Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X225-50S
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X225-50S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø32mm bore and 225mm stroke, 1/8" 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.
- BoreØ32 mm
- Stroke225 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
- 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 MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X225-50S
Fifty millimetres of on-site adjustability is the headline of the MACJ32X225-50S: a stop screw trims the 225 mm extend stroke anywhere within a 50 mm window, while the variable air cushion at both ends lets you run faster or carry more without hammering the covers. This is a double-acting, round-body mini with a stainless barrel and a hard-chrome plated carbon-steel rod, good for 402 N push and 346 N pull at 0.5 MPa (563 N push at 0.7 MPa) across a 0.15-1.0 MPa (22-145 psi) supply.
Because the piston seal carries grease in its own grooves, the riveted MA construction stays smooth over long 225 mm cycles with little attention. The magnet is fitted as standard, so CMSG, DMSG or EMSG reed switches mount directly for end-of-stroke signalling. Practical sizing: the theoretical 41 kg of lift at 0.5 MPa becomes about 20 kg with a 2:1 margin, and 241 N is the realistic continuous work figure.
Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X225-50S Technical Specifications
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X225-50S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 225 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| 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 | 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.
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 MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X225-50S
| MACJ | Standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 32 | Bore size in mm. |
| ×225 | Stroke length in mm. |
| -50 | 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 MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X225-50S Is Used
Case ejector
Ejects filled cases off a checkweigher at speed; the dual variable cushions let cycle rates climb toward the upper end of the 30-800 mm/s range quietly.
Format changeover stop
On a pharmaceutical cartoner, the 50 mm window re-sets the extend stop per SKU, so one cylinder serves several carton heights.
Vertical tray lift
Lifts about 20 kg of loaded trays between shelf levels with a 2:1 margin taken from the 402 N push at 0.5 MPa.
Is the Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X225-50S the Right Cylinder?
If 245 N from a 25 mm bore is short for your load and 628 N from a 40 mm bore is heavier than you need, this 32 mm model at 402 N (346 N pull) at 0.5 MPa is the efficient middle. The 50 mm window is generous for part families with different stopping points; FA and LB mounts plus I and Y knuckles adapt it to flanged faces, feet or linkage ends. CMSG, DMSG and EMSG switches drop onto the standard magnet for travel verification.
One caution on long strokes: at 225 mm the 12 mm rod tolerates little side load, so guide the payload on rails or a bushing. And if the application must hold position during an air failure, plan an external lock - the adjust screw is a stop, not a holding brake.
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 On first run, back off the cushion screws and release gradually.
- check Installation by qualified personnel per AirTAC docs.
Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ32X225-50S FAQ
Use 402 N push and 346 N pull at 0.5 MPa, or 563 N push and 484 N pull at 0.7 MPa; the ceiling is a theoretical 82 kgf at 1.0 MPa. Keep real duty near 241 N, which translates to lifting about 20 kg vertically with a 2:1 margin (41 kg theoretical).
The riveted stainless barrel with aluminium-alloy covers and a 20 um hard-chrome plated rod stands up to washdown, humidity and outdoor exposure where painted steel minis corrode. The heterogeneous piston seal also stores grease, cutting maintenance over the long 225 mm stroke, and air connections are 1/8" ports.
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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