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 SEJ50X300-100S Adjustable Stroke Cylinder Technical Details
- Model: SEJ50X300-100S
- Bore size: Ø50mm (1.97")
- Stroke: 300mm ±1.5mm (11.81")
- Adjustment range: 0-100mm stroke reduction
- Operation: Double-acting with mechanical stopper
- Cushioning: Adjustable pneumatic cushion (5-stage)
- Max pressure: 0.9 MPa (130 PSI)
- Port size: Rc1/4 (NPT1/4 optional)
- Piston rod: Hard chrome-plated SCM435 steel
- Tube material: Aluminum alloy (anodized)
- Seal type: NBR + PU combination
- Temperature range: -20℃ to 80℃ (-4°F to 176°F)
- Weight: 3.8kg ±5% (8.38 lbs)
- Dimensions:
- Extended length: 616mm (24.25")
- Retracted length: 316mm (12.44")
- Width: 72mm (2.83")
- Height: 64mm (2.52")
- ISO standard: 15552 (formerly ISO 6431)
Heavy-duty adjustable stroke cylinder with precision mechanical stops, featuring dual-position locking mechanism for mid-stroke positioning. Integrated wear-compensation system maintains accuracy through 5,000km+ service life. Requires ISO VG32 hydraulic oil lubrication for optimal performance.
- Variable position clamping in CNC fixtures
- Adjustable ejector systems in injection molding
- Palletizing robot end-effector positioning
- Printing press roller engagement control
- Automotive welding jig customization

Property | Property Value |
---|---|
sku | SEJ50X300-100S |
Adjustable Stroke | 100mm |
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 | <50mm> |
Stroke | 300mm |
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.