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 Series Adjustable Cylinder SEJ50X220-20S Technical Specifications
- Model: SEJ50X220-20S
- Type: Double-acting adjustable stroke cylinder with double-rod
- Bore size: Ø50 mm (±0.1mm tolerance)
- Stroke: 220 mm (adjustable range: 0-220mm)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable pneumatic cushioning at both ends
- Mounting style: Basic type (optional foot/method accessories)
- Port size: Rc1/4 (G1/4 optional)
- Temperature range: -20℃ to 80℃
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Protection rating: IP54 (standard seals)
- Weight: 3.8 kg ±2%
- Dimensions: 300mm(L) × 76mm(W) × 76mm(H) (fully retracted)
- Rod diameter: Ø16mm (both ends)
- Maximum theoretical force: 1960N at 0.5MPa
- Piston speed: 50-750 mm/s
Precision-engineered adjustable stroke cylinder featuring dual cushion control and position-locking capability. The double-rod design enables symmetrical force distribution and position feedback applications. Anodized barrel resists corrosion in humid environments, while the chrome-plated rods withstand 10,000km+ travel life.
- Variable stroke press mechanisms in assembly lines
- Adjustable clamping systems for CNC fixtures
- Synchronized lifting platforms requiring position matching
- Packaging machinery with product size variations
- Automated welding positioners with Z-axis adjustment

Property | Property Value |
---|---|
sku | SEJ50X220-20S |
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 | PT1/4 |
Magnet | S-Magnetic |
Bore Diameter | <50mm> |
Stroke | 220mm |
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.