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 MFJ Adjustable Miniature Cylinder MFJ40X300-50 Technical Details
- Model: MFJ40X300-50
- Type: Adjustable cushion mini cylinder (double-acting)
- Bore size: 40mm
- Stroke: 300mm
- Cushion adjustment range: 0-50mm (both ends)
- Operating pressure: 0.05–0.9 MPa
- Buffer type: External thread adjustable
- Port size: M5x0.8 (standard) or NPT1/8 (optional)
- Mounting: Female thread (MFJ-MF series) or foot-mounted (MFJ-FM series)
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Chrome-plated steel
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Protection rating: IP54 (standard wiper design)
- Weight: 1,850g ±3% (without accessories)
- Dimensions:
- Extended length: 565mm
- Retracted length: 265mm
- Body width: 52mm
- Mounting height: 40mm
Ultra-slim profile cylinder (15% narrower than standard models) with precision-adjustable pneumatic cushioning mechanism. Features wear-resistant rod guide bushings and dual anti-rotation pins for stable linear motion. The 50mm adjustable cushion range allows fine-tuning of end position deceleration across 15+ preset positions.
- PCB handling robots requiring precise stop positioning
- Pharmaceutical blister packaging machines
- Automated optical inspection (AOI) equipment
- Semiconductor wafer transfer systems
- Compact assembly line pusher mechanisms
- Allow 25mm clearance for cushion adjustment access
- Use flexible couplings for misalignment >0.5°
- Pre-charge lubricator recommended for >500,000 cycle operations
| Property | Property Value |
|---|---|
| sku | MFJ40X300-50 |
| Adjustable Stroke | <50mm> |
| 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 | 300mm |
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.







