AirTAC MDJ Adjustable Stroke Cylinder MDJ20X70-50S Technical Details
- Model Code Breakdown: MDJ20X70-50S = 20mm bore × 70mm stroke with 50mm adjustable range (S-type construction)
- Bore Size: Ø20 mm (ISO 6432 standard)
- Stroke Range: 50-120mm continuously adjustable (factory preset to 70mm)
- Operating Pressure: 0.05-1.0 MPa (0.5-10 bar)
- Piston Speed: 50-700 mm/s (lubricated condition)
- Cushioning: Adjustable elastic cushion at both ends
- Port Thread: M5x0.8 (dual ports)
- Ambient Temperature: -10℃ to 80℃ (NBR seals)
- Mounting Style: Basic type (no built-in mounting features)
- Rod End: Female thread M6x1.0 (ISO 12240-1)
- Body Material: Aluminum alloy with hard anodized surface
- Weight: 580g ±2% (without accessories)
- Dimensions: 156mm(L) × 34mm(W) × 34mm(H) (retracted position)
Precision stroke-adjustable pneumatic cylinder featuring a unique dual-locking screw design for micrometer-level positioning accuracy (±0.2mm repeatability). The chrome-plated piston rod incorporates a wear-resistant coating (WC/C) for extended service life in high-cycle applications. Requires ISO VG32 hydraulic oil mist lubrication for optimal performance.
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- Semiconductor wafer handling position fine-tuning

Property | Property Value |
---|---|
sku | MDJ20X70-50S |
Adjustable Stroke | <50mm> |
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 | S-Magnetic |
Cushion Type | Bumper Pad |
Bore Diameter | <20mm> |
Stroke | 70mm |
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.