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 SEJ50X300-50S Adjustable Stroke Cylinder Technical Details
- Model: SEJ50X300-50S
- Bore size: 50mm
- Stroke: 300mm (adjustable via mechanical stopper)
- Stroke adjustment range: ±5mm from nominal position
- Operating pressure: 0.05–0.8 MPa
- Temperature range: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Cushioning type: Adjustable elastic buffer
- Port size: M5x0.8 (standard) / G1/8 (optional)
- Mounting style: Basic type (multiple mounting accessories available)
- Rod end type: Female thread M12x1.25
- Material: Aluminum alloy barrel, hardened chrome-plated piston rod
- Seal material: NBR (standard) / PU (optional)
- Weight: 5.8kg (excluding accessories)
- Dimensions: 410mm(L) × 58mm(W) × 58mm(H) (at full extension)
- ISO certification: 6431/VDMA 24562 standards
High-precision adjustable stroke cylinder featuring dual-position locking mechanism for fine stroke calibration. The anodized barrel surface provides enhanced corrosion resistance, while the chrome-plated piston rod ensures smooth operation in high-cycle applications. Integrated shock absorption system minimizes end-impact noise below 75dB.
- Precision workpiece positioning in CNC automation lines
- Variable height adjustment systems in packaging machinery
- Clamping force control for injection molding dies
- Material feeding mechanisms with position-sensitive requirements
- Automotive assembly line tooling positioners

Property | Property Value |
---|---|
sku | SEJ50X300-50S |
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 | PT1/4 |
Magnet | S-Magnetic |
Bore Diameter | <50mm> |
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.