
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X50-20SLB is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø16mm bore and 50mm stroke, M5×0.8 air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
Foot mounting changes where this 16 mm adjustable cylinder can live. The MAJ16X50-20SLB bolts flat through its LB base, trimming its 50 mm extend stroke by up to 20 mm via an external stop screw, and delivering 100.5 N of push (86.4 N retract) at 0.5 MPa.
The same stainless barrel and 20 um hard-chrome rod as the rest of the range shrug off splash zones without paint flaking into the product stream. Size honestly: plan on about 60 N of working force at 0.5 MPa, enough to lift roughly 5 kg vertically with a 2:1 margin, and add a CMSG, DMSG or EMSG switch freely - the magnet comes standard in every MAJ.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X50-20SLB |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 50 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. |
| ×50 | Stroke length in mm. |
| -20 | 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 misaligned vials off a pharma conveyor from a foot bracket under the frame, away from washdown spray.
Clamps label stock against a platen on a small press; LB feet keep the cylinder aligned through millions of cycles.
Drives a slide gate on a hopper outlet, with the 20 mm trim matching gate travel to different granule batch sizes.
The LB foot spreads thrust onto the mounting plate, which suits horizontal pushers; FA flange and I or Y rod knuckles remain alternatives if the layout changes. Against 0.5 MPa thrust, moving from 16 mm (100.5 N) to 20 mm buys 157.0 N if the 50 mm stroke must shift more mass, and 25 mm reaches 245.3 N. Keep the stop screw role in mind: it pins the extend end point but is not a load-holding device, so support held loads externally when air drops.
Quick checklist
Push is 100.5 N and pull 86.4 N at 0.5 MPa; at 0.7 MPa those become 140.7 N and 120.9 N, and the theoretical ceiling is 20.5 kgf at 1.0 MPa. The cylinder runs on 40 um filtered air at 0.15-1.0 MPa (22-145 psi) at 30-800 mm/s from -20 to +70 C.
LB is a foot (base) mount that bolts the cylinder flat to a plate - convenient for horizontal push runs. AirTAC also offers FA flange mounting and I or Y rod knuckles for the same bore and stroke. The rod side is a 6 mm rod with M6x1.0 male thread.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
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