Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X80-20S
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X80-20S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø32mm bore and 80mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ32 mm
- Stroke80 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke
- Rod threadM10×1.25
- CushionFixed anti-impact bumper pads
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X80-20S
Twenty millimetres of on-site trim: turn the external screw on the MAJ32X80-20S and the extend stroke lands anywhere from 80 mm down to 60 mm, still pushing 402 N at 0.5 MPa and 563 N at 0.7 MPa. It runs on 0.15-1.0 MPa (22-145 psi) filtered air and reaches 800 mm/s when the cycle needs pace.
A riveted stainless barrel around a hard-chrome-plated carbon rod keeps this mini alive in coolant mist that kills painted bodies, and the aluminium covers stay light for moving carriages. The magnet comes fitted, so an EMSG switch clips on without ordering options. Rated 402 N equates to about 41 kgf; halve it for a 2:1 safety margin and you can lift around 20 kg vertically.
Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X80-20S Technical Specifications
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X80-20S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 80 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 500 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 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 MAJ32X80-20S
| MAJ | Standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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.
Where the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X80-20S Is Used
Hopper slide gate on a blending station
The 20 mm window sets exactly how far the gate opens, metering powder flow into the weigh hopper.
End stopper on a roller conveyor
563 N at 0.7 MPa arrests moving cartons; the anti-impact pad takes the arrival shock, and the magnet flags stop-made.
Cap chuck positioning on a capper
Dial the extend stop down to match each bottle height at changeover without swapping cylinders.
Is the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ32X80-20S the Right Cylinder?
Step down to the 25 mm bore (245 N at 0.5 MPa) for light indexing, or up to 40 mm (628 N) for heavy clamping; at 402 N this bore covers gate and stopper duty with margin. The 20 mm window is a travel end stop only - it neither brakes mid-stroke nor holds against air loss, so fit a locking valve where the load would fall or drift.
Use an FA flange or LB foot, or hang an I / Y knuckle for a swivel link, and rely on the built-in magnet with CMSG/DMSG/EMSG switches for position feedback. At 80 mm the rod tolerates light side loads, but external guides pay off with offset tooling.
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)
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 MAJ32X80-20S FAQ
At 0.5 MPa expect 402 N on extend and 346 N on retract; at 0.7 MPa, 563 N and 484 N. The theoretical limit at 1.0 MPa is 82 kgf. Connection is a 1/8 inch port, rod thread M10x1.25.
It carries fixed anti-impact bumper pads that soften arrival at both ends - helpful at 800 mm/s - but they are not adjustable air cushions; that feature belongs to the MACJ family. If you need tunable deceleration step up to MACJ, otherwise the pads plus a meter-out valve cover most stops.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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