Airtac SEJ Adjustable Cylinder SEJ80X30-20S
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 SEJ80X30-20S Adjustable Stroke Cylinder Specifications
- Model: SEJ80X30-20S
- Type: Double-acting adjustable stroke cylinder
- Bore size: Ø80mm
- Stroke: 30mm (adjustable)
- Rod diameter: Ø20mm
- Port size: G1/8 (NPT1/8 optional)
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Seal material: NBR + Polyurethane
- Cushioning: Adjustable air cushion
- Mounting style: Foot-mounted (ISO 15552 standard)
- Rod end thread: M10×1.25
- Weight: 3.5 kg ±2%
- Dimensions: 200mm(L) × 80mm(W) × 80mm(H) (minimum retracted length)
Precision-engineered adjustable stroke cylinder with dual-position locking mechanism for mid-stroke positioning. Features corrosion-resistant aluminum alloy construction with chrome-plated piston rod. Integrated cushion adjustment screws allow fine-tuning of end-position deceleration. Includes built-in magnet for position sensing compatibility.
- Precision workpiece clamping in CNC fixtures
- Variable height positioning in assembly lines
- Material handling systems requiring intermediate stops
- Packaging machinery with adjustable compression force
- Automated door stroke limitation in cleanrooms
Installation note:
Maintain 0.5mm minimum clearance between rod end and load during alignment.
Lubricate with ISO VG32 hydraulic oil before initial operation. Stroke adjustment
should be performed at ≤0.3 MPa air pressure.
| Property | Property Value |
|---|---|
| sku | SEJ80X30-20S |
| 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 | PT3/8 |
| Magnet | S-Magnetic |
| Bore Diameter | 80 mm |
| Stroke | 30mm |
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.