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 SEJ80X300-100 Technical Specifications
- Model: SEJ80X300-100
- Type: Double-acting adjustable stroke cylinder with cushioning
- Bore size: Ø80 mm
- Stroke: 300 mm (adjustable)
- Rod diameter: Ø20 mm
- Operating pressure: 0.1-0.9 MPa
- Port size: G1/2 (ISO228/1 standard)
- Cushioning type: Adjustable rubber buffer (both ends)
- Mounting style: Standard MF1 flange with through-hole pattern
- Material: Aluminum alloy barrel, chromium-plated steel rod
- Seal material: NBR (nitrile) seals with wear-resistant rings
- Temperature range: -20℃ to +80℃
- Weight: 3.5 kg (excluding accessories)
- Dimensions: 480mm(L) × 110mm(W) × 110mm(H)
- Rod thread: M16×1.5 external thread
- Max theoretical force: 4520N @0.63MPa (push/pull)
- Piston speed: 50-800 mm/s (cushioned)
- ISO standard: 15552 (formerly ISO6431)
High-precision industrial cylinder featuring patented cushioning adjustment mechanism for smooth end-of-stroke deceleration. The anodized aluminum construction provides corrosion resistance in humid environments, while the double lip seals ensure minimal internal leakage (<0.5 mL/min). Includes built-in magnetic field for position sensing compatibility.
- Precision press-fit operations in automotive assembly
- Variable height positioning in CNC material handling
- Packaging line product ejection systems
- Plastic injection molding machine core pulls
- Adjustable clamping fixtures for CNC machining


Property | Property Value |
---|---|
sku | SEJ80X300-100 |
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 | PT3/8 |
Magnet | Non-magnetic |
Bore Diameter | 80 mm |
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.