Airtac SEJ Adjustable Cylinder SEJ63BX250-50S
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 SEJ63BX250-50S Adjustable Stroke Cylinder Specifications
- Model: SEJ63BX250-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø63mm (±0.1mm tolerance)
- Stroke: 250mm (adjustable from 0-250mm)
- Operating pressure: 0.05-1.0 MPa
- Port size: G1/8 (ISO228/1 standard)
- Cushioning: Adjustable rubber bumper (both ends)
- Mounting: ISO15552 standard (axial 4xM6 tapped holes)
- Rod material: Chrome-plated steel (HRA≥78)
- Tube material: Anodized aluminum alloy
- Seal type: NBR/PU composite seals
- Temperature range: -20℃ to 80℃
- Weight: 4.2kg (excluding accessories)
- Dimensions: 350mm(L) × 82mm(W) × 82mm(H)
- Piston rod thread: M16×1.5 (external)
- Max thrust: 3120N @0.63MPa
- Lubrication: Pre-lubricated (recommended relube interval: 1000km)
Precision-adjustable industrial cylinder featuring patented mechanical stroke adjustment mechanism with ±0.5mm repeatability. Integrated magnetic piston enables position feedback compatibility. Corrosion-resistant construction with IP54 protection rating ensures reliable operation in harsh environments. Requires 40μm filtered air with ISO8573-1:2010 Class 3.4.3 air quality.
- Variable height positioning in packaging machinery
- Pressure-controlled clamping in automotive assembly
- Adjustable press mechanisms in PCB manufacturing
- Material handling systems with variable stroke requirements
- Precision glass cutting equipment
Operation note:
Always lock adjustment screws with 1.2-1.5N·m torque after stroke setting.
For vertical installations, use anti-vibration brackets (AVB-63 optional accessory).
- Max lateral load: 150N at rod end
- Cycle rate: ≤300 cycles/min (with cushioning engaged)
- Break-in period: 500 cycles at 0.3MPa before full load operation
| Property | Property Value |
|---|---|
| sku | SEJ63BX250-50S |
| 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 | PT3/8 |
| Magnet | S-Magnetic |
| Bore Diameter | 63mm |
| Stroke | <250MM> → <250mm> |
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.