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 Adjustable Cylinder SEJ40X75-50S Technical Specifications
- Model: SEJ40X75-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke: 75mm (adjustable range: 25-75mm)
- Mounting style: Standard foot & front flange (ISO 15552 compliant)
- Adjustment mechanism: External stroke adjustment screw with locknut
- Operating pressure: 0.05-1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Air cushion with adjustable shock absorber
- Port size: G1/8 (NPT1/8 optional)
- Seal material: HNBR (Hydrogenated Nitrile) for high wear resistance
- Piston rod material: Chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Weight: 1.45kg ±3%
- Dimensions (L×W×H): 75mm(stroke extended) × 40mm × 40mm
- Rod end thread: M10×1.25
Precision-adjustable pneumatic cylinder featuring dual-position stroke control through external mechanical stops. The corrosion-resistant construction and multi-layer sealing system ensure reliable performance in humid environments. Includes magnetic piston for position sensing compatibility (sensor not included). Requires 5μm filtered air with ISO 8573-1:2010 Class 3.4.2 air quality.
- Variable height positioning in packaging line diverters
- Press-fit operations with controlled insertion depth
- Semiconductor handling equipment requiring precise stroke adjustment
- Automated door mechanisms with space-constrained stroke requirements
- Textile machinery tension control systems
| Property | Property Value |
|---|---|
| sku | SEJ40X75-50S |
| 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 | <40mm> |
| Stroke | 75mm |
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.







