Airtac MFJ Adjustable Mini Cylinder MFJ40X25-20
2. Features an asymmetric bidirectional sealing structure for piston sealing, offering compact dimensions with integrated oil reservoir functionality;
3. Integrated fixed cushions on both end covers minimize impact during directional changes;
4. Multiple rear cover configurations simplify installation and enhance mounting flexibility;
5. Crimped and wrapped assembly ensures robust connection between stainless steel barrel and end covers;
6. Precision-engineered stainless steel barrel provides exceptional strength and corrosion resistance;
7. MF series achieves shorter overall length than ISO6432 standard cylinders while maintaining identical bore/stroke specifications;
8. Comprehensive range of cylinder variants and mounting accessories available for customized solutions.
Category: Adjustable Cylinders | Brand: AirTAC | Series: MFJ Adjustable cylinders
AirTAC MFJ40X25-20 Adjustable Mini Cylinder Technical Details
- Model: MFJ40X25-20
- Type: Compact adjustable stroke single-acting spring return
- Bore size: Ø40 mm
- Stroke: 25 mm (adjustable)
- Adjustment range: ±3 mm stroke fine-tuning
- Operating pressure: 0.05-0.9 MPa
- Port size: M5x0.8 (standard) or NPT1/8 (optional)
- Cushioning: Rubber buffer with locknut adjustment
- Mounting: 2x M5 threaded holes on base
- Material: Aluminum barrel, CRMo steel piston rod
- Seal type: NBR rubber (standard), optional FKM for high temp
- Temperature range: -20℃ to 80℃ (standard seals)
- Weight: 480 g ±2% (without accessories)
- Dimensions:
- Length: 125 mm (fully retracted)
- Width: 50 mm (including mounting lugs)
- Height: 40 mm (barrel diameter)
Ultra-compact profile cylinder with precision stroke adjustment mechanism, featuring a unique dual-locknut design for vibration-resistant position locking. The anodized barrel surface provides enhanced corrosion resistance for humid environments. Includes built-in auto-lubrication grooves for maintenance-free operation under normal conditions.
- Precision clamping in CNC tool changers
- Micro-positioning in semiconductor wafer handling
- Compact packaging machine ejectors
- Medical device actuation systems
- Robotic end-effector positioning
- Automated test equipment stops
Installation tip:
For optimal performance, maintain 0.5-1mm clearance between adjustment nuts when locked.
Lubricate piston rod monthly with ISO VG32 hydraulic oil in high-cycle applications (>500 cycles/day).
| Property | Property Value |
|---|---|
| sku | MFJ40X25-20 |
| Adjustable Stroke | <20mm> |
| Mounting Type | Without Mounting Accessories |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT1/4 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | <25 mm> |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.