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 SEJ80X50-20 Adjustable Cylinder Technical Specifications
- Model: SEJ80X50-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø80mm
- Stroke: 50mm (adjustable)
- Mounting style: MA-type (front flange)
- Operating pressure: 0.05-1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable elastic cushion (both ends)
- Port size: G1/2
- Piston rod thread: M20×1.5
- Weight: 3.8 kg ±2%
- Dimensions: 240mm(L) × 100mm(W) × 100mm(H) (retracted position)
- Rod material: Chrome-plated carbon steel
- Tube material: Aluminum alloy with hard anodization
- Seal material: NBR/PU combination
- Protection rating: IP54 (standard)
Heavy-duty adjustable stroke cylinder featuring precision-machined internal stops for position customization. The dual-cushion design with locknut adjustment enables smooth deceleration across 20-100% stroke range. Corrosion-resistant construction with integrated mounting grooves supports multi-axis configurations.
- Variable height positioning in assembly jigs
- Pressure-sensitive material handling systems
- Packaging line product ejection control
- Automated welding fixture adjustments
- Printing machinery tension regulation

Property | Property Value |
---|---|
sku | SEJ80X50-20 |
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 | PT3/8 |
Magnet | Non-magnetic |
Bore Diameter | 80 mm |
Stroke | <50mm> |
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.