Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X50-20S
The AirTAC Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X50-20S is a genuine double acting, adjustable stroke standard round-body mini air cylinder with a Ø16mm bore and 50mm 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
- Stroke50 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM6×1.0
- 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 MAJ16X50-20S
A 20 mm trim window on a 50 mm stroke means commissioning engineers can set the extend end point anywhere between 30 and 50 mm without shims or cylinder swaps. The double-acting bore pushes 100.5 N at 0.5 MPa and 140.7 N at 0.7 MPa, peaking at a theoretical 20.5 kgf at 1.0 MPa.
Aluminium covers are rolled onto the stainless barrel around a hard-chrome plated rod - a riveted build that stays sealed in humid food-adjacent and outdoor air. The stop screw is a mechanical end stop only: on air loss the rod still drifts, so it cannot hold a load mid-stroke. Magnets ship standard, so CMSG, DMSG and EMSG switches mount without a special-order piston.
Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X50-20S Technical Specifications
| Model | Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X50-20S |
|---|---|
| Series | MAJ mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 50 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.
Theoretical Output Force (Ø16mm)
| 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.
Model Code: Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X50-20S
| MAJ | Standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 16 | Bore size in mm. |
| ×50 | 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 MAJ16X50-20S Is Used
Tray stopping
Stops a slim blister tray at a labeling head; the 20 mm window absorbs tray-length tolerance between SKUs.
Breaker toggle test
Flips a miniature circuit-breaker toggle on an assembly test bench, with the stroke trimmed so the lever is never over-thrown.
Drawer interlock
Holds a spare-parts drawer closed on a tool crib cabinet until the operator badge clears, releasing on a valve signal.
Is the Airtac MAJ Double Rod Adjustable Stainless Steel Mini Cylinder MAJ16X50-20S the Right Cylinder?
Compare the range by 0.5 MPa push: 16 mm = 100.5 N (this model), 20 mm = 157.0 N, 25 mm = 245.3 N. If your part sits near the 60 N working-force level at 0.5 MPa, stay here; heavier clamps belong on the 20 or 25 mm bore. The 20 mm trim range is generous for end-of-line tuning. All MAJ models ship with the magnet fitted, and CMSG / DMSG / EMSG switches drop straight on. The external stop fixes the extend end point but is not a brake - with air gone, the piston can still be pushed back.
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 MAJ16X50-20S FAQ
At 0.5 MPa expect 100.5 N forward and 86.4 N back; at 0.7 MPa the numbers are 140.7 N forward and 120.9 N back, topping out at a theoretical 20.5 kgf at 1.0 MPa. The operating band is 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s, temperature -20 to +70 C, ports M5x0.8, rod 6 mm with M6x1.0 male thread.
It is an external mechanical stop that sets the extend end position anywhere from 30 to 50 mm of travel. It does not lengthen the stroke beyond the ordered 50 mm, and it is not a mid-stroke lock: if air pressure is lost the rod can still drift, so external support is needed for held loads.
Authorized Export Seller
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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