine and start cycling. Corrosion-prone corners suit its stainless tube and hard-chrome 12 mm rod, the two-ended variable cushion tunes out end impact across the 30-800 mm/s range, and the standard magnet pairs with CMSG, DMSG or EMSG switches out of the box.
| Model | Airtac MARF Stainless Steel Mini Air Cylinder MARF32X150S |
|---|---|
| Series | MAR mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 150 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.
| 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.
| 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. |
| ×150 | 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.
Opening and closing a slide gate that meters granular material from a small hopper; the front flange sits flat against the gate bracket and 402 N shears the material column.
Kicking finished parts out of a trim die; the 150 mm stroke reaches deep into the die nest while the cushioned end protects the tooling.
Pushing small parcels off a sorter belt into a chute; the working force band around 241 N moves light cartons briskly and a CMSG switch confirms full retract between diverts.
Size around the neighbours: 25 mm bore offers 245 N at 0.5 MPa and 40 mm bore 628 N, so the 32 mm class serves a working force of roughly 240 N best. Remember the rod follows the load if air is lost - fit a rod lock cylinder wherever a raised or clamped part must not move. At 150 mm of extension keep side loads off the 12 mm rod or guide the load externally to protect the barrel and seals; strokes past 500 mm move into made-to-order territory.
Quick checklist
Push is 402 N and pull 345.6 N at 0.5 MPa; at 0.7 MPa it reaches 563 N push and 483.8 N pull, with a theoretical 82 kgf maximum at 1.0 MPa. Bore 32 mm, rod 12 mm with M10x1.25 male thread, port 1/8", operating pressure 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s.
Needle screws in both end covers meter the exhaust air, so you can dial the deceleration of the 150 mm stroke until the load stops softly instead of hammering the covers. Set them once at commissioning and re-trim if speed or load changes - the cushion is adjustable, not fixed.
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