Airtac MKJ Adjustable Cylinder MKJ20X40-20
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 Stroke Cylinder MKJ20X40-20 Technical Details
- Model: MKJ20X40-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: 20mm
- Stroke: 40mm (adjustable through external stopper)
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -10℃ to 70℃
- Port size: M5x0.8 (standard) / NPT1/8 (optional)
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (front flange/ rear clevis optional)
- Material:
- Tube: Aluminum alloy hard oxidation
- Piston rod: SUS304 stainless steel
- Seals: NBR (standard) / PU (optional)
- Weight: 0.68kg (with rod) / 0.54kg (body only)
- Dimensions:
- Extended length: 148mm
- Retracted length: 108mm
- Body width: 34mm
- Mounting hole spacing: 25mm (vertical) × 20mm (horizontal)
- Repeat positioning accuracy: ±0.5mm
- Max piston speed: 500mm/s
- Protection rating: IP54 (standard)
Precision-engineered adjustable stroke cylinder featuring a unique mechanical stopper system with ±5mm fine-tuning capability. The dual chrome-plated guide rods ensure stable linear motion and anti-rotation performance. Optimized air cushion design reduces end-impact noise to <75dB. Compatible with magnetic sensors (D-M9N series recommended) for position feedback.
- PCB board clamping mechanisms
- Pharmaceutical capsule filling machines
- Robotic end-effector tool changers
- Textile machinery thread tension control
- Automated welding fixture positioning
Installation tips:
Use locknuts (not included) on adjustment screws after stroke setting.
Lubricate with ISO VG32 turbine oil if operating below 0℃. Avoid side
load exceeding 15N during alignment. For vertical mounting,
install with piston rod facing downward.
| Property | Property Value |
|---|---|
| sku | MKJ20X40-20 |
| 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 | Non-magnetic |
| Cushion Type | Bumper Pad |
| Bore Diameter | <20mm> |
| Stroke | <40mm> |
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.