
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ50X130-10S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø50mm bore and 130mm stroke, 1/4" 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.
When a setup needs repeatable stop positions only millimetres apart, the 10 mm window on this MACJ50X130-10S is the tool: screw the stop in or out for fine trim of the 130 mm extend stroke, while both air cushions stay independently adjustable. At 0.5 MPa the bore delivers 981 N forward and 880.8 N back.
Derated to about 589 N of continuous work, the output is still well past a 32 mm cylinder's, yet the riveted stainless body with its chrome-plated rod shrugs off splash that would pit a painted mini. A magnet comes standard, so CMSG, DMSG or EMSG reed switches clamp on for repeatability checks.
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ50X130-10S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø50 mm |
| Stroke | 130 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| 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 | Variable air cushion, both ends |
| 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 881 N |
| 0.7 MPa | 1374 N | 1234 N |
| Max (@1.0 MPa) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MACJ | Standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 50 | Bore size in mm. |
| ×130 | Stroke length in mm. |
| -10 | 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.
The 10 mm trim band sets stop depth per part variant; 981 N at 0.5 MPa seats dial indicators without overtravel.
Operators twist the stop screw between bottle formats; cushions keep the 130 mm dive smooth at up to 800 mm/s.
Fine 10 mm adjustability matches die changes, with the LB foot anchoring the body to the gauge rail.
Go down to a 32 mm MACJ (402 N push at 0.5 MPa) if your load sits under 400 N, or up to the 63 mm bore (1558 N) past 900 N working load; 50 mm with its 589 N usable figure covers the middle ground. The FA flange and LB foot are the mounting choices, with I and Y knuckles available, and the standard-built magnet makes sensor retrofits a bolt-on job later. Treat the -10 stop as an extend-side position set only - it is not a mid-stroke lock, and the rod will drift if supply pressure disappears.
Quick checklist
At 0.5 MPa: 981.3 N push and 880.8 N pull. At 0.7 MPa: 1373.8 N push and 1233.1 N pull. Theoretical maximum force is 200.1 kgf at 1.0 MPa. Supply runs 0.15-1.0 MPa (22-145 psi) with a 1.5 MPa (215 psi) proof pressure.
No. The barrel is high-precision stainless steel rolled onto aluminium covers, and the 16 mm rod is carbon steel with a 20 um hard-chrome plate - a combination that resists washdown chemicals and outdoor condensation far better than painted minis, with an M14x1.5 rod thread and 1/4" port for plumbing.
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