2. Multiple mounting configurations for simplified installation;
3. Supports parallel cylinder mounting to optimize space utilization;
4. Precision-guided piston rod eliminates need for external lubrication;
5. Integrated piston rod locking block prevents rotation during operation;
6. Extensive range of models and specifications for diverse applications;
7. Optional high-temperature seals available for 0-150℃ operating range (Optional).
Category: Adjustable Cylinders | Brand: AirTAC | Series: MKJ Series
AirTAC MKJ Adjustable Cushion Cylinder MKJ25X70-20S Specifications
- Model: MKJ25X70-20S
- Bore size: Ø25mm
- Stroke: 70mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable pneumatic cushion (both ends)
- Thread size: M20×1.5 (rod end)
- Piston rod material: Chrome-plated carbon steel (S45C)
- Tube material: Aluminum alloy (anodized)
- Seal material: NBR (standard)/PU (optional)
- Temperature range: -20℃ to 80℃ (-4℉ to 176℉)
- Mounting type: Basic type (accessory brackets available)
- Weight: 0.78 kg (1.72 lbs)
- Dimensions:
- Length: 173mm (6.81") [retracted]
- Width: 46mm (1.81") [square tube edge]
- Height: 46mm (1.81") [square tube edge]
- Protection rating: IP54 (standard)/IP67 (optional)
- Cushion adjustment range: 5-15mm (both ends)
The MKJ series adjustable cylinder features precision-machined dual cushioning with 270° rotary adjustment screws for smooth stroke-end deceleration control. Its square tube design enables direct sensor mounting and provides enhanced lateral load capacity. The chrome-plated piston rod incorporates anti-rotation guidance for precise linear motion.
- Precision positioning in semiconductor handling equipment
- Clamping mechanisms for CNC fixture systems
- Material transfer in automated assembly lines
- Packaging machine stopper adjustments
- Printing press paper feed mechanisms

Property | Property Value |
---|---|
sku | MKJ25X70-20S |
Adjustable Stroke | <20mm> |
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 | <25 mm> |
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.