Airtac MFJ Adjustable Mini Cylinder MFJ40X160-75
The AirTAC Airtac MFJ Adjustable Mini Cylinder MFJ40X160-75 is a genuine double acting, adjustable stroke JIS-standard round-body mini air cylinder with a Ø40mm bore and 160mm stroke, 1/4" air ports and a SUS304 stainless-steel barrel for mildly corrosive environments. For the same bore and stroke it is shorter than an ISO 6432 cylinder, saving mounting space.
- BoreØ40 mm
- Stroke160 mm
- Port size1/4"
- Acting typeDouble acting, adjustable stroke
- Rod threadM14×1.5
- CushionFixed TPU bumper pads
- 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 MFJ Adjustable Mini Cylinder MFJ40X160-75
Dial in your extend position on the factory floor with the AirTAC MFJ40X160-75, a JIS-standard round-body mini cylinder built for double-acting service. A 75 mm external adjuster lets you shorten the extend stroke from the 160 mm maximum down to 85 mm on site, eliminating the need to buy a new unit or bolt on external stops for line changeovers. The SUS304 stainless steel barrel and riveted aluminium covers resist mild washdown, and the overall body is shorter than an ISO 6432 cylinder for the same bore and stroke, saving valuable mounting length.
This 40 mm bore generates 628.3 N of push force and 527.8 N of pull force at 0.5 MPa, peaking at a theoretical 128.1 kgf at 1.0 MPa. For practical sizing, it yields a safe working load of roughly 377 N, lifting about 32 kg vertically with a 2:1 margin. Air connects via a 1/4" port, and the Ø16 mm rod features an M14x1.5 male thread. Note that this specific SKU lacks the -S magnet, so it cannot accept CMSG, DMSG, or EMSG sensors.
Airtac MFJ Adjustable Mini Cylinder MFJ40X160-75 Technical Specifications
| Model | Airtac MFJ Adjustable Mini Cylinder MFJ40X160-75 |
|---|---|
| Series | MFJ JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 160 mm |
| Acting type | Double acting, adjustable stroke |
| 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 | Fixed TPU bumper pads |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MF/MFC (JIS-standard) datasheet. Barrel: SUS304 stainless steel; covers: aluminum alloy (round-body, riveted rolling-packed construction). Thread options: PT (blank) / G / NPT.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | 739 N |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MFJ Adjustable Mini Cylinder MFJ40X160-75
| MFJ | JIS-standard round-body mini cylinder (adjustable-stroke). |
|---|---|
| 40 | Bore size in mm. |
| ×160 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MF-family variants: MF / MFC (double acting ±cushion), MSF / MTF (single acting push / pull), MFD / MFCD (double rod ±cushion), MFJ / MFCJ (adjustable stroke ±cushion). Back covers CA / U / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MFJ Adjustable Mini Cylinder MFJ40X160-75 Is Used
Changeover Stations
Leverage the 75 mm adjustment window to swap product families quickly, dialing in the new extend end position without machining new hard stops for 628.3 N push loads.
Prototype Set-up Rigs
Test various extend lengths between 85 mm and 160 mm on trial fits, relying on the SUS304 barrel to withstand mild shop splashes during experimental cycles.
Variable-Position Stops
Act as a compact, JIS-standard actuator that saves mounting length over ISO 6432 designs while providing fine end-position tuning for 40 mm bore pressing tasks.
Is the Airtac MFJ Adjustable Mini Cylinder MFJ40X160-75 the Right Cylinder?
When sizing between the two available bores, the MFJ40 delivers 628.3 N of push at 0.5 MPa, whereas the MFJ32 provides 402.2 N. Choose the 40 mm bore if your trial fits or variable-position stops require moving heavier jigs, and use the 75 mm adjuster window to finalize the exact end position safely. The fixed TPU bumper pads decelerate the stroke end across the 30-800 mm/s speed range, but they do not function as a lock. If your application must hold a load vertically during air loss, add an external rod lock or pilot-operated check valve. Mounting options include LB foot, FA flange, and TC trunnion (no SDB or back-cover mount).
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/CM) & mount (LB/FA/SDB/TC)
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 Use correct back cover (CA/U/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MFJ Adjustable Mini Cylinder MFJ40X160-75 FAQ
This 40 mm bore cylinder uses a 1/4" port and a Ø16 mm rod with an M14x1.5 thread. It generates 628.3 N push and 527.8 N pull at 0.5 MPa, 879.6 N push and 738.9 N pull at 0.7 MPa, with a theoretical maximum of 128.1 kgf at 1.0 MPa.
The external adjuster shortens the extend stroke by up to 75 mm on site, but it only sets the end position and does not lock the load mid-stroke. This SKU lacks the -S magnet, so it cannot take CMSG/DMSG/EMSG switches. It uses fixed TPU bumper pads, not an adjustable air cushion.
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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