2. Asymmetric bidirectional piston seal structure with compact dimensions and integrated oil reservoir function;
3. Rodless square aluminum tubing construction enhances corrosion resistance;
4. Adjustable cushioning mechanism ensures smooth stroke modulation;
5. Customizable configurations with multiple cylinder variants and mounting accessories;
6. High-temperature resistant sealing materials enable operational range of 0-150°C.
Category: Adjustable Cylinders | Brand: AirTAC | Series: SEJ
AirTAC SEJ50X80-20S Adjustable Cylinder Specifications
- Model: SEJ50X80-20S
- Type: Adjustable stroke double-acting cylinder
- Bore size: 50mm
- Stroke: 80mm (adjustable)
- Operating pressure: 0.05–1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable elastic cushion (both ends)
- Mounting style: Standard SW/TR series base mount
- Port size: M5×0.8 (Rc1/8/NPT1/8 optional)
- Piston rod thread: M12×1.25
- Material: Aluminum alloy cylinder tube, CRCCA piston rod
- Seal material: NBR (nitrile rubber)
- Weight: 2.45kg ±3%
- Dimensions (L×W×H): 200mm × 56mm × 56mm (full extension)
- Stroke adjustment range: 10–80mm (via external stopper)
- Max theoretical force: 196N @0.5MPa
- Speed range: 50–700mm/s
Precision-engineered adjustable stroke cylinder featuring a dual-position locking mechanism for mid-stroke positioning. Equipped with corrosion-resistant anodized surfaces and magnetic piston for sensor compatibility. Includes rotation-resistant piston rod and wear-resistant guide bands for angular load applications.
- Variable clamping force fixtures in CNC machining
- Adjustable height positioning in conveyor systems
- Precision material feeding mechanisms
- Automated packaging equipment with stroke customization
- Semiconductor handling robots
| Property | Property Value |
|---|---|
| sku | SEJ50X80-20S |
| Adjustable Stroke | <20mm> |
| Seal Material | Polyurethane |
| 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:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT1/4 |
| Magnet | S-Magnetic |
| Bore Diameter | <50mm> |
| Stroke | 80 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.







