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 MKJ20X70-30S Specifications
- Model: MKJ20X70-30S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 20mm
- Stroke: 70mm (adjustable via stopper)
- Operating pressure: 0.15–0.8 MPa
- Cushioning: Adjustable pneumatic cushion at both ends
- Mounting type: Standard foot mounting (MF1) with adjustable stopper
- Port size: 1/8" NPT (M5 optional)
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 0.82kg ±5%
- Dimensions (L×W×H):
- Total length (retracted): 131mm
- Stroke length: 70mm
- Foot mounting base: 40mm × 20mm
- Piston rod thread: M10×1.25
A precision-engineered adjustable stroke cylinder featuring micrometer-style stroke adjustment (±1mm accuracy) through rotating stopper bolts. The dual-cushion design minimizes end-impact noise while maintaining positioning repeatability of ±0.5mm. Integrated mounting slots allow tool-free installation alignment.
- Precision clamping fixtures in CNC machining centers
- Variable height positioning in conveyor systems
- Injection molding ejector mechanisms
- Semiconductor wafer handling robots
- Pharmaceutical blister packaging machines

Property | Property Value |
---|---|
sku | MKJ20X70-30S |
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 | 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.