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 SEJ40X150-50 Technical Details
- Model: SEJ40X150-50
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 150mm (nominal), adjustable range ±50mm
- Adjustment mechanism: External threaded stopper with locknut
- Operating pressure: 0.05-1.0 MPa
- Port size: 1/4" NPT (M5 optional)
- Mounting style: Basic type (no built-in mounting)
- Cushioning: Rubber buffer at both ends
- Temperature range: -10℃ to 80℃
- Seal material: NBR (Nitrile rubber)
- Weight: 2.8kg (including accessories)
- Dimensions:
- Extended length: 315mm (stroke end)
- Body diameter: 40mm
- Rod diameter: 12mm
- Mounting bracket width: 35mm
High-precision adjustable stroke cylinder featuring tool-free stroke adjustment through rotating external stoppers. The anodized aluminum construction provides corrosion resistance while maintaining lightweight operation. Includes wear-resistant guide bushings and chromium-plated piston rod for extended service life. Requires ISO 8573-1:2010 Class 3-4-3 compressed air quality.
- Packaging line positioning gates with variable product sizes
- Automated assembly machines requiring stroke fine-tuning
- Printing press paper feed mechanisms
- Semiconductor handling equipment with Z-axis adjustment
- Test bench clamping fixtures with variable heights
| Property | Property Value |
|---|---|
| sku | SEJ40X150-50 |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 150mm |
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.







