1. Complies with JIS standards;
2. Features an asymmetric bidirectional sealing structure with integrated oil reservoir for compact dimensions and enhanced lubrication;
3. Integrated shock-absorbing pads on end caps reduce impact during directional changes;
4. Multiple rear cover configurations for enhanced installation flexibility;
5. Crimped clamping mechanism between stainless steel barrel and end caps ensures secure connection;
6. High-precision stainless steel cylinder tube provides excellent strength and corrosion resistance;
7. Compact design offers shorter overall length than ISO 6432 standard cylinders with equivalent bore and stroke;
8. Comprehensive range of cylinder sizes and mounting accessories available for customized solutions.
Category: Adjustable Cylinders | Brand: AIRTAC | Series: MFCJ
AirTAC MFCJ20X250-40S Adjustable Miniature Cylinder Specifications
- Model: MFCJ20X250-40S
- Bore size: 20mm
- Stroke: 250mm
- Mounting type: Standard foot & front flange (MF series)
- Operating pressure: 0.05–0.9 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: M5×0.8 (G1/8 adapter optional)
- Operating temperature: -10℃ to 80℃
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Chrome-plated carbon steel
- Seal type: NBR rubber (oil & heat resistant)
- Protection rating: IP54 (standard)
- Weight: 1.25kg (with rod)
- Dimensions:
- Extended length: 250mm (stroke) + 118mm (body) = 368mm
- Retracted length: 118mm
- Width (mounting base): 40mm
- Height (including rod eye): 68mm
- Accessories: Built-in magnetic sensor slot (sensor not included)
Ultra-compact linear actuator featuring tunable stroke-end damping for precision motion control. The dual-cushion design minimizes impact noise while maintaining 0.5-1.0m/s optimal speed. Corrosion-resistant construction with PTFE-impregnated rod seals ensures 3,000km service life under standard conditions. Includes vibration-damping mounting pads and auto-lubricating bushings.
- High-density robotic assembly cells (electronics manufacturing)
- Pharmaceutical blister packaging machines
- Micro-positioning in semiconductor handling systems
- Compact door mechanisms in cleanroom environments
- Vertical Z-axis actuators in 3D printing systems
| Property | Property Value |
|---|---|
| sku | MFCJ20X250-40S |
| Adjustable Stroke | <40mm> |
| 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 | <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.







