Airtac MFJ Adjustable Mini Cylinder MFJ20X125-50S
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 MFJ20X125-50S Adjustable Mini Cylinder Specifications
- Model: MFJ20X125-50S
- Type: Double-acting adjustable stroke mini cylinder
- Bore size: 20mm
- Stroke: 125mm (adjustable via external screw)
- Operating pressure: 0.15–0.8 MPa
- Port size: M5x0.8 (standard) / Rc1/8 (optional)
- Cushioning: Rubber bumper + external adjustable
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Mounting type: Basic (with optional foot/mounting bracket)
- Weight: 520g ±5% (including accessories)
- Dimensions: 180mm(L) × 28mm(W) × 28mm(H) (retracted position)
- Extended length: 305mm (max stroke)
- Rod thread: M6x1.0 (external)
- Piston speed: 50–800 mm/s
- Lubrication: Pre-lubricated (DOP oil)
Ultra-compact cylinder featuring a unique stroke adjustment mechanism with ±1mm positioning accuracy. The chrome-plated piston rod and anodized aluminum body ensure corrosion resistance in humid environments. Integrated cushioning system reduces impact noise to below 65dB(A). Requires 5μm filtered air with ISO 8573-1:2010 Class 3 air quality.
- Precision positioning in SMT equipment
- Medical device actuation systems
- Semiconductor wafer handling robots
- Compact packaging machine ejectors
- Automated test equipment probe positioning
Installation note:
For optimal performance, maintain 0.5–1mm axial clearance during mounting.
Use locknuts (not included) for stroke adjustment fixation. Lubricate every
500,000 cycles with ISO VG32 hydraulic oil.
Avoid side load exceeding 5N.
For vertical mounting, reduce maximum speed by 30% to prevent seal wear.
| Property | Property Value |
|---|---|
| sku | MFJ20X125-50S |
| 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 | PT1/8 |
| Magnet | S-Magnetic |
| Bore Diameter | <20mm> |
| Stroke | 125mm |
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.