Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ40X150-30S
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ40X150-30S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø40mm bore and 150mm stroke, 1/8" air ports and a stainless-steel barrel with a hard-chrome-plated rod for reliable, mildly corrosion-resistant service.
- BoreØ40 mm
- Stroke150 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke
- Rod threadM12×1.25
- 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 MAJ40X150-30S
Three centimetres of coarse tuning plus a full 150 mm of powered reach: the MAJ40X150-30S combines a 30 mm adjustable extend window with the highest force rating in the MA range, 628.3 N at 0.5 MPa and a theoretical peak of 128.1 kgf. The stop screw trims travel downward only; you order the stroke you need, then shorten it in place.
Round-body construction keeps the envelope slim: a 16 mm hard-chrome rod runs in a stainless barrel with fixed bumper pads at each end, so end-of-stroke knock stays manageable without any cushion needle. Plan on about 377 N of the 0.5 MPa output for the task itself, or near 32 kg of vertical lift with a 2:1 factor. Fit an FA flange or LB feet, add I or Y knuckles where the load pivots, and remember the adjuster is an end stop, not a mid-stroke lock.
Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ40X150-30S Technical Specifications
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ40X150-30S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 150 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M12×1.25 |
| 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | 739 N |
| Max (@1.0 MPa) | 128 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 MAJ40X150-30S
| MAJ | Standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 40 | Bore size in mm. |
| ×150 | Stroke length in mm. |
| -30 | 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 MAJ40X150-30S Is Used
Tote ejection gate
Pushes picked totes off a gravity roller spine; the 30 mm window absorbs roller wear without rebuilding the station.
Scrap chute flap
Swings a sheet-metal scrap chute open between press cycles, mounted on LB feet beside the press frame.
Bench staking press
Stakes small bushings in a hand-fed fixture, with about 32 kg of vertical lift available at a 2:1 margin.
Is the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ40X150-30S the Right Cylinder?
Against the 32 mm MA (402.2 N at 0.5 MPa) this bore nearly doubles the push, which matters once the 150 mm stroke adds rod flex; keep the 16 mm rod out of side load and let external guides carry the part. The 30 mm window suits tooling that drifts a few millimetres between changeovers. FA flange and LB feet are the catalogue choices, with I and Y knuckles for pivoting linkages. Under air failure the rod is free to move, so add an isolation or blocking valve wherever the load hangs.
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 MAJ40X150-30S FAQ
At 0.5 MPa the bore yields 628.3 N on extend and 527.8 N on retract. At 0.7 MPa: 879.6 N and 738.9 N. Peak theoretical output at 1.0 MPa is 128.1 kgf. Supply window is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi).
FA flange and LB foot are the standard mounting codes, and I or Y rod knuckles suit pivoting linkages. The adjustable-stroke version has no SDB or back-cover code, so plan around the flange or foot plus knuckle combination.
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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.
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Most inquiries answered within 7-8 hours.
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