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 Adjustable Miniature Cylinder MFJ25X45-40S Specifications
- Model: MFJ25X45-40S
- Type: Double-acting adjustable cushioning cylinder
- Bore size: 25mm
- Stroke: 45mm (±5mm adjustable)
- Operating pressure: 0.15–0.8 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Adjustable rubber buffer (both ends)
- Mounting type: Basic style with axial mounting holes
- Port size: M5×0.8 (standard) or NPT1/8 (optional)
- Material:
- Cylinder tube: Aluminum alloy (hard anodized)
- Piston rod: Stainless steel (SUS304)
- Seals: NBR rubber
- Weight: 0.35kg (excluding accessories)
- Dimensions:
- Length: 136mm (full extension)
- Width: 32mm (max flange dimension)
- Height: 32mm (square body profile)
- Protection rating: IP40 (standard)
- Lubrication: Pre-lubricated (use ISO VG32 hydraulic oil if maintenance required)
Ultra-compact pneumatic cylinder featuring precision-machined components and dual-position adjustable stroke control. The hardened piston rod and corrosion-resistant construction enable reliable operation in confined spaces. Includes magnetic piston for sensor compatibility and 40mm mounting thread length (S suffix) for secure installation.
- PCB handling robots in electronics assembly
- Precision clamping mechanisms for CNC tooling
- Medical device actuation systems
- Automated packaging machine pushers
- Laboratory sample positioning stages
- Loosen cushion locknut with 8mm wrench
- Rotate buffer screw (2mm hex key) clockwise to shorten stroke
- Test cycle rate not exceeding 120 cycles/minute
- Retighten locknut after adjustment
| Property | Property Value |
|---|---|
| sku | MFJ25X45-40S |
| 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 | <25 mm> |
| Stroke | <45mm> |
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.







