Airtac SEJ Adjustable Cylinder SEJ80X300-50S
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 SEJ80X300-50S Adjustable Cylinder Specifications
- Model: SEJ80X300-50S
- Type: Double-acting adjustable cushion cylinder
- Bore size: 80mm (ISO standard)
- Stroke: 300mm (adjustable ±2mm)
- Operating pressure: 0.05–1.0 MPa
- Port size: Rc1/4 (G1/4 optional)
- Cushion type: Adjustable rubber buffers (both ends)
- Rod material: Hard chrome-plated steel
- Tube material: Aluminum alloy with oxidation treatment
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Protection rating: IP54 (standard)
- Weight: 5.8kg ±2%
- Dimensions:
- Extended length: 570mm
- Retracted length: 270mm
- Body diameter: 80mm
- Mounting base: 125mm × 50mm
High-precision industrial cylinder featuring dual adjustable cushioning system with ±2mm stroke adjustment capability. The triple-sealed structure with wear-resistant guide bands ensures smooth operation under 2 million cycle rating. Compatible with magnetic sensors (sensor groove: 8mm width).
- Precision press machines requiring controlled deceleration
- Automated assembly line positioning systems
- Die-casting equipment ejection mechanisms
- Packaging machinery with variable stroke requirements
- Material handling systems with shock-sensitive loads
Installation note:
Requires 0.5Nm torque for cushion adjustment screws. Lubricate with ISO VG32 hydraulic oil.
For vertical mounting, use auxiliary support brackets (ASF-80 recommended).
Minimum 20μm filtration required for compressed air.
| Property | Property Value |
|---|---|
| sku | SEJ80X300-50S |
| Adjustable Stroke | <50mm> |
| 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 | S-Magnetic |
| Bore Diameter | 80 mm |
| Stroke | 300mm |
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.