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 SEJ50X75-20FTC Technical Specifications
- Model: SEJ50X75-20FTC
- Bore size: Ø50mm
- Stroke: 75mm (adjustable)
- Operating pressure: 0.05-1.0 MPa
- Cushioning type: External adjustable rubber bumper
- Mounting style: Standard FC type (front flange with integrated mounting threads)
- Port size: Rc1/4 (G1/4 optional)
- Operating temperature: -10℃ to 80℃
- Piston material: High-grade aluminum alloy (anodized)
- Rod material: Chrome-plated steel (Cr-Mo alloy)
- Seal type: NBR + PU combination seals
- Weight: 2.5kg ±5%
- Dimensions:
- Extended length: 206mm
- Retracted length: 131mm
- Body width: 70mm
- Mounting height: 50mm
- ISO standard: 6432 compliant
Precision-engineered adjustable stroke cylinder featuring dual-axis mounting capability and corrosion-resistant construction. The SEJ series incorporates a unique buffer adjustment mechanism with ±3° angle compensation, ideal for high-cycle applications requiring controlled deceleration. Includes built-in magnet for position sensing compatibility.
- Precision positioning in CNC tool changers
- Variable pressure clamping systems
- Printing press paper feed mechanisms
- Automated packaging line actuators
- Plastic injection molding ejectors
| Property | Property Value |
|---|---|
| sku | SEJ50X75-20FTC |
| Adjustable Stroke | <20mm> |
| 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 | <50mm> |
| 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.







