Airtac SEJ Adjustable Cylinder SEJ40X80-50SN
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 SEJ Adjustable Cylinder SEJ40X80-50SN Technical Specifications
- Model: SEJ40X80-50SN
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 80mm (±1.5mm adjustment range)
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable elastic buffer (both ends)
- Mounting style: Double pivot bracket (ISO 15552 standard)
- Port size: M5x0.8 (G1/8 optional)
- Operating temperature: -20℃ to 80℃
- Rod material: Chrome-plated steel (HRA≥78)
- Tube material: Aluminum alloy (anodized surface)
- Seal material: NBR (nitrile rubber)
- Weight: 1.52kg (excluding accessories)
- Dimensions: 178mm(L) × 48mm(W) × 48mm(H)
- Protection rating: IP54 (standard wiper design)
- Piston speed: 50–800mm/s (lubricated condition)
Precision-engineered adjustable cylinder featuring micro-stroke tuning capability (±1.5mm) through its unique buffer screw mechanism. The double pivot mounting allows 360° rotation flexibility, while the hard chrome rod with integrated scraper prevents particulate ingress. Includes magnetic piston for sensor compatibility.
- Precision positioning in semiconductor handling robots
- Variable clamping force adjustment in CNC fixtures
- Packaging line product ejection systems
- Automated assembly with space-constrained actuation
- Printing machinery paper feed mechanisms
Installation tip:
Apply thread lock (medium strength) to buffer adjustment screws after final calibration.
Maintain 0.5–1mm rod end clearance during mounting to prevent side load stress.
| Property | Property Value |
|---|---|
| sku | SEJ40X80-50SN |
| Adjustable Stroke | <50mm> |
| Seal Material | NBR |
| 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 | <40mm> |
| 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.