
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X175-40S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 175mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
The widest trim window in this 175 mm family: an external stop screw on the MAJ32X175-40S shaves up to 40 mm off the extend stroke on site. Expect 402 N push and 346 N pull at 0.5 MPa, 563 N at 0.7 MPa. The stainless barrel with riveted aluminium covers and a hard-chrome plated 12 mm rod is a genuine washdown survivor in wet or outdoor cells.
Lifting math: 402 N is about 41 kgf, so halving for a 2:1 margin leaves roughly 20 kg of vertical lift. Anti-impact bumpers are fixed, not adjustable cushions, the piston magnet is fitted as standard for CMSG / DMSG / EMSG switches, and operation runs 30-800 mm/s at 0.15-1.0 MPa (22-145 psi).
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X175-40S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 175 mm |
| Acting type | Double acting, adjustable stroke |
| 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 | Fixed anti-impact bumper pads |
| 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.
| MAJ | Standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 32 | Bore size in mm. |
| ×175 | Stroke length in mm. |
| -40 | 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.
Presses crimp terminals onto wire harnesses at a bench cell, dialing the extend stroke back 40 mm for short connectors.
Swings the diverter gate that routes cartons between lanes in a distribution-center sorter, 175 mm of travel per divert.
Lowers filled vials into deep trays on a pharma filling line, lifting about 20 kg with a 2:1 vertical margin.
Sizing check: at 0.5 MPa a 25 mm bore tops out at 245 N and a 40 mm bore reaches 628 N, so the 32 mm MAJ covers mid-range tooling across a 175 mm stroke. The -40 window is an extend-end stop rather than a mid-stroke holding brake, so expect rod drift if supply air fails. FA flange and LB foot mounts are listed, rod knuckles I and Y are available, and the magnet comes installed from the factory.
Quick checklist
Push and pull at 0.5 MPa are 402 N and 346 N respectively; at 0.7 MPa they become 563 N and 484 N. At the 1.0 MPa theoretical limit the bore produces 82 kgf. Proof pressure is 1.5 MPa (215 psi).
FA flange and LB foot brackets bolt to the round body, while I and Y rod knuckles adapt the M10x1.25 threaded rod to swivel linkages. The adjustable-stroke version has no SDB or back-cover mounting code, so plan fixtures around FA, LB, I or Y.
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