Airtac MFJ Adjustable Mini Cylinder MFJ40X250-75S
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 Series Adjustable Mini Cylinder MFJ40X250-75S Specifications
- Model: MFJ40X250-75S
- Bore size: 40mm
- Stroke: 250mm (±0.5mm adjustment range)
- Stroke adjustment: External mechanical stopper with locknut
- Operating pressure: 0.15–0.8 MPa
- Temperature range: -20℃ to 80℃
- Port size: M5x0.8 (dual ports)
- Cushioning: Rubber buffer (both ends)
- Piston material: Aluminum alloy (hard anodized)
- Rod material: Stainless steel SUS304
- Seal material: NBR (nitrile rubber)
- Weight: ~2.85kg (with standard accessories)
- Dimensions:
- Extended length: 483mm ±1mm
- Retracted length: 233mm ±1mm
- Body width: 56mm
- Mounting height: 40mm
- Max theoretical thrust: 100.5N @0.5MPa
- Lubrication: Pre-lubricated (Grease-free operation)
- Protection rating: IP54 (standard wiper seal)
Ultra-compact double-acting cylinder featuring micrometer-style stroke adjustment capability (±0.5mm precision) through its unique dual-stage locking mechanism. The hardened piston rod and integrated cushioning valves enable high-speed operation (up to 1.5m/s) while maintaining positioning accuracy. Designed for ISO 6432 compliance with enhanced anti-rotation stability.
- Precision workpiece clamping in CNC automation
- Micro-positioning in semiconductor handling robots
- Packaging machine stopper mechanisms
- Medical device actuation systems
- Screen printing press tooling
- Automated optical inspection (AOI) equipment
Installation note:
For optimal performance, maintain 0.5-1mm clearance between stopper and cylinder head during adjustment.
Use thread-locking compound on adjustment screws for vibration-prone environments.
Lubricate rod with ISO VG32 hydraulic oil if operated continuously above 0.6m/s.
| Property | Property Value |
|---|---|
| sku | MFJ40X250-75S |
| Adjustable Stroke | 75mm |
| 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 | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | <250MM> → <250mm> |
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.