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 MFJ20X40-20S Adjustable Miniature Cylinder Specifications
- Model: MFJ20X40-20S
- Bore size: 20mm
- Stroke: 40mm (adjustable)
- Mounting type: Standard foot mount with 2x M5 threaded holes
- Operating pressure: 0.15–0.8 MPa
- Temperature range: -20℃ to 80℃
- Port size: M5 (1/8")
- Cushioning: Adjustable rubber buffer
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Stainless steel (SUS304)
- Seal material: NBR (nitrile rubber)
- Weight: 320g ±5% (without accessories)
- Dimensions:
- Length: 127mm (fully retracted)
- Width: 34mm (mounting base)
- Height: 34mm (cylinder body diameter)
- Accessories: Built-in magnet for position sensing
A space-saving pneumatic actuator featuring stroke adjustment screws at both ends (±2mm fine-tuning range). The compact design incorporates corrosion-resistant coatings and dual cushioning control, making it ideal for precision reciprocating motion in confined spaces. Requires 40μm filtered air and ISO VG32 hydraulic oil lubrication for optimal performance.
- PCB handling robots in electronics assembly
- Precision clamping mechanisms for CNC tooling
- Dispenser actuation in pharmaceutical packaging
- Automated test equipment positioners
- Semiconductor wafer processing stages
| Property | Property Value |
|---|---|
| sku | MFJ20X40-20S |
| 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 | PT1/8 |
| Magnet | S-Magnetic |
| Bore Diameter | <20mm> |
| Stroke | <40mm> |
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.







