Airtac SEJ Adjustable Cylinder SEJ50X250-50S
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 SEJ Series Adjustable Cylinder SEJ50X250-50S Technical Specifications
- Model: SEJ50X250-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø50 mm
- Stroke: 250 mm (adjustable via external stopper)
- Mounting style: Square base with front flange (ISO 15552 standard)
- Operating pressure: 0.05-1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion at both ends
- Port size: G1/8 (ISO 228-1 standard)
- Piston rod thread: M16×1.5
- Material:
- Tube: Aluminum alloy (hard anodized)
- Piston rod: Chrome-plated steel
- Seals: NBR (standard), optional FKM
- Weight: 3.2 kg ±5%
- Dimensions:
- Total length (L): 382 mm (min) / 632 mm (max)
- Width (W): 72 mm (mounting base)
- Height (H): 50 mm (body diameter)
- Mounting hole spacing: 50×50 mm
Precision-engineered adjustable stroke cylinder featuring dual cushion control and position locking capability. The SEJ50X250-50S incorporates a wear-resistant design with IP54 protection rating, making it suitable for dusty environments. Includes magnetic piston for position sensing compatibility (sensor not included). Requires ISO VG32 or equivalent hydraulic oil lubrication.
- Variable height positioning in automated assembly lines
- Clamping force adjustment in CNC fixture systems
- Packaging machine stroke customization
- Material handling equipment with variable reach
- Automotive welding jig positioning
Installation guidelines:
Ensure proper alignment of guide rods during assembly. Maximum side load capacity: 150N.
For stroke adjustment, always depressurize system before rotating the external stopper.
Recommended maintenance interval: 2,000 km of cumulative travel or annually.
| Property | Property Value |
|---|---|
| sku | SEJ50X250-50S |
| 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 | <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.