Airtac MFJ Adjustable Mini Cylinder MFJ40X250-40S
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 MFJ40X250-40S Adjustable Mini Cylinder Specifications
- Model: MFJ40X250-40S
- Type: Double-acting adjustable cushion mini cylinder
- Bore size: 40mm
- Stroke: 250mm
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable rubber buffer (both ends)
- Port size: M5x0.8 (G1/8 optional)
- Mounting type: Front flange (MFJ-LF) / Rear foot (MFJ-LB) variants
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 2.2kg (excluding accessories)
- Dimensions: 345mm(L) × 80mm(W) × 85mm(H) (at full extension)
- Piston speed: 50–800mm/s (lubricated)
- ISO standard: 6432 (mounting dimensions compliant)
Ultra-compact cylinder featuring dual adjustable pneumatic cushions for precise stroke-end deceleration control. The hexagonal tube design allows easy rotation prevention and accessory mounting. Optimized for high-cycle applications with its self-lubricating bushings and corrosion-resistant construction. Requires 40μm filtered air with ISO VG32 hydraulic oil mist lubrication (non-lubricated version available).
- PCB handling robots in electronics manufacturing
- Precision clamping mechanisms in CNC tool changers
- Medical device assembly line actuators
- Compact packaging machine pushers
- Automated test equipment positioners
- Pharmaceutical blister packaging systems
Installation note:
Adjust cushion screws in 1/4-turn increments during commissioning.
Maintain 0.5mm minimum parallel alignment tolerance between rod and load.
For vertical mounting, use MMFJ series guide brackets for stability.
| Property | Property Value |
|---|---|
| sku | MFJ40X250-40S |
| 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 | PT1/4 |
| 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.