
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ16X225-75S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø16mm bore and 225mm stroke, M5×0.8 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.
Trim the extend stroke anywhere within a 75 mm window and this 16 mm bore MA-series mini still lands cushioned at both ends. Double-acting throughout, it produces 100.5 N forward and 86.4 N back at 0.5 MPa, climbing to 140.7 N at 0.7 MPa with a 20.5 kgf ceiling.
Construction is a rolled stainless tube with a hard-chrome plated 6 mm rod and riveted aluminium covers - no tie-rod bolts to check, and it shrugs off condensation that corrodes painted bodies. Speed spans 30-800 mm/s across 0.15-1.0 MPa (22-145 psi). Figure on about 60 N of useful force at 0.5 MPa, which corresponds to hoisting roughly 10 kg - or 5 kg if you keep a 2:1 margin.
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ16X225-75S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 225 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| 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 | Variable air cushion, both ends |
| 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.
| 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.
| MACJ | Standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 16 | Bore size in mm. |
| ×225 | Stroke length in mm. |
| -75 | 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.
Corrects web drift across 225 mm of travel; the wide 75 mm window lets operators re-center the guide without re-piping the circuit.
Sets dispense volume by trimming extension up to 75 mm; the variable cushion stops the plunger crashing at stroke end.
Drives a sliding latch across the full 225 mm span; end cushions keep the latch from banging home at high cycle rates.
If loads grow, bore 20 (157.0 N push at 0.5 MPa) or bore 25 (245.3 N) are the next steps in the same series. The 225 mm stroke is standard for this bore, yet at that length a 6 mm rod will buckle under lateral loads, so route side forces into external guides and fix the body with the FA flange or LB foot. Keep in mind the 75 mm adjuster only shortens extension and does not lock the piston when pressure drops.
Quick checklist
At 0.5 MPa the extend stroke delivers 100.5 N and the retract 86.4 N; raise to 0.7 MPa for 140.7 N push and 120.9 N pull. Peak theoretical force is 20.5 kgf at 1.0 MPa. The 225 mm stroke carries a 75 mm adjustable window, a variable cushion at each end, and runs 30-800 mm/s on 0.15-1.0 MPa (22-145 psi) air.
The barrel is stainless steel rolled directly onto aluminium covers, and the 6 mm rod is hard-chrome plated to about 20 um, so splashes, condensation and mild washdown are non-issues. AirTAC ships the magnet as standard, letting CMSG / DMSG / EMSG switches bolt on for end-of-stroke signals.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
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