AirTAC MDJ Adjustable Cylinder MDJ20X25-30 Technical Specifications
- Model Code: MDJ20X25-30
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø20 mm (±0.1mm manufacturing tolerance)
- Stroke length: 25 mm (adjustable range 0-25mm)
- Rod thread: M6×1 external thread (male)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Rubber buffer + adjustable stroke mechanism
- Max piston speed: 500 mm/s
- Ambient temperature: -10℃ to 70℃ (no freeze)
- Weight: 0.38 kg (without accessories)
- Dimensions:
- Body length: 98 mm (min) - 123 mm (max extended)
- Mounting width: 40 mm (standard bracket interface)
- Rod end height: 20 mm (from centerline)
- Seal material: HNBR (hydrogenated nitrile) for high temperature resistance
- Port size: M5×0.8 (dual ports on both ends)
- Lubrication: Pre-lubricated (Grease-free operation)
Precision micro-stroke cylinder with unique dual-position locking mechanism, featuring a rotary stroke adjuster with ±0.5mm positioning accuracy. The chrome-plated piston rod integrates dust-resistant scraper for contamination-sensitive environments. Requires filtered air (40μm) with 1-10 cSt viscosity lubricant if manually relubricated.
- PCB board clamping in SMT assembly lines
- Precision dosage control in pharmaceutical filling machines
- Tool positioning in CNC automatic tool changers
- Pressure-sensitive packaging head adjustments
- Semiconductor wafer handling systems

Property | Property Value |
---|---|
sku | MDJ20X25-30 |
Adjustable Stroke | 30mm |
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°C to 70°C Speed Range: 30 to 500 mm/s |
Port Size | M5×0.8 |
Magnet | Non-magnetic |
Cushion Type | Bumper Pad |
Bore Diameter | <20mm> |
Stroke | <25 mm> |
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.