
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X175-50S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø16mm bore and 175mm stroke, M5×0.8 air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
A 16 mm bore piston in a rolled stainless round body, the MAJ16X175-50S runs double-acting with a 175 mm stroke that an external stop screw trims by up to 50 mm on site. At 0.5 MPa it pushes 100.5 N and pulls 86.4 N; at 0.7 MPa that rises to 140.7 N forward. The 6 mm rod is carbon steel with 20 um of hard chrome, and the riveted aluminium-alloy covers keep the envelope compact.
Because the magnet is built in as standard, CMSG, DMSG or EMSG switches mount without any special piston order - useful for confirming the trimmed extend position. For real work, count on about 60 N at 0.5 MPa rather than the raw rating; that seats small caps or lifts roughly 5 kg vertically with a 2:1 margin. Fixed bumper pads soften both stroke ends, and the stop sets position but never holds the load - the rod still moves if air pressure drops.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X175-50S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 175 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. |
| ×175 | Stroke length in mm. |
| -50 | 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.
A 50 mm trim window lets one cylinder serve fixture variants that eject terminals or pin connectors over different depths, with 100.5 N of push at 0.5 MPa doing the work.
The 175 mm stroke sweeps off-spec blister cards into a bin, while the stainless barrel stands up to wipe-down cleaning between batches.
Pushes microplate carriers 175 mm between stations at 30-800 mm/s, with the standard magnet and a DMSG switch confirming each parked position.
This is the smallest bore AirTAC makes in the MAJ family, so the only sizing move is upward: the 20 mm bore pushes 157 N at 0.5 MPa if your load outgrows the 60 N working band. With a 175 mm travel on a 6 mm rod, keep side loads off the rod and guide the load externally, or shorten the effective stroke with the 50 mm trim window to stiffen the setup. Mount with an FA flange or LB foot, add I or Y rod knuckles where the load pivots, and match the standard magnet to CMSG / DMSG / EMSG switches. If you also need tunable air cushioning rather than fixed pads, compare the MACJ cylinder; for a rod through both ends, look at MAD.
Quick checklist
At 0.5 MPa it pushes 100.5 N and pulls 86.4 N; at 0.7 MPa the figures are 140.7 N and 120.9 N. The theoretical ceiling at 1.0 MPa is about 20.5 kgf. The 6 mm rod has an M6x1.0 male thread and the air port is M5x0.8, with an operating range of 0.15-1.0 MPa (22-145 psi).
Yes - the barrel is stainless steel rolled directly onto aluminium-alloy covers, and the rod carries 20 um of hard chrome, so splash, humidity and light washdown are handled without paint to chip. Note the fixed bumper pads only soften stroke-end impact; they are not adjustable air cushions, and the stroke trim stop is a mechanical end stop, not a load lock.
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