
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X200-75S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø32mm bore and 200mm 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.
Wide adjustment is the draw here: the MACJ32X200-75S lets you set the extend stroke anywhere in a 75 mm band via its external stop screw, with a variable cushion at both ends to kill end-of-stroke bang. It is double-acting throughout, running 30-800 mm/s on filtered air at 0.15-1.0 MPa (22-145 psi).
At 0.5 MPa the bore pushes 402 N and pulls 346 N; planning real work around 241 N keeps seals and the rod bearing living longer. The 12 mm hard-chrome plated rod and stainless round barrel laugh off washdown mist, and the built-in magnet - standard on all MA cylinders - pairs with CMSG / DMSG / EMSG switches for clean end-of-stroke signalling to your controller.
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X200-75S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 200 mm |
| Acting type | Double acting, adjustable stroke + 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 | 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.
| MACJ | Standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×200 | Stroke length in mm. |
| -75 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -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.
The 75 mm band covers three gauge positions on one cylinder, trimming the extend stroke per part family with the external stop screw instead of shimming the bracket.
Kicks parcels off the main belt into a chute; dual air cushions absorb the kick-back so the sorter can run near the top of the 30-800 mm/s speed range.
Lifts tape rolls of roughly 20 kg vertically between spindle and cradle; the stainless body shrugs off the adhesive mist that coats machines in this corner.
If your load needs under 241 N of honest working force at 0.5 MPa, the 25 mm MACJ (245 N rated) may suffice; above that, this 32 mm at 402 N; past 560 N, step to the 40 mm (628 N). The generous 75 mm adjust band is set by the external screw and shortens the extend stroke only - on air failure the piston is free to move, so treat it as a stroke limit, never a lock.
FA flange and LB foot mounts suit the riveted round body, and 200 mm sits comfortably under the 500 mm standard-stroke ceiling for this bore, so no custom barrel is required.
Quick checklist
At 0.5 MPa: 402 N push, 346 N pull. At 0.7 MPa: 563 N push, 484 N pull. Theoretical maximum 82 kgf at 1.0 MPa. Running pressure 0.15-1.0 MPa (22-145 psi), proof 1.5 MPa (215 psi). The extend stroke is trimmed by an external stop screw anywhere in the 75 mm window, with a variable air cushion at both ends.
FA flange and LB foot bolt the body down, while I and Y rod knuckles take pivoting loads; the adjustable-stroke version has no SDB or back-cover codes. The piston magnet is fitted as standard, so CMSG, DMSG and EMSG switches mount on the barrel out of the box.
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