Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X25-10S
The AirTAC Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X25-10S is a genuine double acting, adjustable stroke + cushion standard round-body mini air cylinder with a Ø25mm bore and 25mm 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
- Stroke25 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 MACJ25X25-10S
Fine-trim work is where the MACJ25X25-10S earns its keep: a 25 mm extend stroke that the external stop screw narrows anywhere within a 10 mm window, so jigs and fixtures can be tuned to a fraction of the travel without shimming. It is double-acting with a variable air cushion at each end, and at 0.5 MPa the bore 25 barrel delivers 245 N of push against 206 N of pull.
Inside runs a heterogeneous two-way piston seal that also stores grease, working in a riveted stainless barrel whose aluminium covers are rolled and packed onto the tube for a reliably sealed body. The magnet comes as standard on every MA cylinder, dropping CMSG, DMSG or EMSG sensing onto the barrel with no special-order piston. For real-world sizing, count on about 147 N of working force at 0.5 MPa - enough to lift roughly 12.5 kg vertically once you hold a 2:1 margin.
Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X25-10S Technical Specifications
| Model | Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X25-10S |
|---|---|
| Series | MACJ mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 25 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 MACJ25X25-10S
| MACJ | Standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×25 | 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.
Where the Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X25-10S Is Used
Go-no-go fixture clamp
Closing a 25 mm gap on an inspection fixture can be trimmed to 15 mm with the 10 mm window, shaving cycle time on every checked part while the 245 N push holds the workpiece square against the locators.
Ejection of small pressings
Kicking small aluminium pressings out of a die nest: the setter creeps the stroke forward through the window until the part clears, and the end cushion stops the ejector from hammering the nest at speed.
Micro-adjust stop on an assembly bench
On an electronics assembly bench, the stop screw sets the exact press depth for a connector seating operation - trim in single millimetres during setup, then run the fixed cycle anywhere in the 30-800 mm/s band.
Is the Airtac MACJ Stainless Steel Mini Adjustable Cylinder MACJ25X25-10S the Right Cylinder?
If 245 N at 0.5 MPa is more than the clamp needs, the bore 20 MA cuts the push to 157 N; if resistance grows later, the bore 32 steps up to 402 N. Because the stop screw only trims the extend stroke and is not a position lock, never rely on it to retain a clamped part if the air supply fails - latch the part by other means. With just 25 mm of travel, rod bending is a non-issue, so a plain LB foot or FA flange plus an I or Y knuckle covers most fixturing, and the 1/8" port threads straight into standard compact fittings.
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 MACJ25X25-10S FAQ
Push 245 N and pull 206 N at 0.5 MPa; 343 N and 288 N at 0.7 MPa; 50 kgf theoretical maximum at 1.0 MPa. Air supply is 0.15-1.0 MPa (22-145 psi), proof pressure 1.5 MPa (215 psi), speed 30-800 mm/s, and the adjustable window is 10 mm on a 25 mm extend stroke.
The high-precision stainless barrel with its 20 um hard-chrome plated carbon-steel rod handles damp and washdown spots that corrode painted-steel minis, while the riveted aluminium covers keep the round body sealed. Both ends carry a variable air cushion, the standard magnet accepts CMSG, DMSG and EMSG switches, and the 1/8" port suits compact manifold plumbing.
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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