Airtac SEJ Adjustable Cylinder SEJ50X350-20S
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 SEJ50X350-20S Adjustable Cylinder Specifications
- Model: SEJ50X350-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 50mm (ISO 6432 standard)
- Stroke: 350mm (adjustable via mechanical stopper)
- Operating pressure: 0.1-0.9 MPa
- Cushioning: Adjustable air cushion at both ends
- Temperature range: -20℃ to 80℃
- Port size: G1/8 (ISO 228-1)
- Mounting: Front flange (MF1) with integrated mounting accessories
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Seal type: NBR seals with wear-resistant ring
- Weight: ~4.8kg (excluding mounting accessories)
- Dimensions: 550mm(L) × 80mm(W) × 80mm(H) (full extension)
- Rod diameter: 20mm (ISO 6432 standard)
- Maximum speed: 0.1-1.5 m/s
- Protection class: IP54 (standard wiper design)
High-precision adjustable stroke cylinder with enhanced side load capacity, featuring dual-position locking mechanism for mid-stroke positioning. The built-in magnetic ring (D-M9 type) enables position feedback when paired with sensors. Optimized cushioning adjustment knobs allow 270° rotation for precise deceleration control.
- Variable height work platforms in assembly lines
- Material handling with position-specific gripping
- Press-fit operations requiring multiple stop points
- Packaging machinery with adjustable product spacing
- Automated welding jigs with programmable positions
Installation note:
Align cylinder axis within ±0.5° angular misalignment tolerance.
Lubricate with ISO VG32 hydraulic oil if operating below 0.3 m/s.
Use M6 mounting screws (grade 8.8 or higher) with 25-30 N·m torque.
| Property | Property Value |
|---|---|
| sku | SEJ50X350-20S |
| 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 | 350mm |
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.