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 SEJ40X150-50S Adjustable Cylinder Specifications
- Model: SEJ40X150-50S
- Type: Double-acting adjustable stroke cylinder
- Bore size: 40mm
- Stroke length: 150mm (adjustable)
- Rod diameter: 12mm
- Operating pressure: 0.1-0.9 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable rubber bumper (both ends)
- Mounting type: Standard switch bracket (50S designation)
- Port size: M5x0.8 (Rc1/8 optional)
- Weight: 1.65kg ±2% (without accessories)
- Dimensions:
- Extended length: 272mm
- Retracted length: 122mm
- Body width: 53mm
- Height with rod: 78mm
- Material:
- Tube: Aluminum alloy (hard anodized)
- Piston rod: Chrome-plated steel
- Seals: NBR (nitrile rubber)
Precision-adjustable pneumatic cylinder featuring dual-position stroke control via mechanical stoppers. The SEJ series combines 360° adjustable magnetic ring placement with corrosion-resistant construction, optimized for repetitive positioning tasks requiring millimeter-level accuracy. Includes built-in magnet for sensor compatibility.
- Precision clamping fixtures in CNC machining
- Variable stroke material feeding systems
- Packaging machine pusher mechanisms
- Automated assembly position limiters
- Printing press roller engagement systems
| Property | Property Value |
|---|---|
| sku | SEJ40X150-50S |
| 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 | 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.







