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AirTAC MACJ Series · Mini Cylinder

Airtac B01-MACJ Special Cylinder B01-MACJ40X50-30S

The AirTAC Airtac B01-MACJ Special Cylinder B01-MACJ40X50-30S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø0mm bore and 50mm stroke, PT/G air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service. A variable air cushion at both ends lets you tune end-of-stroke deceleration on site.

  • BoreØ0 mm
  • Stroke50 mm
  • Port sizePT/G
  • Acting typeDouble acting, adjustable stroke + cushion
  • Rod thread
  • CushionVariable air cushion, both ends
$87.69 $95.19Save 7% Standard model — ready in 3-5 business days to process and dispatch
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About the Airtac B01-MACJ Special Cylinder B01-MACJ40X50-30S

Commissioning flexibility sets the MACJ40X50-30S apart: a 30 mm adjustable window lets you re-tune the 50 mm extend stroke as fixtures change, on a double-acting round body with a variable cushion at each end. The 1/8" port takes 0.15-1.0 MPa (22-145 psi) and cycle speeds reach 800 mm/s.

The 40 mm piston generates 628.3 N at 0.5 MPa, a rating best used as about 377 N of working force to leave reserve for friction and pressure dips. AirTAC rivets the aluminium covers and stainless block onto the high-precision barrel for a sealed round body, and the hard-chrome plated 16 mm rod keeps running in wet or dusty plants. Every unit ships magnetized for CMSG, DMSG and EMSG switches.

Airtac B01-MACJ Special Cylinder B01-MACJ40X50-30S Technical Specifications

ModelAirtac B01-MACJ Special Cylinder B01-MACJ40X50-30S
SeriesMACJ mini cylinder
Bore sizeØ0 mm
Stroke50 mm
Acting typeDouble acting, adjustable stroke + cushion
Port sizePT/G
Rod thread
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
CushionVariable air cushion, both ends
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 (Ø0mm)

PressurePush forcePull force
0.5 MPa0 N0 N
0.7 MPa0 N0 N
Max (@1.0 MPa)0 kgf

Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.

Model Code: Airtac B01-MACJ Special Cylinder B01-MACJ40X50-30S

MACJStandard round-body mini cylinder (adjustable-stroke, variable cushion).
0Bore size in mm.
×50Stroke 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 B01-MACJ Special Cylinder B01-MACJ40X50-30S Is Used

science

Sample tray transfer in a lab analyzer

Gentle cushioned stops protect delicate trays; roughly 377 N of working force is ample for slides weighing a few hundred grams.

build

Hinge pin driver on a door assembly cell

A 50 mm stroke drives pins home and the 30 mm window lets engineers shorten travel for different hinge sizes.

vertical_align_bottom

Case lowerer at a packing station

The rod eases small cartons down a chute; the stainless barrel and chrome rod shrug off corrugated dust.

Is the Airtac B01-MACJ Special Cylinder B01-MACJ40X50-30S the Right Cylinder?

This bore sits between a 32 mm cylinder at 402.2 N and a 50 mm cylinder at 981.3 N (both at 0.5 MPa), so 628.3 N covers medium clamps and kickers. Pick the MACJ40X50-10S or MACJ40X50-20S if a tighter adjustment suits your fixture, or step to the MACJ40X400-100S for long travel. FA flange or LB foot, I and Y rod knuckles on request. Because the trim stop is not a mid-stroke lock, a dropped air line still lets the piston coast, so rely on valving, not the screw, for holding.

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 On first run, back off the cushion screws and release gradually.
  • check Installation by qualified personnel per AirTAC docs.

Airtac B01-MACJ Special Cylinder B01-MACJ40X50-30S FAQ

Bore 40 gives 628.3 N push and 527.8 N pull at 0.5 MPa, 879.6 N push and 738.9 N pull at 0.7 MPa, and 128.1 kgf theoretical maximum at 1.0 MPa. Operating range is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-800 mm/s.

No. Every MACJ40X50-30S includes the magnet as standard, so CMSG, DMSG and EMSG reed or electronic switches mount directly on the barrel for end-of-stroke or position signals with no special-order piston.

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