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 SEJ40X50-40 Technical Specifications
- Model Code: SEJ40X50-40
- Type: ISO 6432 standard adjustable pneumatic cylinder
- Bore Size: 40mm (1-9/16")
- Stroke: 50mm ±0.5mm (adjustable)
- Operating Pressure: 0.05-1.0 MPa (7-145 PSI)
- Temperature Range: -20℃ to 80℃ (NBR seals)
- Cushioning: External adjustable rubber bumper
- Mounting Style: MF1 front flange (ISO 15552 compatible)
- Port Size: G1/8 (NPT1/8 optional)
- Piston Rod Thread: M12x1.75 (ISO 13339 compliant)
- Material:
- Tube: Aluminum alloy hard anodized
- Rod: Chrome-plated carbon steel
- Seals: Nitrile butadiene rubber (NBR)
- Weight: 1.2kg (with standard accessories)
- Dimensions:
- Extended Length: 153mm
- Retracted Length: 103mm
- Mounting Flange Width: 60mm
- Rod End Height: 25mm
Precision-engineered adjustable stroke cylinder featuring dual-position locking mechanism for mid-stroke positioning. The hardened aluminum construction ensures corrosion resistance in humid environments (IP64 equivalent). Integrated cushion adjustment screws allow fine-tuning of end-position damping from 10% to 100% stroke capacity.
- Precision clamping in CNC fixture systems
- Variable height adjustment for conveyor stops
- Printing press paper feed mechanisms
- Automated packaging line product positioning
- Semiconductor wafer handling equipment
| Property | Property Value |
|---|---|
| sku | SEJ40X50-40 |
| Adjustable Stroke | <40mm> |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | <50mm> |
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.







