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 SEJ50X20-20 Adjustable Cylinder Specifications
- Model: SEJ50X20-20
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50 mm
- Stroke: 20 mm (adjustable range: 5-20 mm)
- Operating pressure: 0.15–0.8 MPa
- Port size: 1/4" NPT (G1/8 optional)
- Cushioning: Adjustable rubber bumper
- Piston rod material: Chrome-plated carbon steel
- Tube material: Aluminum alloy 6063-T5
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 1.25 kg (excluding accessories)
- Dimensions: 200mm (Total length at min stroke) × 76mm (Max width with mounting brackets) × 76mm (Height)
- Lubrication: ISO VG32 hydraulic oil recommended
Precision-adjustable compact cylinder featuring dual-position stroke control through mechanical stops. The anodized aluminum construction provides corrosion resistance, while the double lip seal ensures minimal leakage. Includes magnetic piston for position sensing compatibility (sensor not included).
- Precision clamping fixtures in CNC machining centers
- Conveyor gate positioning systems
- Packaging machine stroke adjustment mechanisms
- Automated assembly line stop positioning
- Semiconductor handling equipment


Property | Property Value |
---|---|
sku | SEJ50X20-20 |
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 | PT1/4 |
Magnet | Non-magnetic |
Bore Diameter | <50mm> |
Stroke | <20mm> |
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.