
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X85-10S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø16mm bore and 85mm stroke, M5×0.8 air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
The smallest bore in the MAJ family still moves real weight: double-acting, 16 mm bore, 85 mm of travel, with an external stop screw that shortens the extend stroke by up to 10 mm once the cylinder is mounted. At 0.5 MPa the rod pushes 100.5 N and retracts with 86.4 N - treat about 60 N as the practical share for tooling so the cylinder never runs on its limit.
The round body is a rolled stainless-steel barrel with a 6 mm hard-chromed carbon-steel rod, so splash, condensation and washdown mist do not eat it the way they attack painted mini cylinders. Fixed anti-impact pads soften each stroke end (deceleration only - adjustable cushioning lives in the MACJ range), the built-in magnet accepts CMSG, DMSG or EMSG switches with no special-order piston, and ports are M5x0.8 with an M6x1.0 rod thread.
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X85-10S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 85 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. |
| ×85 | 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.
Kicks off-weight capsules off the inspection belt; the 10 mm trim dials the eject point in after the chute is aligned, and a 60 N working force is ample for a 15 g capsule.
Clamps the board edge while the router passes; a magnet is built in, so a DMSG switch confirms clamping before the spindle starts.
Raises and lowers a sampling probe in clinical analyzers; the stainless barrel tolerates reagent splash that corrodes painted bodies.
At 100.5 N push this is the light-duty entry point; if the load climbs past roughly 60 N of working force, step up to the 20 mm bore, which delivers 157.0 N at 0.5 MPa. If no on-site trimming is ever needed, the plain fixed-stroke MA double-acting mini in the same bore is the simpler order.
The -10 stop sets where the extend stroke ends; it is not a mid-stroke brake, so with air lost the rod still drifts and a mechanical clamp must hold the load. Mount with an FA flange or LB foot, add I or Y rod knuckles for linkage work, and keep side loads off the 6 mm rod across the 85 mm travel. Run 0.15-1.0 MPa (22-145 psi) at 30-800 mm/s.
Quick checklist
At 0.5 MPa: 100.5 N push and 86.4 N pull. At 0.7 MPa: 140.7 N push and 120.9 N pull. The theoretical maximum is 20.5 kgf at 1.0 MPa, so budgeting near 60 N of working force keeps a healthy reserve.
No. An external stop screw trims the extend stroke by up to 10 mm, while fixed bumper pads only soften the end-of-stroke knock. For adjustable cushioning, AirTAC's MACJ is the matching series.
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