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AirTAC MAJ Series · Mini Cylinder

Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X125-30S

The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X125-30S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø16mm bore and 125mm stroke, M5×0.8 air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.

  • BoreØ16 mm
  • Stroke125 mm
  • Port sizeM5×0.8
  • Acting typeDouble acting, adjustable stroke
  • Rod threadM6×1.0
  • CushionFixed anti-impact bumper pads
$37.44 $44.94Save 16% Standard model — ready in 3-5 business days to process and dispatch
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About the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X125-30S

Built on AirTAC's riveted round barrel, the MAJ16X125-30S is a 16 mm bore mini cylinder, double acting, with a 125 mm stroke and a 30 mm adjustable window: an external stop screw trims the extend stroke anywhere in that range on site. At 0.5 MPa it pushes 100.5 N and pulls 86.4 N, enough for light clamping and small-part handling. Air supply runs 0.15-1.0 MPa (22-145 psi) and rod speed 30-800 mm/s.

A stainless-steel barrel with a 20 um hard-chrome plated 6 mm rod shrugs off washdown and mild corrosion, a real edge over painted mini cylinders in damp food or outdoor corners. The magnet is built in as standard, so CMSG, DMSG or EMSG switches clip straight on. In practice, plan on roughly 60 N of usable push at 0.5 MPa, and the bore will lift about 5 kg vertically with a 2:1 margin.

Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X125-30S Technical Specifications

ModelAirtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X125-30S
SeriesMAJ mini cylinder
Bore sizeØ16 mm
Stroke125 mm
Acting typeDouble acting, adjustable stroke
Port sizeM5×0.8
Rod threadM6×1.0
FluidAir (filtered by 40µm element)
Operating pressure0.15 – 1.0 MPa
Proof pressure1.5 MPa
Temperature-20 to +70 °C
Speed range30 – 800 mm/s
CushionFixed anti-impact bumper pads
Max standard strokeUp 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.

Theoretical Output Force (Ø16mm)

PressurePush forcePull force
0.5 MPa101 N86 N
0.7 MPa141 N121 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.

Model Code: Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X125-30S

MAJStandard round-body mini cylinder (adjustable-stroke).
16Bore size in mm.
×125Stroke length in mm.
-30Adjustable stroke window (mm the extend stroke can be shortened on site).
-SBuilt-in magnet for CMSG / DMSG / EMSG sensors (standard on MA series).
CA / U / CMBack-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.

Where the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X125-30S Is Used

sensors

Vial reject gate

Swings a small reject gate on a pharma vial line; the 125 mm stroke and 30 mm trim dial in the swing without shimming.

precision_manufacturing

Fixture pin advance

Drives a 6 mm locating pin into aluminium brackets on a light machining fixture; 100.5 N at 0.5 MPa covers the press fit.

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Washdown push-off

Knocks small trays off a stainless conveyor in a dairy washdown zone where the chrome rod and steel barrel resist corrosion.

Is the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X125-30S the Right Cylinder?

This is the smallest MA bore, so size upward when forces climb: the 20 mm bore delivers 157.0 N and the 25 mm bore 245.3 N at 0.5 MPa. Port is M5x0.8 and the rod thread is M6x1.0. Mount with FA flange or LB foot, or add an I or Y rod knuckle. Remember the adjuster is a mechanical end stop for the extend stroke only - it will not hold a load if air pressure drops.

Quick checklist

  • ✓ Required force at your working pressure
  • ✓ Stroke and mounting space
  • ✓ Port/thread type (PT / G / NPT)
  • ✓ Magnet (-S) is standard for sensors
  • ✓ Back cover (CA/U/CM) & mount (FA/LB/SDB)
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Installation & Maintenance Notes

  • check Use clean air filtered to 40µm or finer.
  • check Keep within 0.15 – 1.0 MPa operating pressure.
  • check Avoid side load on the piston rod.
  • check Do not dismantle the riveted front/back covers.
  • check Bumper models: keep speed within the rated range.
  • check Installation by qualified personnel per AirTAC docs.

Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X125-30S FAQ

At 0.5 MPa it pushes 100.5 N and pulls 86.4 N; at 0.7 MPa push rises to 140.7 N and pull to 120.9 N. The theoretical maximum at 1.0 MPa is about 20.5 kgf.

Yes. Every MA-series cylinder ships with the magnet built in as standard, so CMSG, DMSG and EMSG switches mount directly on the barrel without a special-order piston.

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