Airtac SEJ Adjustable Cylinder SEJ50BX80-75S
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 SEJ50BX80-75S Adjustable Cylinder Specifications
- Model: SEJ50BX80-75S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50 mm
- Stroke: 80 mm (adjustable)
- Rod diameter: Ø20 mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable elastic cushion (both ends)
- Mounting style: Basic type (optional foot/mounting bracket)
- Port size: G1/8 (NPT1/8 optional)
- Operating temperature: -10℃ to 80℃
- Seal material: NBR (Nitrile rubber)
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Chrome-plated steel
- Weight: 2.8 kg (with standard accessories)
- Dimensions:
- Extended length: 228 mm
- Retracted length: 148 mm
- Body width: 76 mm
- Mounting height: 50 mm
Precision-engineered adjustable stroke cylinder featuring twin guide rods for enhanced lateral load capacity. The dual-scale stroke adjustment mechanism allows ±3mm fine-tuning without disassembly. Includes built-in magnetic sensor slots (inductive sensor not included) for position feedback. Lubricator-free design with self-lubricating bushings.
- Precision press-fit operations in electronics assembly
- Variable height workholding fixtures
- Packaging machine product ejection systems
- Automated welding positioners
- Textile machinery tension control
Installation tip:
Maintain 0.5-1mm clearance between adjustment nuts during stroke setting.
For vertical installations exceeding 45° angle, use optional locknut (ANJ-50)
to prevent unintended stroke changes under vibration.
| Property | Property Value |
|---|---|
| sku | SEJ50BX80-75S |
| Adjustable Stroke | 75mm |
| 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.