
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X120-10S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø16mm bore and 120mm stroke, M5×0.8 air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
A 120 mm stroke in a 16 mm stainless body: the MAJ16X120-10S is double-acting, and its extend travel can be dialed down within a 10 mm window by turning the external stop screw. Push force at 0.5 MPa is 100.5 N against 86.4 N on the return side.
The rolled-on aluminium covers and stainless tube form a riveted, washdown-tolerant package for food benches and damp cells. Anti-impact pads are fixed - they cushion the landing but cannot be tuned like the cushions on a MAC cylinder. Treat 60 N as your working push at 0.5 MPa, which covers a vertical hoist of about 5 kg once you keep a 2:1 margin, and note the magnet is already fitted for CMSG, DMSG and EMSG switches.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X120-10S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 120 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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 300 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 | 101 N | 86 N |
| 0.7 MPa | 141 N | 121 N |
| Max (@1.0 MPa) | 21 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). |
|---|---|
| 16 | Bore size in mm. |
| ×120 | Stroke length in mm. |
| -10 | 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.
Pushes stainless cart doors shut across 110-120 mm of travel; the chrome rod resists grease-laden kitchen air.
Presses a PCB assembly into a test nest at roughly 60 N working force; the 10 mm trim matches nest heights per product variant.
Positions the wipe-on pad across a 110-120 mm wrapper window on bottling lines; CMSG sensors report extend and retract to the PLC.
If 100.5 N at 0.5 MPa is close to your need, budget the 60 N working figure rather than the peak; need more? MAJ20 offers 157 N and MAJ25 245.3 N at the same pressure. The 6 mm rod at 120 mm of stroke has the highest slenderness in the MA line - avoid cantilevered side loads or guide them off-cylinder.
Flange (FA) and foot (LB) mountings plus I/Y knuckles attach it to most light frames; M5x0.8 ports keep plumbing small. Remember the stop screw positions the extend stroke but is not a load lock - with air gone, the piston can still be pushed along.
Quick checklist
Double-acting output is 100.5 N extend and 86.4 N retract at 0.5 MPa, rising to 140.7 N and 120.9 N at 0.7 MPa, with a 20.5 kgf theoretical peak at 1.0 MPa. Operating range: 0.15-1.0 MPa (22-145 psi), -20 to +70 C, 30-800 mm/s rod speed, M5x0.8 port.
It is not. The fixed bumper pads simply decelerate the piston at each stroke end to cut noise and wear; tunable air cushions are a feature of the MAC family, not this MAJ. If your cycle needs adjustable deceleration plus trimming, compare the MACJ before ordering.
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