Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X65-50S
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X65-50S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø25mm bore and 65mm 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.
- BoreØ25 mm
- Stroke65 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 MACJ25X65-50S
Need to fine-tune stroke depth after the machine is built? The MACJ25X65-50S lets you cut the 65 mm extend stroke back by up to 50 mm on site, with a variable air cushion at each end to soften the landing. Its stainless round barrel and hard-chrome plated 10 mm rod resist mild corrosion and washdown - a genuine advantage in food and outdoor cells where coated mini cylinders flake and jam.
This bore 25 size delivers 245.3 N of push at 0.5 MPa; derate to about 147 N for daily work and it will hoist roughly 12 kg vertically with a 2:1 margin. The magnet comes built in as standard, so CMSG / DMSG / EMSG switches clamp straight onto the barrel. Pressure 0.15-1.0 MPa (22-145 psi), speed 30-800 mm/s.
Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X65-50S Technical Specifications
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X65-50S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 65 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 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 (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 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 MACJ25X65-50S
| MACJ | Standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×65 | 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 MACJ25X65-50S Is Used
Fixture clamp retrofit
Retrofitting clamps on a machining fixture is where the 50 mm window earns its keep - the setter dials each station's clamp travel to the casting without ordering a new cylinder length.
Bottle-capper eject
On a craft-brewery capper, finished bottles are nudged off the star wheel by this 245 N push; the stainless barrel shrugs off daily caustic foam wash without paint peeling into the product zone.
Glue-head depth set
A hot-melt glue head tracing carton seams can be trimmed millimetre by millimetre within the 50 mm range, keeping bead placement consistent as carton designs change over the season.
Is the Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X65-50S the Right Cylinder?
Next size down, the 20 mm bore, gives 157 N at 0.5 MPa - fine for light gating, undersized for fixture clamping; the next size up, 32 mm, doubles the muscle to 402.2 N. Between them, this model covers medium clamps and slide pushes at a compact bore 25 footprint. Note the adjuster is a positioning stop rather than a lock: under air loss the rod moves, so use a separate clamp if the part must be held. Mount with the FA flange for face alignment or the LB foot for base fixing, and add I or Y knuckles when the load axis wanders.
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 MACJ25X65-50S FAQ
Push at 0.5 MPa is 245.3 N and pull 206.1 N; at 0.7 MPa expect 343.4 N push and 288.5 N pull. Theoretical peak at 1.0 MPa works out near 50 kgf. Run the cylinder anywhere in 0.15-1.0 MPa (22-145 psi); proof tested to 1.5 MPa (215 psi).
Every MA-series cylinder ships with the piston magnet already fitted - there is no special-order option to buy. CMSG, DMSG and EMSG switches mount directly on the stainless barrel for extend and retract position feedback. The 1/8" port and M10x1.25 male rod thread keep pipework and tooling simple.
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.
Related AirTAC MACJ Cylinders
Request a Quote for Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X65-50S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.