Airtac SEJ Adjustable Cylinder SEJ63X125-20S
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 SEJ63X125-20S Adjustable Stroke Cylinder Specifications
- Model: SEJ63X125-20S
- Series: SEJ (Adjustable Stroke Series)
- Bore diameter: 63 mm
- Stroke length: 125 mm (adjustable)
- Operation type: Double acting
- Working pressure: 0.05-1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushion type: Double adjustable rubber cushion
- Mounting style: Basic type (optional accessory brackets available)
- Port size: M5x0.8 (standard) / NPT1/8 (optional)
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Stainless steel (SUS304)
- Seal type: NBR (Nitrile rubber) seals
- Weight: 2.85 kg ±2%
- Dimensions:
- Extended length: 298 mm
- Retracted length: 173 mm
- Body diameter: 80 mm
- Rod end thread: M16x1.5
- ISO standard: Compatible with ISO 15552
- Protection rating: IP54 (standard)/IP67 (with optional wiper)
Precision-engineered adjustable stroke cylinder featuring a unique mechanical locking mechanism for stroke adjustment. The SEJ63X125-20S combines high rigidity with position repeatability (±0.5mm). Its double-layer chrome-plated rod and impact-resistant end caps ensure durability in harsh environments. Includes magnetic piston for sensor compatibility.
- Variable position clamping fixtures
- Packaging line product height adjustment
- Automated welding positioners
- Textile machinery tension control
- 3D printing bed leveling systems
- Semiconductor handling robots
Installation note:
For optimal performance, maintain 0.3-1.0 MPa lubrication pressure when using automatic lubricators.
Adjust stroke while cylinder is depressurized using the hexagonal lock nut (8mm wrench size required).
Avoid lateral loads exceeding 30N on piston rod.
| Property | Property Value |
|---|---|
| sku | SEJ63X125-20S |
| 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 | PT3/8 |
| Magnet | S-Magnetic |
| Bore Diameter | 63mm |
| Stroke | 125mm |
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.