Airtac SEJ Adjustable Cylinder SEJ40X320-30S
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 SEJ40X320-30S Adjustable Cylinder Specifications
- Model: SEJ40X320-30S
- Bore size: 40mm
- Stroke length: 320mm (adjustable)
- Operating pressure: 0.15–0.8 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Mounting style: Fixed (MF1 series compatible)
- Rod thread: M12×1.75 (30S suffix indicates special thread type)
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Seal material: NBR (nitrile rubber)
- Port size: Rc1/4 (ISO G1/4 optional)
- Max speed: 500mm/s (with cushioning)
- Lubrication: Pre-lubricated (oil-free operation possible)
- Weight: 2.5kg ±5%
- Dimensions: 430mm(L) × 54mm(W) × 54mm(H)
High-precision adjustable stroke cylinder with dual-side position sensing slots (ISO 15552 standard). Features anti-rotation mechanism and wear-resistant guide bushings. The 30S variant includes corrosion-resistant plating for humid environments. Requires 5μm filtered air (ISO 8573-1 class 4).
- Variable height work platforms in assembly lines
- Press-fit operations in electronic component manufacturing
- Adjustable clamping fixtures for CNC machining
- Material handling systems requiring stroke modification
- Packaging machine ejection mechanisms
Installation tip:
Mount with 0.05mm maximum misalignment tolerance. For vertical installations,
use rod-down position to prevent seal wear. Re-lubricate every 500km of stroke
movement in continuous operation.
| Property | Property Value |
|---|---|
| sku | SEJ40X320-30S |
| Adjustable Stroke | 30mm |
| 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 | <40mm> |
| Stroke | 320 mm |
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.